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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  • Outdated macOS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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Technology Simplified.

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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What is Self-Assigned IP and How to Fix it

mac self assigned ip reddit

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 self assigned ip reddit

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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What does “self assigned IP address mean” ? I’m unable to connect to internet.

What does “self assigned IP address mean on my Mac” ? Can’t connect to internet.

Posted on Feb 28, 2022 1:39 PM

BDAqua

Posted on Feb 28, 2022 2:08 PM

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 lock first if locked), choose Set Service Order.

The interface that connects to the Internet should be dragged to the top of the list.

Sys Prefs>Network>highlight the Interface you're using>Advanced>TCP/IP>Configure IPv4: Using DHCP.

If using Wifi, instead of joining your Network from the list, click the WiFi icon at the top, and click join other network. 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 these numbers...

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Feb 28, 2022 2:08 PM in response to 2177-Burgh

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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Macbook self-assigning IP address, can't connect to wifi

  • Thread starter neonbliss
  • Start date Apr 11, 2014
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  • Mac Basics, Help and Buying Advice

macrumors newbie

  • Apr 11, 2014

I did an extensive search for this question and I saw that some people had it resolved but I tried most of the suggestions and didn't have any luck. Last night i was using my macbook on the internet with no problems, went to bed and when I woke up in the morning I tried to check my email and the exclamation point showed up in the top bar. Someone else has a macbook pro in our house and they can get online with no problem, but for whatever reason I've been booted off and can't get back on. I read some comments that said sometimes another computer can "steal" the IP address of your computer and maybe that's what happened to me? When I go into my network preferences it says Status: On but it has a self-assigned IP address 169.254.18.44 and will not be able to connect to the internet. I've tried rebooting the system, rebooting my computer, deleting the wifi passwords off my keychain access, removing the network names and readding them.... nothing seems to work. So... please help? Thanks!  

satcomer

Do this now! 1. Turn off your wireless in your troubled Mac. 2. Open System Preferences->Network tab and highlight your Airport card. 3. In the right hand pane click on the 'Advanced' button. 4. In the main 'Wi-Fi' mini-tab delete all 'Previous Networks' connections. 5. The save out and then go to the application /Applications/Utilities/ Keychain Access.app and in that application find the entries for your wireless router. 6. Then go back into your System Preferences->Network pane and highlight your Wi-Fi card again and use the pane to turn on your wireless again and use that to rejoin your wireless network. 7. Put in your username/password again and rejoin and save the password again. 8. Enjoy.  

highlight your Wi-Fi card again and use the jane to turn on your wireless again and use that to rejoin your wireless network. Click to expand...
neonbliss said: Tried all of that and still nothing. when you put: what did you mean by "jane"? Other that I did everything exactly how you said it and still jumped back to self-assigned IP. Click to expand...

r0k

macrumors 68040

  • Apr 14, 2014

hiddenmarkov

Macrumors 6502a.

The 169.x.x.x is what is called an APIPA address. Long story short you are not pulling an ip address from a dhcp server (built into the home router in your case). When you don't do this the computer will give you a 169.x.x.x address. have you tried to connect using a wired connection? You may want to isolate maybe the wireless nic having issues. If wired works, console/gui into your router and check its settings.  

  • Sep 5, 2014

Just seen this post. I appreciate it's a few months' old now, and I hope the OP's solved his issue by now! The reason for my post is that I have just recovered from a very similar, if not identical, problem. It was an extension conflict that caused my issue. I've written up my solution here, in case it's of use to anyone: https://discussions.apple.com/thread/5507690?start=30&tstart=0  

  • Jan 9, 2015
  • May 24, 2015

I have this issue... Again... Had it 8 months ago when I moved house- it wouldn't connect to a BT hotspot, it was like it was stuck on a cycle. After a while it would come up with a landing page and it would magically work. Worked fine on a BT router for eight months- not once an issue. Three days ago, it's back with avengance. First few days it would eventually connect if I kept renewing the dhcp licence and keep restarting the laptop and router. Third day in- no amount of restarting is doing anything. Constantly says 'connection time out' or the dreaded 'self-assigned ip'. It isn't the wrong password, nothing in the key chain, and my phone and tablet will context fine. Ideas?  

grahamgraham

grahamgraham

  • Jun 16, 2015

I know this is about a year old, but let me share with you what worked for me: I had the same issue, I had no issue connecting to the internet, then one day, it would connect, but my macbook had self assigned an IP of 169.xxx.xxx.xxx, and said that it would be unable to connect to the internet. I deleted the entry in my recently connected list and turned off my wireless. I took a random guess at what the IP of the router I was using is (because I work at a summer camp, so it's not my router) and tried the usual 192.168.1.x. I changed my wireless from DHCP, and assigned it a 192.168.1.138 IP, with a 255.255.255.0 subnet, then assigned the router as 192.168.1.1. I tried to reconnect, and it worked!  

