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How to fix “self-assigned IP address” issue on Mac

Ava

Key Takeaways

  • The self-assigned IP address error occurs when your Mac assigns itself an IP address instead of getting one from the router.
  • This usually happens due to network configuration issues, DHCP server problems, glitches in the firewall settings, unstable Wi-Fi connection, etc.
  • To fix the “self-assigned IP address” error on your Mac, renew DHCP lease, restart your network devices , rejoin your Wi-Fi , or check your network settings .

Is your MacBook struggling to access the internet, though your Wi-Fi or Ethernet works fine? This can be due to the self-assigned IP address error on your Mac. Worry not!

Here, I’ll share how to fix the internet not working due to a self-assigned IP address error on your Mac to regain a stable network connection. But before we jump into the troubleshooting steps, let’s understand what a self-assigned IP error is.

What does “self-assigned IP address” mean on Mac? 

The “self-assigned IP address” error on Mac refers to a situation where your device assigns an IP address and sets up an ad-hoc network instead of obtaining one from the network router or DHCP (Dynamic Host Configuration Protocol) server.

This self-assigned IP address is not legitimate or acknowledged on the network. That’s why your Mac cannot connect to the internet or other devices on the network, resulting in limited or no network connectivity.

This issue occurs due to several reasons such as:

  • Network configuration conflicts
  • DHCP server unavailability
  • Problems with Mac’s network
  • Unstable Wi-Fi connection
  • Wrong Firewall settings
  • Outdated macOS

But you can fix the issue with a few simple methods. Let’s learn them!

How to fix “self-assigned IP address” error on Mac

There are 12 ways to fix the problem, from simple checks to more advanced changes. It would help if you tried them in the order provided.

1. Check your connection

Before diving into Mac-specific settings, ensure that your router is functioning correctly and located near your Mac to obtain a valid IP address. Besides, if you are using an Ethernet connection, plug in the cable snugly.  

I also check to validate that the cable has no fault and is in good condition. Moreover, If you are using an old Wi-Fi router, discard it and get a new one to obtain a smoother connection.

2. Reboot your network devices

Restarting both your modem and router can often resolve temporary network glitches. Power off the devices, unplug the cables, and wait a few seconds. It will help them cool down, as excessive heat can cause malfunctions.

After that, plug all cables, connect them to the power outlet, and turn them back on. In the meantime, restart your Mac once to iron out any bugs in macOS.   

  • Click the Apple logo .

Just click the Apple logo → choose Restart on your Mac

3. Renew DHCP Lease on macOS

This method is effective when the assigned IP address may have expired or encountered conflicts. When you renew the DHCP Lease, your Mac requests a new IP address from the DHCP server. It ensures a valid configuration and resolves connectivity issues.  

  • Open the same TCP/IP tab window from Wi-Fi Details, as shown above. 

click tcp/ip, select renew dhcp lease in wi-fi settings

After renewing the lease, check if you can connect to your network. If that doesn’t help, try creating a New Network Location and renewing the lease.

4. Rejoin your Wi-Fi network

Sometimes, simply forgetting and rejoining your Wi-Fi network can solve the self-assigned IP address error on your Mac.   

Click Apple logo, System Settings

  • Turn off Wi-Fi for a few seconds and toggle it on.

click connect in wi-fi on mac

5. Check your connection settings

Verify that your Mac’s network settings are configured correctly. You must opt for the appropriate network settings to obtain IP addresses and DNS information automatically. 

  • Go to your Wi-Fi Details .  I have shown the steps above.  
  • Select TCP/IP from the left panel. 

click tcp/ip, select using dhcp in configure ipv4, select automatic in configure ipv6 in wi-fi settings

You may also try turning off the IPv6, as some users reported it conflicted with the IP address assigning procedure.

  • Click on the drop-down arrow beside Configure IPv6 . 

select dropdown beside configure ipv6, click link local only in wi-fi settings

6. Reset your Network Preferences on Mac 

Resetting the network preferences can help eliminate IP address misconfiguration, causing the internet to not work. So, you must delete specific network connectivity-related files from your MacBook.

  • Launch  Finder .

Go to Folder to clear cache

  • Enter your Mac password to authenticate the deletion.
  • Restart your Mac. It will automatically recreate the deleted files.
  • Log in and connect to your Wi-Fi network.
  • Go to the  TCP/IP  setting again and check the router files.

7. Create a new network location

Creating a new network location lets your Mac start fresh with network settings and eliminate a self-assigned IP address.  

  • Click the  Apple logo →  System Settings .

Click the three-dots icon

  • Wait for a few seconds until your Mac connects to your Wi-Fi.

Repeat the steps of renewing the DHCP lease on your Mac, and then try connecting to your network.

When you try to perform configuration changes to the system, your Mac’s firewall experiences configuration issues. Let’s fix this problem by resetting the Firewall.

8. Reset the Firewall on your Mac

  • In the menu bar, click  Go  → Go to   Folder .

go to library preferences folder on mac

  • Restart your Mac.

After your system boots, it’ll ask you to allow access to numerous programs and services. Enable access depending upon your choice. Then, try connecting to your network and check if the self-assigned IP address error persists.

If you are unsure about deleting the Firewall files, you may temporarily disable it. Toggling off the Firewall on your Mac can help determine if it’s causing conflicts with network connectivity.

  • Select  Network  from the left panel → Choose Firewall .

Turn off your Mac Firewall

  • Restart your Mac and turn it on again.

9. Set Service Order from Mac’s network settings 

Adjusting the service order can prioritize the network interface, ensuring your Mac connects to your preferred network. 

  • Click the  Apple logo →  System Settings →  Network .

click set service order in network settings

10. Change DNS Servers on macOS

Discarding existing DNS and switching to alternative DNS servers can resolve DNS-related issues that may contribute to the self-assigned IP address error.  

  • Open System Settings → Wi-Fi → Click Details beside your Wi-Fi name.

select dns, click plus sign in wi-fi settings

  • Add   these numbers: 8.8.8.8 8.8.4.4 1.1.1.1 9.9.9.9

add dns addresses, click ok in wi-fi settings

11. Check for conflicting IP address 

Ensure that no other devices on your network use the same IP address as your Mac. Check your router’s DHCP client list and verify that all devices have unique IP addresses assigned.

12. Disable VPN 

If you have a VPN service enabled, disable it temporarily to see if it resolves the self-assigned IP address error. Open your Mac’s VPN settings and turn off the VPN connection. 

Bonus fixes 

You may need to attempt more complex fixes if the troubleshooting techniques outlined above do not fix the self-assigned IP address problem on your Mac:

  • Update your Mac to the latest OS version.
  • Verify your Mac is not infected with any malware or viruses. 
  • Ensure your network devices are operating well and there are no hardware problems. 
  • Restart your router or modem
  • Reset NVRAM or PRAM on Mac to clear up the system settings memory. 

Tips to prevent self-assigned IP address issues on Mac

Self-assigned IP address error is indeed frustrating as it prevents your Mac from accessing the internet. So, you must take some precautions to avoid such a nuisance in the future.

  • Regularly update your Mac
  • Try to restart your Mac, router, or other network devices once in a while
  • If your router or modem is outdated, replace it with a new one to get optimal performance. Also, configure the network with high-quality equipment.
  • Connect your Mac to only one active network. I suggest using an ethernet cable for a stable connection.
  • Don’t connect too many devices to your Wi-Fi at a time, as it may create network overcrowding.

Get back your smooth internet access!

Encountering a self-assigned IP address error on your Mac hampers your work, so you should address it ASAP. You can tackle the issue and restore a stable and reliable network connection using these troubleshooting techniques. 

If the problem isn’t resolved, contact Apple Support and seek assistance.

Explore more…

  • MacBook connects to Wi-Fi but has no Internet? 12 Fixes  
  • Wi-Fi not working on Mac? 10 Ways to fix!  
  • How to Run Wi-Fi Diagnostics on Mac for Better Network Connections  
  • How to fix IP address conflict on Mac: Simple solutions to fix it!