GuidC0DE

  • Jun 6, 2016

I tried above solutions and nothing helped me. So, finally I fixed my problem by changing wireless mode of my router. My router supports 11b, 11g and 11n modes. And it was set to mixed 11bgn mode with automatic channel bandwidth. 11n mode is preferred and it supports 40 Mhz bandwidth and chooses this bandwidth by default. But when I looked at connection statistics in my mac I found that adapter works in 11n 20MHz. So, I limited my router and set manually 20MHz instead auto. Now mac can detect IP address and everything works great.  

jake's not feeling well

  • Dec 13, 2016

To the OP, my Macbook iOS 10.11, had to use airport utility>advanced>DHCP, changed the beginning of the range's last value to 1 and the ending of the range's value to 40. The router restarted and everything worked.  

  • Dec 30, 2016
grahamgraham said: I know this is about a year old, but let me share with you what worked for me: I had the same issue, I had no issue connecting to the internet, then one day, it would connect, but my macbook had self assigned an IP of 169.xxx.xxx.xxx, and said that it would be unable to connect to the internet. I deleted the entry in my recently connected list and turned off my wireless. I took a random guess at what the IP of the router I was using is (because I work at a summer camp, so it's not my router) and tried the usual 192.168.1.x. I changed my wireless from DHCP, and assigned it a 192.168.1.138 IP, with a 255.255.255.0 subnet, then assigned the router as 192.168.1.1. I tried to reconnect, and it worked! Click to expand...

macrumors 65816

That's not a good idea. If you do that, the router's DHCP server will not be aware of your fixed IP address and may run into conflicts if it tries to assign that IP address to another users. So while assigning a fixed IP address may solve your problem, it may cause problems for other users.  

JohnDS said: That's not a good idea. If you do that, the router's DHCP server will not be aware of your fixed IP address and may run into conflicts if it tries to assign that IP address to another users. So while assigning a fixed IP address may solve your problem, it may cause problems for other users. Click to expand...

I don't know why the computer is doing that. You could try resetting the NVRAM by cold booting while holding down the command-option-p-r key combination until you hear the boot chime a third time. If you have to use a fixed IP, try to pick one well away from the IP's that the DCHP server seems to be using, perhaps 192.168.1.250 [doublepost=1483123609][/doublepost]You can try this suggestion from https://www.cnet.com/news/fix-self-assigned-ip-addresses-in-os-x/ To reset the firewall, go to the /Macintosh HD/Library/Preferences/ folder and remove the file called "com.apple.alf.plist," and then restart your computer. After the system boots, you may be prompted to allow incoming connections to numerous programs and services, so accept these for now (you can always go to the Firewall settings and deny or remove entries later on) and then try connecting to the network again. While configuration changes from migrating or restoring a system can lead to this problem, at other times major system crashes or power outages can do the same.​  

JediMindBang

JediMindBang

  • Feb 14, 2017
satcomer said: Do this now! 1. Turn off your wireless in your troubled Mac. 2. Open System Preferences->Network tab and highlight your Airport card. 3. In the right hand pane click on the 'Advanced' button. 4. In the main 'Wi-Fi' mini-tab delete all 'Previous Networks' connections. 5. The save out and then go to the application /Applications/Utilities/ Keychain Access.app and in that application find the entries for your wireless router. 6. Then go back into your System Preferences->Network pane and highlight your Wi-Fi card again and use the pane to turn on your wireless again and use that to rejoin your wireless network. 7. Put in your username/password again and rejoin and save the password again. 8. Enjoy. Click to expand...

Macuser86712

Macuser86712

  • Feb 24, 2018
GEA78 said: This is a post for dummies, like myself, so apologize my non-tech language I had the self-assigned IP problem for a week and tried all possible easy fixes: -Reboot modem and devices (twice, sounds like voodoo to me) -Opened system preferences/network/advanced/TCP/IP clicked renew DHCP license -->this would allow sometime one device to connect, but not all devices at once -Opened system preferences/network/advanced/TCP/IP and under configure IPv6 clicked link-local only (same results as above) -Even ruled out "interferences" setting up a 5.2 Ghz network (sorry if I'm using the wrong words, like I said, I'm quite ignorant about this) Nothing worked. My set up was a modem, three powerline extenders that connected via ethernet to 1) an airport express, 2) an i-mac, 3) an apple TV (if you have no idea what a powerline is read side note below on powerlines) I finally understood what the problem was: I could only connect one device at the time, meaning that if I restarted the modem with only one device connected that device would work. If I had two or more connected the remaining devices had a self-assigned IPs. Now for you dummies-like-me out there (I apologize to all techies out there for using wrong words, concepts etc... the modem receives internet from provider and gives it to your home. Internet works in numbers (IP addresses) that tell your modem what devices are connected to it. Now, modems tpically, can connect to one thing at the time. To connect multiple devices you need a router. The router looks exactly like a modem to me (ha ha) it's another little black box, but it will have multiple ethernet ports on its back. Airport express can work as routers (theoretically, as it turned out mine wasn't). The router generates a range of IP addresses, for example, if you are using your airport express as a router you can see the range under system preferences/network/advanced/TCP/IP it could be 10.10.00.01 to 10.10.00.200 (probably not, maybe this is an impossible range, like I said, dummy here, but it will look something like this to other dummies out there). Now, if that is your range and your devices have an IP address of 169.225.xxx.xxx you have a problem. Your device has an IP address not in the range determined by your router= you have no internet. To find the IP address of your device: on a mac system preferences/network/advanced/TCP/IP (I think it's the IPv4 address... maybe and it should have the first bunch of numbers identical to your router or within the range determined by your airport express) on my apple TV it was under settings/general/connection The problem: I finally determined that the problem was that my airport express, for some reason, could only assign one IP address at the time. If all 3 devices were connected, only one would get a valid IP address. Basically, it was not doing its router job. Apple support were sweet as pie but useless and told me it was a problem due to my provider (which wasn't). The fix: I plugged my modem into an old router I had lying around in the house from my pre-airport express days, restarted the modem and everything went back to normal I almost cried for joy. My current set up: 1-cable from provider into modem 2-ethernet cable from modem into router (into the internet port, not one of the numbered ethernet ports) 3-ethernet cable from one of the numbered ports of the router into ethernet port of powerline extender, plugged into a wall 4a-2nd powerline extender plugged into a wall on a different floor. Ethernet cable out of that into my airport express to generate wi-fi 4b-3rd powerline into a different wall plug. Ethernet from that to i-mac 4c-4th powerline into different plug connected through ethernet to my apple TV I hope this helps! Side note on powerline extenders: I live in a big old house with thick walls and wi-fi won't reach everywhere. Powerline extenders are magic portals that allow your internet to travel through walls (ha ha). I have TP-LINK (TP-link TL-PA511 KIT AV500 Powerline Gigabit Adapter Starter Kit, up to 500Mbps). They're $60 a pair on amazon. The way they work: plug an ethernet cable from your router into the powerline, plugged into the wall (they have to be plugged into the wall to work!). Plug another powerline anywhere into your house (within a ridiculous distance, maybe 300 meters/yards or so) and internet will come out of that precious little thing at the same speed it came out of your modem=magic. Side note on airport express: I think my airport express is glitchy but that said, I used airport utility to set it up. How? On a mac just look for airport utility (apple key+ space to open the search tab). From there click on wi-fi. If the utility does not see your airport express reset it with a pen, clicking that little spot that can only be pushed with a pen till the yellow light pulses fast a few times. For me, sometimes, it takes a couple of clickings to get there. Then wait. On the utility after a while if you click on "other wi-fi devices" on the up-left corner you'll see a number in the scrolldown menu: that's your reset airport express. Select it. Set it to create a wi-fi network (if that's what you need) name the network, assign a password and you should be all set. Click to expand...

AlKhan626

  • Mar 3, 2018
  • Mar 14, 2018
AlKhan626 said: In step 5, what do I do when I find the entries for wireless router in Keychain Access App?! Do I delete them?! Click to expand...
  • Dec 15, 2018
JohnDS said: [doublepost=1483123609][/doublepost]You can try this suggestion from https://www.cnet.com/news/fix-self-assigned-ip-addresses-in-os-x/ To reset the firewall, go to the /Macintosh HD/Library/Preferences/ folder and remove the file called "com.apple.alf.plist," and then restart your computer. After the system boots, you may be prompted to allow incoming connections to numerous programs and services, so accept these for now (you can always go to the Firewall settings and deny or remove entries later on) and then try connecting to the network again. While configuration changes from migrating or restoring a system can lead to this problem, at other times major system crashes or power outages can do the same.​ Click to expand...

Dominicanyor

Dominicanyor

  • Dec 19, 2019

I’m having the same issue. I’m using an eero mesh system. Is their an actual permanent fix with this issue?  