Ava

Ava is a die-hard Apple aficionado and seasoned writer with a knack for breaking down complex tech concepts into easily digestible content. Having honed her writing and editing skills over 3 years at renowned media houses like TechBurner, Ava crafts informative and engaging articles including troubleshooting guides, product reviews, editorials at iGeeksBlog. When not typing, you can find her exploring the latest Apple releases or pondering the future of tech innovation.

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How to Fix Self-assigned IP Address Error on Mac

MacBook

The self-assigned IP address error on a MAC is a common issue when the device cannot obtain an IP address from the router or DHCP server. It can cause Internet connectivity problems and make it difficult to access local network resources.

In this article, you will learn the causes of this error and provide troubleshooting steps to resolve it.

Content Table

What Does it Mean When It Says WiFi Has a Self-Assigned IP Address?

Self-Assigned IP Address Error

When a device says it has a “ self-assigned IP address ” on a WiFi network, it cannot obtain a valid IP address from the router. It can happen for various reasons, such as a conflict with another device on the network with the same IP address or an issue with the router’s DHCP (Dynamic Host Configuration Protocol) settings. 

Without a valid IP address, the device cannot access the internet or communicate with other devices on the network. To fix this issue, try restarting the device and router, checking for firmware updates, or manually changing the IP address.

What Are The Reasons for Self-Assigned IP Address Errors?

Several reasons for a self-assigned IP address error can occur on a MAC . Some of the most common causes include:

  • Incorrect network settings: The network settings on the MAC may be configured incorrectly, which can prevent it from obtaining an IP address from the router or DHCP server.
  • DHCP server issues: The DHCP server may be down or not working properly, which can prevent the MAC from obtaining an IP address.
  • Router issues: The router may malfunction or not be configured properly, which can prevent the MAC from obtaining an IP address.
  • Malware or viruses: Malware can infect the MAC and cause it to assign itself an IP address, preventing it from connecting to the internet or local network resources.

Troubleshooting Steps to Fix a Self-Assigned IP Address Error on a Mac

To fix a self-assigned IP address error on a MAC , you can try the following troubleshooting steps:

  • Check network connection: Ensure that the MAC is connected to the network and that the network cable is securely plugged in.

MacBook - Self-assigned IP Address Error on Mac

  • Renew DHCP lease: Try renewing the DHCP lease on the MAC by going to the “ System Preferences ” > “ Network ” > “Select Network” >” Advanced ” > “ TCP/IP ” tab, then click on the “Renew DHCP Lease” button.

Renew DHCP Lease - Self-assigned IP Address Error on Mac

  • Reset the router: Try resetting it by unplugging it for 30 seconds, then plugging it back in.

Power Off Router - Self-assigned IP Address Error on Mac

  • Check for updates: Make sure the MAC runs the latest software updates.

Update macOS - Self-assigned IP Address Error on Mac

  • Disable VPN: If you are using a VPN, disable it and see if it helps.
  • Check for conflicting IP addresses: Make sure that no other devices on the network use the same IP address as the MAC.
  • Disable IPv6: Some users have reported disabling IPv6 on the MAC can fix the issue.

Disable IPv6 Mac - Self-assigned IP Address Error on Mac

Some Bonus Fixes:

If the troubleshooting steps above do not resolve the self-assigned IP address error on your MAC , you may need to try some advanced solutions:

  • Check for malware or viruses: Make sure that the MAC is not infected with malware or viruses which can cause this issue.
  • Reinstall network adapter driver: Try reinstalling the network adapter driver on the MAC.
  • Check for hardware issues: Make sure that the network adapter on the MAC is functioning properly and that there are no hardware issues.
  • Reset NVRAM or PRAM: Try resetting the NVRAM or PRAM on the MAC.

Reset NVRAM - Self-assigned IP Address Error on Mac

  • Contact technical support: If none of the above steps resolves the issue, contact technical support for further assistance.

It’s important to note that maintaining a stable network connection is crucial for the smooth operation of any device. A self-assigned IP address error can be a frustrating problem to deal with, but by following the steps outlined in this blog post, you should be able to resolve it quickly and get back to using your MAC as usual.

Additionally, it is always a good practice to keep your MAC updated, regularly check for malware and viruses, and ensure that the network adapter is working properly. It can help prevent self-assigned IP address errors and other network-related issues from occurring in the future.

How do I Fix the 169.254 IP Address on Mac?

If you’re experiencing an IP address of 169.254 on your Mac, your computer cannot obtain an IP address from your router. Various issues, such as a malfunctioning router or a conflict with another device on your network, can cause it. 

To fix this, you can restart your router and Mac and check for any conflicting devices on your network. Depending on whether the problem persists, you may need to configure your IP address settings on your Mac manually. 

You can do it by going to System Preferences > Network > Advanced > TCP/IP . Consult your router’s manual or contact your internet service provider for specific instructions.

Manual IP Config Mac - Self-assigned IP Address Error on Mac

How do I Fix DHCP on Mac?

Dynamic Host Configuration Protocol, or DHCP, is a crucial network component in most networks. The device assigns IP addresses to devices connected to the network. Without it, devices may be unable to connect to the internet or communicate with other devices on the network. If you are experiencing issues with DHCP on your Mac, there are a few steps you can take to fix the problem.

The first step is to check your network settings. Make sure that your Mac is set to obtain an IP address automatically and that DHCP is enabled. If these settings are incorrect, you may need to enter them manually. If this does not fix the issue, try restarting your router or modem. Sometimes, a simple reboot can resolve DHCP issues.

Another solution is to clear your DHCP lease. It will force your Mac to request a new IP address from the DHCP server. To do this, open the Terminal app on your Mac, then type in “ sudo dhclient -r ,” followed by your admin password. It will release the current DHCP lease, and your Mac will request a new one.

Fix DHCP via Terminal - Self-assigned IP Address Error on Mac

If none of the above solutions works, your router may malfunction, or you might have a problem with your modem. Try contacting your internet service provider for assistance or checking for firmware updates for your router.

Various issues, including incorrect network settings, DHCP server issues, and router problems, can cause a self-assigned IP address error on a MAC. To fix this issue, you can try troubleshooting steps such as renewing the DHCP lease, resetting network settings, and resetting the router. 

In case these steps fail, you can try advanced solutions such as checking for malware or viruses, reinstalling the network adapter driver, and checking for hardware issues. If the problem persists, you may need to contact technical support.

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How To Fix Internet Not Working Due To Self-Assigned IP Address Issue

mac says wifi has self assigned ip address

If your Mac is connected to a working Wi-Fi network but the Internet is still not working, then we have got the solution for you. A lot of times your Mac is issued a self-assigned IP, which causes the Internet to not work on the machine.

Despite the same Wi-Fi network working on other devices, the Mac will simply show no internet connection error and Internet will not work on it. In these situations Wi-Fi has the self-assigned IP address and will not connect to the Internet despite the Internet working on other devices.

On Mac’s Wi-Fi page the Wi-Fi will also show the Self-Assigned IP Address text instead of connected. This is a very annoying problem that can cause Internet to not work on your Mac. Not having a working Internet connection on your Mac due to Mac’s self assigned IP problem can prevent you for doing work and render your Mac useless.

Good thing is self-assigned IP issue on Mac is quite easy to solve. You can fix the self-assigned IP address issue and get the Internet to work again on your Mac by simply deleting a few files on your machine.

Simply follow the steps below from an administrator account and put the mentioned files in trash.

This solution works on all recent versions of macOS including macOS Ventura, macOS Monterey, macOS Big Sur and macOS Catalina.

Fix Self-Assigned IP Address Issue on Mac

You can use to solve the self-assigned IP address issue on your Mac running macOS Ventura, macOS Monterey, macOS Big Sur, macOS Catalina etc.