JediMindBang said: I tried a million things and made an account just to say thank you. THIS is the BEST answer to this question. I went through all the other methods. Thank you very much sir Click to expand...

hobowankenobi

Macrumors 68020.

  • IPv4: Manually
  • IP: 192.16.8.101*
  • Subnet Mask: 255.255.255.0
  • Router: 192.168.1.1
  • DNS: 192.168.1.1**
  • *The manual IP can be anything between .1 and .254....as long as it is not already assigned to any device via DHCP, so any address beyond the DHCP range should be fine.
  • **DNS settings can vary, one could instead use Google: 8.8.8.8 instead of the router IP.
  • If this is a portable, this setting will only work on your network; joining any other network would require changing the location back to the default (Automatic) DHCP config.
hobowankenobi said: When I see this, I do wonder if it just a DHCP issue from the router. Short of fixing or replacing the router...the "fixes" may vary widely, and are not really fixes, they are temp band-aids. One way to check would be to not use DHCP. To test, one could manually assign a fixed IP. This assumes that the user can find out their DHCP setup, and assign an appropriate static IP. --- Example for common defaults, but can vary widely by router and configuration . This example assumes this default config: ROUTER IP: 192.168.1.1 DHCP RANGE: 192.168.1.2 through 192.168.100 1. Create a new Location for wifi interface (named something clear, like Test Static IP) 2. Configure Settings in new Location: IPv4: Manually IP: 192.16.8.101* Subnet Mask: 255.255.255.0 Router: 192.168.1.1 DNS: 192.168.1.1** Important bits: *The manual IP can be anything between .1 and .254....as long as it is not already assigned to any device via DHCP, so any address beyond the DHCP range should be fine. **DNS settings can vary, one could instead use Google: 8.8.8.8 instead of the router IP. If this is a portable, this setting will only work on your network; joining any other network would require changing the location back to the default (Automatic) DHCP config. With the new Location selected, is the issue resolved? If yes...then DHCP on the router is likely the culprit. Click to expand...

IMAGES

  1. wifi has self assigned ip address

    mac self assigned ip reddit

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

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

    mac self assigned ip reddit

  4. What is Self-Assigned IP and How to Fix it • macReports

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

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

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  2. Easy Fix for Self Assigned IP Address Issue on Mac OS X via Keychain Access

  3. How To Find Your IP address in Windows 11

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COMMENTS

  1. 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 ...

  2. How do I get rid of a self assigned IP ad…

    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 ...

  3. I see this weird computer on my Shared Area. My Mac is the ...

    This will show you what the IP address is, which will probably be some number like 192.168.1.69. Go to your router and see which device is assigned that IP address. How you do this is going to depend on the brand of router, so I can't really walk you through that. Note if the IP address ends with .1, then it's almost certainly the router ...

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

    To fix the self-assigned IP error on a Mac. 1. Reset your network preferences on Mac 2. Renew DHCP lease on macOS 3. Create a new network location 4. Reset the ...

  5. IP address over ethernet is self-assigned…

    Summary: MacBook air would only connect to the internet if straight from the router (with the Belkin adapter, as it does not have an ethernet port). If I need to add another step to this physical connection (through the CAT5e socket at the wall in the office, or the TP-Link switch) it self-assigns an address. This is the case for husband's iMac ...

  6. Fixing Self-Assigned IP Address Issue

    Don't assign a static IP via your Mac, use DHCP. If you want to use static addresses then manage that through your router. ... is that you are simply not connecting properly to the wifi network. You have a self-assigned IP because of this. The self-assigned IP isn't a specific symptom of a particular issue. ... Facebook Twitter Reddit Email ...

  7. 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 ...

  8. 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.

  9. Self assigned IP with Mac Mini M1

    The solution was to start the Mini in Safe Mode and that. allowed a wifi connection to be established with an automatic IP. address. We found that the ThunderBird App while not compatible with. M1 provided a prompt to download Rosetta 2. With Rosetta 2 installed. the Mac Mini was rebooted and was still able to get an IP adddress.

  10. How to Fix Self-Assigned IP Address Issue on Mac

    1: Restart Your Mac and Router. The first and simplest solution is to restart your Mac and your router. Sometimes, a temporary glitch can cause the self-assigned IP address problem. By restarting ...

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

    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 ...

  12. 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 ...

  13. 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 ...

  14. Macbook self-assigning IP address, can't connect to wifi

    6. Then go back into your System Preferences->Network pane and highlight your Wi-Fi card again and use the pane to turn on your wireless again and use that to rejoin your wireless network. 7. Put in your username/password again and rejoin and save the password again.

  15. 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.