1. On your Mac launch finder and click on Macintosh HD. (Don’t see Macintosh HD? See here )

2. Click on the Library folder and go to Preferences.

3. Now click on the SystemConfiguration folder.

4. Next put the following files in trash.

  • com.apple.airport.preferences.plist
  • com.apple.network.identification.plist
  • NetworkInterfaces.plist

5. Restart your Mac.

Once the reboot has taken place the Internet will start working and self assigned IP address issue will be resolved.

If you don’t see all the files mentioned above, then just delete the ones that are present and reboot your machine.

How to Reset Mac’s IP address

In case you’re looking to reset your Mac’s IP address to solve internet connection problems with your computer, then the following instructions will help. If deleting the files mentioned above does not help, then the steps to reset Mac IP address can also prove helpful in fixing self-assigned IP Mac problem.

On macOS Ventura or later

Below you can find instructions on how to reset Mac IP address if you are running macOS Ventura or later.

1. Click on the Apple logo from the top menu bar and then click on System Settings .

2. Now click on Wi-Fi option from the side pane.

3. Make sure your Mac is connected to your Wi-Fi network. Then click on ‘ Details… ‘ located next to Wi-Fi’s name.

4. Now click on TCP/IP button from the left side pane.

5. Next find the ‘ Renew DHCP Lease ‘ button on the right side of the window and click on it.

6. Click on OK button and using the toggle next to Wi-Fi turn off Wi-Fi and turn it back on after a few seconds.

By performing these steps you should be able to solve self-assigned IP issue on your Mac and Internet should start working once again.

On macOS Monterey or earlier

Here’s how you can reset Mac IP address if you are running macOS Monterey or earlier on your Mac.

1. On your Mac open System Preferences.

2. Click on Network icon.

3. Make sure Wi-Fi is selected from the side pane and then click on ‘Advanced’ button.

4. Now click on TCP/IP from the top navigation bar.

5. Next click on ‘Renew DHCP Lease’ button.

6. Click OK to exit and from the top menu click on the Wi-Fi button and turn off Wi-Fi.

7. After a few seconds turn Wi-Fi back on and connect your Mac to your Wi-Fi network.

8. At this point Self-Assigned IP address issue should get solved and Internet should start working again.

There you have it, this is how you can easily and quickly fix Self-Assigned IP address issue on Mac and get your Internet connection working once again. If you have any questions regarding this tutorial, then feel free to let us know in the comments section below.

  • troubleshooting

mac says wifi has self assigned ip address

Hello I recently instakked BIG SUR on my late 2013 macbook pro and I am having trouble tethering my Iphone XR to it. I can tether using wifi, but when I attempt to tether using bluetooth, my phone shows as connected in bluetooth preferences on my macbook and iphone, with the connection/link symbol shown on my iphone, but the internet will not work. In Network the bluetooth Pan shows an orange dot, STATUS: CONNECTED, but underneath it says ‘internet-not-working-self-assigned-ip-address-issue’. Do you have any ideas on how to fix this, I followed your instructions from the link ( https://ioshacker.com/how-to/fix-internet-not-working-self-assigned-ip-address-issue ) on your website, but each time I restart the computer the files that I put into the trash and delete from the trash re-appear in the system configuration folder. Only 2 of the 3 files you suggested to trash are in the folder, – com.apple.network.identification.plist – is not in the folder. Any advice appreciated.

I’m running Monterrey on my MacBook Pro and was having problem with the self-assigned IP and cannot connect to the Internet. I followed what your article suggested, several times, but was still unable to resolve the problem. Are there other suggestions that you think I should try? Thank you.

I just had the same issue and none of the fixes found online worked. I have McAfee Security software installed and there was a service running called McAfeeSystemExtensions. I deactivated the service within the Network settings and problem resolved.

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Self-Assigned IP Address Error on Mac: How to Fix?

By: Waseem Patwegar | Filed Under: Mac

If Wi-Fi or Ethernet is not working on your MacBook due to “Self-Assigned IP Address” error, you can find below the steps to restore network connectivity on your Mac.

Self Assigned IP Address On Mac

Self-Assigned IP Address on Mac

In a typical case of this nature, the MacBook appears to be connected to the Network (WiFi or Ethernet), but it fails to load webpages and comes up with “Self-Assigned IP” error.

As indicated by the wordings (Self-Assigned IP Address), the reason for this problem is due to your Mac Assigning itself an IP Address that is not valid or not recognized on the network.

Luckily, in most cases the problem of No Internet connectivity due to “Self-Assigned IP Address” can be fixed by rebooting the modem.

1. Power Cycle Modem/Router

Before going ahead with other methods, simply disconnect the Modem/Router from its power supply source > wait for 60 seconds and reconnect the Modem/Router back to its power supply.

After this, you should find internet working properly on your Mac, as it starts using a valid IP Address on both WiFi and Ethernet to connect to the network.

2. Renew DHCP Lease

1. Click on Apple Logo in the top menu-bar and select System Preferences… in the drop-down menu.

Open System Preferences on Mac

2. On System Preferences screen, click on the Network Icon.

Network Option in System Preferences Screen on Mac

3. On Network screen, select your Network ( Ethernet or WiFi ) in the side-menu and click on Advanced .

Advanced Option in Network Settings Screen on Mac

4. On the next screen, switch to TCP/IP tab and click on Renew DHCP Lease button.

Renew DHCP Lease Option on Mac

5. Click on OK to save the revised settings.

After the DHCP lease is renewed, you should be able to connect to internet

3. Delete PLIST Files

The problem of No Internet on Mac due to Self-assigned IP Address can be fixed by removing certain files related to network connectivity on your computer.

1. Click on the Finder Icon in taskbar > click on the Go tab in top-menu bar and select Go to Folder option in the drop-down menu.

Open Go to Folder on Mac

2. In Go-to window, Type /Library/Preferences/SystemConfiguration/ and click on the Go button.

Go to /Library/Preferences/SystemConfiguration/ Folder on Mac

4. In System Configuration folder, delete the following folders (right-click on the Folders and move them to trash).

  • com.apple.airport.preferences.plist
  • com.apple.network.identification.plist
  • NetworkInterfaces.plist
  • Preferences.plist

Note: Your Mac will automatically recreate above Folders when it restarts.

5. Shutdown the MacBook > Wait for 30 seconds and Restart the Mac again and see if you can now connect to the internet.

4. Set Service Order

Make sure that your MacBook is always connecting to your preferred network type (WiFi or Ethernet).

1. Click on Apple Logo > System Preferences > Network > On the Network screen, click on the Gear icon and select Set Service Order option in the drop-down menu.

Set Service Order Tab on Mac Network Settings Screen

2. On Service Order window, drag your preferred Network (WiFi or Ethermet) to the top position.

Choose Preferred Network Type on Mac

3. Once you are done, click on OK to save the changes.

5. Create New Network Location

If you are still unable to connect to Internet, create a New Network Location on your Mac and renew its DCHP lease.

1. Click on Apple Logo > System Preferences > Network > On the Network screen, open the Location menu and select Edit Locations option.

Edit Network Locations on Mac

2. On the next screen, click on the Plus icon to Add New Location.

Add Network Location Option on Mac

3. On the next screen, type a Name for the New Network Location and click on Done .

Name New Network Location Option on Mac

4. After creating new location, select either WiFi or Ethernet in the side menu and click on Advanced .

5. On the next screen, switch to TCP/IP tab and click on Renew DHCP Lease .

6. Click on OK to save the new settings.

This should certainly fix “Self-Assigned IP Address problem and restore network connectivity on your Mac.

6. Switch to Google DNS

If your Mac is frequently struggling from Network connectivity issues, the problem might be due to the DNS Servers of your Internet Service provider being busy and clogged up.

To fix this issue, you can consider switching the DNS servers on your Mac to Google DNS or Open DNS.

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self assigned ip address mac

How to Fix the Self Assigned IP Address Issue on Mac

At times macOS users face the self-assigned IP address malfunction on their computer. Your Mac will keep alerting you to the ‘internet not working’ pop-up even if you have a Wi-Fi network connection.

It allows the network interface to make a malfunctioning ad-hoc network. There can be many reasons for network issues like a broken cable, DHCP server problem, network location, etc. But, it gets better if you know the correct way to troubleshoot the issue.

Table of Contents

Fixes for the self-assigned IP address issue

Self-assigned IP issues can frustrate users and cause internet issues. But, fret not, you can fix self-assigned IP address malfunction using any of the methods mentioned below:

  • Restart your modem

Before trying any other method to fix the internet issue restart your modem to see if it works. Click the ‘Wi-Fi’ button from the top menu on the Mac to turn it off. Please wait for a few minutes and then turn it back on. Check to see if the issue is fixed.

If this hack works, you will see the Wi-Fi connection running on your Mac with a proper IP address.

  • Re-enable the network preferences

mac says wifi has self assigned ip address

To reset network preferences on your computer, follow these steps:

  • Open Mac, launch ‘Finder,’ and in the top menu bar, tap on ‘Go to Folder’ from the drop-down menu of the ‘Go’ bar
  • A new window will appear, type ''/Library/Preferences/SystemConfiguration/'' and press enter
  • The System Configuration window will open. Then delete the following commands: ‘ com.apple .airport.preferences.plist, Networkinterface.plist and preferences.plist’ to reset network configurations
  • Please only delete the files if you have no issue losing the network configuration
  • Please switch off the Mac and then switch it back on; try and link to the Wi-Fi again
  • Open TCP/IP settings again and look for the files that you deleted
  • You will find the removed files back in the old folder

mac says wifi has self assigned ip address

  • Renew DHCP lease

One of the most common fixes to the ‘self-assigned IP issue’ is to renew the DHCP lease. A DHCP lease temporarily assigns an IP address to a device connected to the internet.

If the internet connection is malfunctioning, follow these steps to renew your DHCP lease:

  • Tap the Apple logo on the top-left menu bar, then visit the ‘System preferences’ section
  • Then click on ‘Network settings’ and click ‘Advanced’ in the Wi-Fi section
  • Then select the ‘TCP/IP’ section and tap on the ‘Renew DHCP lease’ button and select OK
  • After renewing the lease, check if you can connect to your Wi-Fi

mac says wifi has self assigned ip address

  • Make a different network location/ new location

One way to fix self-assigned IP is to set up new network locations on your Mac. Follow the steps below to make a new network location:

  • Tap on the Apple logo from the menu bar and select ‘System preferences’
  • Enter the ‘Network settings’ then tap on ‘Drop-down menu’ near the Location tab
  • Then tap on ‘Edit locations’ and tap on the ‘+’ button and add a ‘new network location’ and tap on done
  • Choose ‘Wi-Fi’ or Ethernet; if not selected automatically
  • Then press on ‘Advanced’ button and again press the ‘Renew DHCP lease button’ and enter
  • This will set a ‘new location’ on the device
  • Reset Firewall

Primarily self-assigned IP address malfunction occurs when the system’s Firewall undergoes configuration problems. If you have performed significant configuration changes on a Mac, settings may not migrate properly. It causes a Firewall issue and might disrupt the network connection.

To fix the firewall configuration issue, follow these steps:

  • Click the ‘Finder’ icon to launch it, then select ‘Go to folder’ in the ‘Go’ menu bar
  • In the pop-up window, enter the following command /Macintosh HD/Library/Preferences/
  • In the new window, delete the ‘com.apple.alf.plist’ command
  • After the Mac restarts, reboot it and check if the Wi-Fi connects

mac says wifi has self assigned ip address

Note that after the system boots, you would have to allow connections for the numerous programs temporarily. 

  • Setup the service order in network settings

If your Mac has a self-assigned IP address issue, try resetting the service order of Wi-Fi in the network settings.

To set ‘Service order’ on Mac, follow these steps:

  • Select the Apple logo on the screen and click ‘system preferences’
  • Click on ‘Network icon and then press on the gear icon
  • Then tap ‘Set service order,’ and drag the services you are using at the start of the file
  • For example, if you are utilizing Wi-Fi, select ‘Wi-Fi’ and put it on the first number

mac says wifi has self assigned ip address

  • Change DNS servers

DNS servers change the domain name to IP addresses. Try changing the DNS servers to see if the issue fixes. Follow these steps:

  • Select the Apple logo and click ‘system preferences,’ then click on the ‘Network’ icon
  • Select the Wi-Fi icon or Ethernet you use (if not selected already)
  • Then choose the ‘DNS’ tab in the ‘Advanced’ section and press ‘+.’
  • Add the following numbers to the DNS server list: ‘8.8.8.8, 8.8.4.4, 1.1.1.1, 9.9.9.9’ and click ‘OK’
  • It will most likely fix the self-assigned IP address problem in your Mac

mac says wifi has self assigned ip address

Contact an Apple support team tech. If the above methods do not fix your Mac’s self-assigned IP address issue.

What does self-assigned IP mean on Mac?

Self-assigned IP is one of the reasons why you are unable to use the internet on your device. It mainly occurs when your network router does not provide your device’s IP address, causing internet connection issues.

How do I give my Mac a static IP address?

You can give your Mac a static IP by following the steps below:

  • Select the Apple logo and click ‘System preferences’
  • Click on the ‘Network’ tab and then select the ‘Advanced button’ 
  • ON TCP/IP section, open the configure IPv4 list and select ‘manually’
  • Enter your IP settings in the field, and the static IP address will the assigned 

Conclusion 

By now, you must have learned how to fix self-assigned IP on your computer. Though it is not a huge problem, it does cause a lot of frustration among users. Hopefully, you found the article helpful and learned how to fix network malfunctions on your mac OS.

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Marid is a lifelong tech enthusiast and is the lead editor of Macdentro.com. An expert on all things Apple and a lifelong Mac user. Marid has over 10 years of experience using Apple products including the Apple watch, Ipad and etc

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How To Fix Common Connection Wi-Fi Issue: Self-assigned IP On MacBook

Most of the time, WiFi works very well. It’s fast, and it’s convenient. But sometimes, you might experience some issues with connecting to your WiFi network, like your WiFi connection dropping out for no apparent reason. In this article, we’re going to talk about how to fix a common WiFi issue — one that’s related to how your Mac assigns itself an IP address.

Most wireless internet connections require a unique IP address to allow users to access their network remotely. These are typically assigned by a router or other networking equipment via DHCP, a protocol that hands out IP addresses. Some users have reported errors with their network connections when this process is interrupted. These issues are usually easy to fix, but they can cause frustration if you don’t know how.

Apple laptops are known for their reliability, but that doesn’t mean they never have any problems. From common issues like wi-fi dropping out, to more serious problems such as hard drive failure, Apple is renowned for producing solid hardware that is generally quite reliable, and doesn’t break down as much as PCs.

In this article, you will find some solutions that will help you solve the Wi-Fi problem on your MacBook. We use a MacBook as one of our mobile devices to increase productivity. Sometimes in a new place we need to connect our MacBook to the local Wi-Fi network to access the Internet. See also: To recover the Mac 36 error code Sometimes the Wi-Fi is already connected, but we still can’t access the Internet while our friends can, usually with their MacBooks. In this case, first check your MacBook’s Wi-Fi icon in the menu bar. Source: technobezz If you see an exclamation mark (! ) next to the Wi-Fi icon in the menu bar, as in the image above, it means that there is a network problem. Click on the Wi-Fi icon and you will probably see the following. Source: technobezz

To solve a common Wi-Fi connection problem Self-assigned IP on MacBook

There are many causes for not being able to connect to the Internet, and the automatically assigned IP is one of them. We will troubleshoot and repair the self-assigned IP on the MacBook. I would like to propose a solution to this problem. If you are using Mac OS X 10.5 or higher and experience this problem, try the following.

First thing: Checking network settings

Tap the Apple menu > System Preferences > Network In this section, make sure that the Location (1) option is set to Automatic, as shown in the figure below, and then click Advanced (2). Source: technobezz After clicking on the Advanced button (2), a new window will appear as shown in the figure below. Click on the TCP/IP tab and you will see this screen. Source: technobezz You have to pay attention to two things: Configure IPv4 (1) and configure the router (2). If you encounter a basic problem where Configure IPv4 is set to Use DHCP but no IP is set on the router, try the following steps to resolve the issue.

Troubleshooting steps

  • Click on the Finder icon, and then click Go > Go to folder on the menu bar.

Source: technobezz

  • After clicking the Go to Folder button, enter : /Library/Preferences/SystemConfiguration/

Source: technobezz Message: This resets all network configurations. If you have no problem losing your network configuration, you can continue with the following steps.

  • Delete the files I highlighted in the image below. You will be prompted to enter the administrator password.
  • Reboot your MacBook. After logging in, try to connect to the same WLAN. Check and make sure the advanced window displays the router’s IP address.

Source: technobezzWi-Fi is simple to set up, but many users have reported connection issues, where their computer cannot connect to the internet over Wi-Fi. There are a number of reasons why this happens, and we have put together a list of the most common ones.. Read more about self-assigned ip address iphone and let us know what you think.

Frequently Asked Questions

How do i fix self-assigned ip address on mac wifi.

So, you’ve changed your Wi-Fi network name or password, but can’t seem to connect your MacBook to the network. You’ve tried everything, but you get the dreaded message: “This computer has a self-assigned IP address.” The good news is that this is a fixable problem. If it’s not too late, you can get your MacBook online and start browsing the Web again. When you self-assign an IP address on your Mac, it means that there is a conflict with the existing IP address on your network. This is not an issue, but it can be if you want to connect to the internet. Here are some steps you can take to fix this issue.

Why does my Mac say self-assigned IP address?

The Wi-Fi icon on your Mac displays the IP address of the computer. The IP address can be assigned by a router or DHCP server. Your Mac’s IP address is self-assigned if your Mac has not communicated with a DHCP server or used the built-in DHCP server on your router. Mac users that have enabled the “Airport” feature on their Mac have a built-in DHCP server. While the self-assigning IP address is not an error, it can be problematic if you are not using a DHCP server. If your router or network does not have a DHCP server configured, the self-assigned address can prevent you from connecting to the Internet. The self-assigned IP address might appear when you are connecting your Mac to a network. The IP address comes from a private range of IP addresses, called an RFC1918 range. These addresses are not approved for Internet use, but are often used on local area networks. Self-assigned addresses indicate the computer is set up incorrectly and needs to be reconfigured so that it will use a publicly-reserved IP address.

What is self-assigned IP address for MacBook Pro?

This is a common problem with Macbook pro users. When you connect your Macbook Pro to a Wi-fi network, the IP address gets assigned to your Macbook by the router. But there are cases when the IP address assigned to your Macbook is ‘self assigned’ and that’s not a good thing. If you are a Mac User and you have set your Mac laptop to use a specific IP address then you can change it. However, if you don’t know what is self-assigned IP address and you want to know how to change it, then you are reading the right article.

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What is Self-Assigned IP and How to Fix it

mac says wifi has self assigned ip address

The self-assigned IP error may prevent your Mac from connecting to the Internet. You may get an Internet connection error messages such as “Wi-Fi has the self-assigned IP address and will not be able to connect to the Internet.” If you investigate this issue further, you will see that the Network pane in System Preferences will also show a notification message saying “Self-Assigned IP” with a yellow dot instead of the regular “Connected” message under the network service, as you can see in the screenshot below. This problem may occur when Mac is connected to a wired, wireless (Wi-Fi), or hotspot connection.

Self-Assigned IP message in Network Settings

This problem occurs when a self-assigned IP address is issued to network interfaces. When this issue happens, not all computers connected to the same network may be affected. For example, in the same home, one Mac may have this problem while other similarly configured Macs may have no problem at all, even though they all are using the same Wi-Fi connection. This may mean that the root of the problem is how the problem Mac is configured. Several factors may cause this issue, such as:

  • Bad cable connections.
  • Not getting an IP from the router or modem.
  • Failure of the DHCP server.

Follow the steps below to address this problem. Please try the steps in this order. After trying each step, check to see if your problem is fixed. If it is not fixed and if you still see the Self-Assigned IP error, move to the next step.

Self-Assigned error troubleshooting steps

Check your router/modem : If you are connected over Wi-Fi, ensure that your Mac is not too far away from the router/modem.

Restart your router/modem and your Mac : You can do this easily. Simply disconnect the power cable to your router/modem. Wait 30 seconds. Then reconnect. Then restart your Mac. Click the Apple  menu and select Restart .

Renew DHCP Lease : On your Mac, open System Preferences and click on Network . Select the network service you want to connect to (e.g., Wi-Fi or Ethernet) and click on Advanced . This will open a new window. Select the TCP/IP tab and click the Renew DHCP Lease . Then click OK .

Renew DHCP Lease button

Check your connection settings : On your Mac, go to System Preferences > Network . Then select the network that shows this error and click Advanced . Select the TCP/IP tab and then make sure that “Configure IPv4” and “Configure IPv6” are set to Using DHCP and Automatically , respectively.

DHCP settings page

Then click on the DNS tab, and delete any DNS servers that are listed there. Select them one by one and click on the minus button to remove them. Do not forget to click OK and Apply when you are done.

Create a new network location : On your Mac, open System Preferences and Network . Open the Location drop-down menu and select Edit Locations . Click the plus (+) button and add a new location, give it a name and click Done . Now you have two locations: Automatic and your new location. Select this new location and then click Apply .

Network Locations

Now, we will add a new Wi-Fi or Ethernet service, whichever you are using. Click the plus (+) sign under the network services on the left, select the Interface (Wi-Fi, Ethernet, etc.) and name it, then click Create . Then click Apply .

New network create screen

Now select the Self-Assigned IP network and then click the minus (-) button to delete it. Then click Apply . Does this newly created service connect?

Reset the system firewall: We can do that by deleting its preference file . Open a Finder window and then click Go and Go to Folder from the top menu bar. Enter /Library/Preferences/ and click Go .

Preferences

Once the Preferences folder is open, find the com.apple.alf.plist file. Delete this file (or place it on your Desktop; if you are not happy with what happens, you can put it back). Then restart your Mac.

Firewall Preference file

Related articles

  • How To Reset Network Settings On Mac
  • How To Use Network Utility on Mac
  • Mac Wi-Fi Connected But No Internet Access
  • iPhone Will Not Connect To A Known Wi-Fi Network, Fix

mac says wifi has self assigned ip address

Dr. Serhat Kurt worked as a Senior Technology Director specializing in Apple solutions for small and medium-sized educational institutions. He holds a doctoral degree (or doctorate) from the University of Illinois at Urbana / Champaign and a master’s degree from Purdue University. He is a former faculty member. Here is his LinkedIn profile and Google Scholar profile . Email Serhat Kurt .

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How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

John Doe

Here, you will find some solutions that will help you fix the Wi-Fi issue on the MacBook. Sometimes, in a new place, we have to connect our MacBook to a local Wi-Fi to access the Internet.

Sometimes the Wi-Fi may already be connected, but we still cannot access the Internet. In this case, check your MacBook’s Wi-Fi icon first on the menu bar.

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

If you see the exclamation mark ( ! ) on the Wi-Fi icon in the menu bar, as you can see in the picture above, it means that there’s a network issue. Click on the Wi-Fi icon and you will probably see the following drop down menu.

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

How to Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

Many things can cause the no internet connection issue, one of which is the self-assigned IP issue . If you are using Mac OS X 10.5 or later and facing this issue, try the following.

Check your Network Preferences

To start, go to the Apple menu > System preferences > Network.

In this part, you have to ensure that Location (1) is on the Automatic option, as you see in the picture below, then click Advanced (2).

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

After you click Advanced (2), a new window will appear, as shown in the picture below. Click on the TCP/IP tab to view this window.

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

You should see two things: Configure IPv4 (1) and Router (2). If Configure IPv4 has been set to Using DHCP and the Router field is empty, then try the following steps to resolve the issue.

Reset Network Configuration

  • Click on the Finder Icon, then in the Menu Bar Click Go > Go to Folder

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

  • After you click Go to Folder, type: /Library/Preferences/SystemConfiguration/

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

Note: This will reset all your network configurations. Feel free to proceed if you have no problem losing your network configuration.

  • Delete the files highlighted in the picture below. You will be asked for your admin password.

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

  • Restart your MacBook . After you log in, try to connect to the same Wi-Fi. Check and make sure that Router IP fills the Router in the Advanced window.

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

Renew DHCP Lease

Here's what you need to do:

  • From the menu bar, click on the Apple logo
  • Next, head over to System Preferences
  • Go to Network Settings
  • Choose your Wi-Fi or Ethernet
  • Select Advanced and go to the TCP/IP tab
  • Find the iPv4 Address line, and click on Renew DHCP lease right next to it
  • Finally, click OK.

Create a brand new network location

If the previous suggestions didn't make any changes, try the following:

  • Click on the drop-down menu right next to Location
  • Next, click on Edit Locations
  • Click on "+"
  • Enter the name of the location
  • Click Done.
  • Next, select your Ethernet or Wi-Fi
  • Click Advanced and then choose the TCP/IP tab

Reset the firewall

Still nothing? It's time to reset the firewall. Here's how:

  • Open Finder
  • Click Go > Go to Folder
  • When the pop-up window shows up, enter the following: /Macintosh HD/Library/Preferences/
  • Find the file: com.apple.alf.plist
  • Delete that file
  • Restart your Mac.

Set the service order

Follow the steps below:

  • Click on the Apple logo and then head over to System Preferences
  • Find the gear button at the bottom and click on it
  • Click on the option Set the service order
  • Place the services at the top of the list by dragging them there.

Changing DNS servers

Changing DNS servers helped many users to get rid of the problem. Give it a try:

  • Select Advanced
  • Click on the DNS tab
  • Next, click on "+"
  • Add the following numbers:

If you have tried all these suggestions but are still facing the same issue, please contact Apple Support.

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Wifi Has Self-Assigned Ip Address Mac

Introduction.

WiFi has become an essential part of our lives, allowing us to stay connected to the internet wherever we go. However, sometimes our devices can experience issues with connecting to a WiFi network, such as when a WiFi has a self-assigned IP address. This can be a frustrating issue, as it can prevent us from accessing the internet. Fortunately, there are some steps we can take to resolve this issue on a Mac computer. In this article, we will discuss what a self-assigned IP address is, why it occurs, and how to fix it on a Mac.

How to Troubleshoot a Mac with a Self-Assigned IP Address

If your Mac is having trouble connecting to the internet, it may be due to a self-assigned IP address. This issue can be caused by a variety of factors, including incorrect network settings, a faulty router, or a corrupted system file. Fortunately, there are a few steps you can take to troubleshoot and resolve the issue.

First, check your network settings. Make sure that your Mac is set to obtain an IP address automatically. If it is not, you can change this setting in the Network pane of System Preferences.

Next, try resetting your router. Unplug the power cord from the router, wait a few seconds, and then plug it back in. This will reset the router and may help resolve the issue.

If the problem persists, you may need to reset your Mac’s system file. To do this, open the Terminal application and type the following command: sudo killall -HUP mDNSResponder. This will reset the system file and may help resolve the issue.

Finally, if none of these steps have worked, you may need to contact your internet service provider for further assistance.

By following these steps, you should be able to troubleshoot and resolve the issue of a self-assigned IP address on your Mac.

Understanding the “Wifi Has Self-Assigned IP Address” Issue on Mac

When your Mac computer tells you that “Wifi has self-assigned IP address,” it’s essentially communicating that it’s having trouble obtaining a proper IP address from your network’s router or another DHCP server. This is a common networking issue that can prevent your Mac from accessing the internet, even though it’s connected to a Wi-Fi network. In this article, we’ll dive deep into the causes of this problem, how to troubleshoot it, and ways to prevent it from happening in the future.

Common Causes of Self-Assigned IP Address Errors

Before we can fix the problem, it’s important to understand what causes it. Here are some of the most common reasons why your Mac might be assigning itself an IP address:

  • Router Issues:  Sometimes, the router or modem may be malfunctioning or not properly configured to assign IP addresses.
  • Network Settings:  Incorrect network settings on your Mac can lead to IP address assignment problems.
  • Outdated Software:  Running outdated software on your Mac or router can cause compatibility issues with the DHCP protocol.
  • Hardware Problems:  Occasionally, hardware failures in your networking equipment can lead to IP conflicts.

Step-by-Step Troubleshooting Guide

If you’re facing the self-assigned IP address issue on your Mac, follow these steps to troubleshoot and hopefully resolve the problem.

Step 1: Check Your Router and Modem

Begin by examining your router and modem. Ensure they are powered on and functioning correctly. Sometimes, simply restarting these devices can resolve the issue. Unplug them, wait for a minute, and then plug them back in.

Step 2: Verify Mac’s Network Settings

Next, check your Mac’s network settings. Go to  System Preferences  >  Network , and ensure that the Wi-Fi is set up to configure IPv4 using DHCP. If the settings are incorrect, update them and try reconnecting to the network.

Step 3: Renew DHCP Lease

If the problem persists, try renewing the DHCP lease. In the Network preferences, select Wi-Fi, then click on the “Advanced” button. Go to the TCP/IP tab and click on “Renew DHCP Lease.” This action prompts your Mac to request a new IP address from the router.

Step 4: Create a New Network Location

Sometimes creating a new network location can resolve the issue. In the Network preferences, click on the “Location” dropdown menu and choose “Edit Locations.” Add a new location, configure it for DHCP, and see if that solves the problem.

Step 5: Reset Network Preferences

As a last resort, you can reset your Mac’s network preferences. This involves removing certain system configuration files and restarting your Mac. Be cautious with this step, as it will erase all your custom network settings.

Preventative Measures to Avoid Future Issues

To prevent the self-assigned IP address issue from recurring, consider the following tips:

  • Regularly update your Mac and router firmware to ensure compatibility and security.
  • Periodically restart your router and modem to refresh the network.
  • Maintain consistent network settings across all devices.
  • Consider using a static IP address if the issue persists.

FAQ Section

What does it mean when my mac says “wifi has self-assigned ip address”.

It means that your Mac is unable to obtain a proper IP address from your network’s DHCP server, which is necessary for accessing the internet.

Can this issue be caused by my internet service provider?

While it’s possible, the issue is more commonly related to your local network equipment or settings rather than your ISP.

Is it safe to reset my network preferences on Mac?

Yes, but be aware that it will erase all custom network settings, so you’ll need to set them up again.

Should I use a static IP address to fix this issue?

Using a static IP can be a solution, but it’s generally recommended for advanced users who are comfortable with network configurations.

The “Wifi has self-assigned IP address” issue on Mac can be frustrating, but with the right troubleshooting steps, it’s often resolvable. By understanding the causes and following the provided guide, you can get back online quickly. Remember to keep your devices updated and to regularly check your network settings to prevent future problems.

For more detailed technical assistance, consider reaching out to Apple Support or consulting with a professional network administrator.

For further reading and technical resources, you can visit the following links:

  • Apple Support Documentation:  https://support.apple.com/
  • Networking Basics from Cisco:  https://www.cisco.com/c/en/us/solutions/small-business/resource-center/networking/networking-basics.html
  • DHCP Configuration Guides:  https://www.ietf.org/rfc/rfc2131.txt

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mac says wifi has self assigned ip address

Resolve "Self-Assigned IP" Errors for Apple Mac

Authored by: Support.com Tech Pro Team

1. Introduction: Apple Mac: Resolve Self-Assigned IP Address

One possible result of the inability to get online is that you have what is referred to as a self assigned IP address. This usually happens when your router (which normally provides you an IP address) does not provide you an IP address to talk to other computers.

Example of a Self Assigned IP Address

This guide will help you to troubleshoot self assigned IP addresses.

2. Network: Reboot

One of the main causes with the inability to get on the Internet is that your networking equipment could have malfunctioned. Sometimes performing a reboot will resolve this issue.

Your network may consist of one or more of the following networking devices.

This is the primary device used to get you on the Internet.

  • Has either a coaxial cable, fiber cable, or phone cord plugged into it.
  • Typically has 1 or 2 Ethernet ports which connect to a router.

This is an all-in-one device that has both a modem and a router built in. It is a primary device used to get you on the Internet.

  • Typically has 3 or 4 Ethernet ports which connect to a your computers and smart devices.
  • Typically has Wi-Fi built into it

This device allows you to connect multiple devices to your Internet connection using a single external IP address.

  • Typically has Wi-Fi built into it.

This device helps to extend the wired functionallity of devices by provuding your additional Ethernet ports.

  • These are typically plug and play.
  • This device is not a router.

AccessPoint

This device will provide wireless access to your existing network.

  • Used to extend the range of your network
  • Usually plugged into a router/gateway via Ethernet connection.

RangeExtender

This device will extend the range of your existing Wi-Fi network by rebroadcasting your Wi-Fi network.

  • Standalone device plugged into a power source.
  • Usually located 15-30 feet from the router.

Next we will want to power cycle the networking devices.

Modem / Gateway

  • Unplug the power from the device.
  • Wait 30 seconds.
  • Plug the power back into the device.
  • Wait for the device to go online.

Access Point / Range Extender

3. macos: restart.

  • From the menu bar across the top of the screen, select the Apple menu (1), then select Restart... (2).

Apple menu with Restart option selected. Screenshot.

Any unsaved work will be lost.

4. Network: Determine Connection Type

Next we need to know how your device connects to the Internet.

  • Wireless - You connect using a wireless router or access point.
  • Wired - You use an Ethernet cable plugged into your gateway/router/switch and the other end is plugged into your device.

5. macOS: Renew DHCP

  • Click the Apple Menu and then click on System Preferences .

Apple Menu with System Preferences highlighted.

  • Click on Network .

Network icon highlighted

  • Click the connection you are having a problem with on the left.

Connections highlighted

  • Make sure Configure IPV4 is Using DHCP .

Using DHCP is highlighted

  • Click on Advanced .

Advanced button is highlighted

  • Click Renew DHCP lease .

Renew DHCP Lease highlighted

6. macOS: Forget Network

  • Click the Wi-Fi icon in the menu bar. By default it will be in the upper right corner near the time and date.

Wi-Fi symbols.

  • If Wi-Fi is off, choose Turn Wi-Fi on .

macOS Wi-Fi menu with Wi-Fi On highlighted.

  • Select Open Network Preferences .

Wi-Fi menu with Open Network Preferences highlighted.

  • Select Advanced within the Network window.

Network Preferences with Advanced highlighted.

  • In the Preferred Networks list, select the network you wish to forget. Tap the minus icon ( - ) to forget the network.

Advanced Network Preferences Wi-Fi tab with Network list, add, and remove highlighted.

  • Your device will no longer join this Wi-Fi network unless you reconnect once again.

7. macOS: Connect to Wi-Fi

  • The strength of each nearby network is shown next to its name. More darkened bars indicate a stronger network connection.

Wi-Fi menu with signal strength indicator highlighted.

  • Select the Wireless Network Name (SSID) of the network you want to connect to.

Wi-Fi menu with networks highlighted.

  • Networks that have a lock icon next to their name require a password. After you select your network, enter the network password when you're prompted. If you don't know the network password, check with the owner of the Wi-Fi network you're trying to join.

8. macOS: Reset Firewall

  • Open the Finder from the dock.

Finder highlighted

  • Click on the Go menu.

Go menu highlighted

  • Click on Go To Folder.. .

Go To Folder highlighted

  • Type " /Library/Preferences " in the box.

Go to folder text box highlighted

  • Click the Go button.

Go button highlighted

  • Find the file named " com.apple.alf.plist " and drag it to the trash .

plist file being dragged to trash can

9. macOS: Restart

10. check other devices.

To help troubleshoot the problem we should check if other devices can connect to the wireless network.

11. What's next?

12. what's next, 13. macos: renew dhcp, 14. network: ethernet troubleshooting.

While Ethernet connections are typically the most reliable connection to the Internet, there are still some issues that can arise. Test your connection after each of these steps.

  • Plug your Ethernet cable into another port on your Gateway/Router/Switch.
  • Try using another Ethernet cable.
  • If you are plugged into a switch, try plugging directly into your Gateway or Router.

15. macOS: Reset Firewall

16. macos: restart, 17. check other devices, 18. what's next, 19. what's next, privacy matters.

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macOS User Guide

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mac says wifi has self assigned ip address

Resolve IP address conflicts on Mac

If you’re connected to a network using TCP/IP, and you are having problems connecting your Mac to other computers or services, there may be a conflict with your computer’s IP address and the IP address of another device on the network.

Depending on the way your IP address is provided, there are several things you can try to resolve the conflict.

If you receive an IP address automatically using DHCP, there could be another device on the network that is already using that IP address. In most cases, the DHCP server will provide your Mac with another IP address in a few minutes. Try connecting again.

Close the app that is using the connection (such as Safari or Messages), then open the app again.

Put your computer to sleep, wait a few minutes, then wake it from sleep. Try connecting again.

Close all open apps and restart your computer.

If you entered your IP address manually, make sure you entered the correct address. If you’re connecting to a network that’s managed by an administrator, check with the administrator. See Enter TCP/IP settings .

If you’re on a home network, and none of these suggestions fix the problem, try disconnecting from the network and turning off all the devices that are connected to it (for example, your router and modem). Wait a few minutes, then turn the devices back on. See Restart an external device .

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Gpt95

Wifi error - self-assigned IP address

My Macbook Air won’t connect to optimumwifi. Network page says “Wi-Fi has the self-assigned IP address 169.xxx.xxx.xxxx and will not be able to connect to the internet”. It was working earlier today. Restart did not help.

MacBook Air

Posted on Jan 31, 2022 6:25 PM

BobTheFisherman

Posted on Jan 31, 2022 6:49 PM

A router is still required and is provided by the coffee shop etc. If there was no router you would not receive an IP Address. There is something wrong with the router you are connecting to.

Or, you can try this: If your Mac doesn't connect to the Internet over Wi-Fi - Apple Support

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Jan 31, 2022 6:49 PM in response to Gpt95

Jan 31, 2022 6:42 PM in response to BobTheFisherman

What is Optimum WiFi?

It is a network of over 2 million free hotspots where you can  connect  wirelessly to the Internet at super-fast speeds with a WiFi-enabled device. Best of all, it is included with your Internet service at no additional cost.

Optimum hotspots are available in shopping centers, restaurants, cafes, train platforms, parks, marinas, malls, downtowns, and more - the places you go every day.

Available WiFi Networks (SSIDs)

AlticeWiFi:  This is a secure public network. All data going over a secure WiFi network is encrypted so you can safely connect

optimumwifi:  This is an open public network, like when you connect to a coffee shop's open WiFi

cablewifi:  This is a nationwide public network created through a collaboration of U.S. Cable and Internet Service Providers

Jan 31, 2022 6:28 PM in response to Gpt95

Power cycle your router.

Jan 31, 2022 6:31 PM in response to BobTheFisherman

Not using a router.

Jan 31, 2022 6:38 PM in response to Gpt95

What are you connecting to via WiFi in order to connect to the Internet?

IMAGES

  1. How to Fix Self-assigned IP Address Error on Mac

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COMMENTS

  1. How to fix "self-assigned IP address" issue on Mac

    Ava is a die-hard Apple aficionado and seasoned writer with a knack for breaking down complex tech concepts into easily digestible content. Having honed her writing and editing skills over 3 years at renowned media houses like TechBurner, Ava crafts informative and engaging articles including troubleshooting guides, product reviews, editorials at iGeeksBlog.

  2. Wi-Fi has Self-Assigned IP Address

    3) The WIFI network you're on has MAC (no, not the computer Mac, lol) address blocking turned on and doesn't recognize your network card's MAC as a valid client to allow connections. The gotcha here is that 1 and 3 usually only happens on systems that aren't smart enough check and see if the WIFI connection has accepted the password and OK'd it.

  3. How to Fix Self-assigned IP Address Error on Mac

    When a device says it has a "self-assigned IP address" on a WiFi network, it cannot obtain a valid IP address from the router.It can happen for various reasons, such as a conflict with another device on the network with the same IP address or an issue with the router's DHCP (Dynamic Host Configuration Protocol) settings.

  4. What Is A Self Assigned IP Address And How To Fix This Mac Error

    Reset Your Mac's IP Address. If deleting all the files mentioned above doesn't fix your Mac's self-assigned IP address issue, then resetting your Mac's IP address might help solve the problem. Here are the steps you need to follow: Open System Preferences on your Mac. Click on the Network icon.

  5. How To Fix Internet Not Working Due To Self-Assigned IP Address Issue

    Click on the Library folder and go to Preferences. 3. Now click on the SystemConfiguration folder. 4. Next put the following files in trash. 5. Restart your Mac. Once the reboot has taken place the Internet will start working and self assigned IP address issue will be resolved.

  6. Self-Assigned IP Address Error on Mac: How to Fix?

    After creating new location, select either WiFi or Ethernet in the side menu and click on Advanced. 5. On the next screen, switch to TCP/IP tab and click on Renew DHCP Lease. 6. Click on OK to save the new settings. This should certainly fix "Self-Assigned IP Address problem and restore network connectivity on your Mac.

  7. How to Fix the Self Assigned IP Address Issue on Mac

    One way to fix self-assigned IP is to set up new network locations on your Mac. Follow the steps below to make a new network location: Tap on the Apple logo from the menu bar and select 'System preferences'. Enter the 'Network settings' then tap on 'Drop-down menu' near the Location tab. Then tap on 'Edit locations' and tap on ...

  8. How to fix "self-assigned IP address" error on Mac

    Click "Network" and select the network you're connected to. Click on "Details" — you'll open a new window. Go to the "TCP/IP" tab, click on "Renew DHCP lease.". Tap "Apply" to confirm. 3. Check your network settings. Go to "System settings" and tap on "Network.". Select the network connected to the self ...

  9. How To Fix Common Connection Wi-Fi Issue: Self-assigned IP On MacBook

    Tap the Apple menu > System Preferences > Network In this section, make sure that the Location (1) option is set to Automatic, as shown in the figure below, and then click Advanced (2). Source: technobezz After clicking on the Advanced button (2), a new window will appear as shown in the figure below. Click on the TCP/IP tab and you will see ...

  10. Fix Self-Assigned IP Address Issue On Mac

    Method 4. Reset the Firewall. Method 5. Set Service Order. Method 6. Change DNS Servers. Video on Fix Self-Assigned IP Address Issue on Mac. Download Computer Malware Repair Tool. It is recommended to run a free scan with Combo Cleaner - a tool to detect malware and fix computer errors.

  11. What does "self assigned IP address mean"…

    Apply. It means it's not getting an IP handed out to it by the Router or Modem. Make a New Location, Using network locations in Mac OS X ... System Preferences>Network, top of window>Locations>Edit Locations, little plus icon, give it a name. System Preferences>Network, click on the little gear at the bottom next to the + & - icons, (unlock ...

  12. How do I get rid of a self assigned IP address?

    Fill in everything as needed. System Preferences>Network>choose interface>Advanced>Proxies Tab, make sure none are set, like for HTTP & HTTPS. System Preferences>Network, unlock the lock if need be, highlight the Interface you use to connect to Internet, click on the advanced button, click on the DNS tab, click on the little plus icon, then add ...

  13. What is Self-Assigned IP and How to Fix it

    Check your router/modem: If you are connected over Wi-Fi, ensure that your Mac is not too far away from the router/modem. Restart your router/modem and your Mac: You can do this easily. Simply disconnect the power cable to your router/modem. Wait 30 seconds. Then reconnect. Then restart your Mac. Click the Apple menu and select Restart. Renew ...

  14. How To Fix Common Connection Wi-Fi Issue: Self-assigned IP ...

    From the menu bar, click on the Apple logo. Next, head over to System Preferences. Go to Network Settings. Choose your Wi-Fi or Ethernet. Select Advanced and go to the TCP/IP tab. Find the iPv4 Address line, and click on Renew DHCP lease right next to it. Finally, click OK. Create a brand new network location.

  15. Problem connecting Wi-Fi

    I have a problem connecting Wi-Fi. It says "Self-Assigned IP address" when I have renewed DHCP Lease. "No IP address" when I have not. I know this is a known issue. I have followed the general advice that I have found. Deleted these .plist files: com.apple.airport.preferences.plist com.apple.network.identification.plist NetworkInterfaces.plist

  16. WiFi issue: brand new 16" MBP

    The only fix that has mysteriously worked is to change the MAC address. When I run the command line on this forum post, the WiFi successfully connects. However, upon restart, it once again reverts to self-assigned IP. (I believe Catalina doesn't allow MAC address changes).

  17. Wifi Has Self-Assigned Ip Address Mac

    The "Wifi has self-assigned IP address" issue on Mac can be frustrating, but with the right troubleshooting steps, it's often resolvable. By understanding the causes and following the provided guide, you can get back online quickly. Remember to keep your devices updated and to regularly check your network settings to prevent future problems.

  18. Resolve "Self-Assigned IP" Errors for Apple Mac

    7. macOS: Connect to Wi-Fi. Click the Wi-Fi icon in the menu bar. By default it will be in the upper right corner near the time and date. If Wi-Fi is off, choose Turn Wi-Fi on. The strength of each nearby network is shown next to its name. More darkened bars indicate a stronger network connection.

  19. IP address over ethernet is self-assigned…

    It gets a self-assigned IP address, or a green light, but no data comes through. Husband's iMac can connect on ethernet in the office. His iMac doesn't need an adapter, it has an ethernet port. Husband's iMac cannot connect on ethernet in the office if ethernet cable is coming out of a TP-Link TL-SG1005D, 5 Port Gigabit Ethernet Network Switch.

  20. Resolve IP address conflicts on Mac

    Try connecting again. Close the app that is using the connection (such as Safari or Messages), then open the app again. Put your computer to sleep, wait a few minutes, then wake it from sleep. Try connecting again. Close all open apps and restart your computer. If you entered your IP address manually, make sure you entered the correct address.

  21. Apple USB Ethernet Adapter has a self-assigned IP address and will not

    When I replace the IP address with a the Wi-Fi IP address I use to successfully connect to the same network under "Using DHCP with manual address", the Apple USB Ethernet Adapter icon is green and displays the message "Apple USB Ethernet Adapter is currently active and has the IP address xx.xx.xx.252."

  22. Wifi error

    Network page says "Wi-Fi has the self-assigned IP address 169.xxx.xxx.xxxx and will not be able to connect to the internet". It was working earlier today. Restart did not help. MacBook Air. Posted on Jan 31, 2022 6:25 PM. Posted on Jan 31, 2022 6:49 PM. A router is still required and is provided by the coffee shop etc.

  23. MacOS Monterey self assigned IP troubleshooting : r/MacOS

    It reports as "Self Assigned IP" with yellow in Network preferences. This presents as the computer having no internet and showing an assigned IP outside of the range of the DHCP server. I've tried: reboot all devices including router and switch. manual IP address. assigning random number value in "DHCP Client ID" in the TCP/IP ...