Internet not Working Due to Self-Assigned IP Address on Mac: How to Fix the Issue

Due to the self-assigned IP address, the Internet may not work properly on your Mac. We have tried out this simple trick and found it very effective in resolving this issue. Give this solution a try if you are also encountering the same issue on your macOS device and do toss up your feedback in the comments!

At times, Mac assigns itself an IP address, which prevents the Internet from working. Even if the computer is connected to Wi-Fi network, you won’t be able to use the Internet. To fix Internet not working error due to the self-assigned IP address on Mac, you will have to wipe out some files.

Don’t worry the process isn’t quite lengthy and works reliably. The other day, I encountered this same issue and was able to troubleshoot it by following this trick.

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How to Fix Self-Assigned IP Address Issue on Mac running macOS High Sierra or Later

Step #1. Launch finder on your Mac.

Step #2. Now, click on Macintosh HD.

Step #3. Now, you need to click on the Library folder and head over to Preferences.

Click on Library in Mac Hard DiskClick on Preferences Folder on Mac

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Step #4. Next, click on the System Configuration folder.

Click on System Configuration in Mac

Step #5. Next up, you have to move the following files in the trash.

  • NetworkInterfaces.plist

Internet not Working Due to Self-Assigned IP Address on Mac

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Step #6. Finally, restart your Mac.

Note: If Macintosh HD is not available in the Finder sidebar, click on the Finder menu → Preferences → click on the “Sidebar” tab → Under “Show these items in the sidebar” click on “Hard disks.”

Click on Preferences in Finder on Mac

Click on Sidebar in Finder Preferences on Mac

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Show Hard disk in Finder Sidebar on Mac

That’s done!

After your computer has restarted, self-assigned IP address issue will be gone, and you will be able to use the Internet without any problem.

Wrap up:

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Has this tricked worked in fixing the problem? Having your feedback in the comments below would be great.

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Jignesh Padhiyar
Jignesh Padhiyar is the co-founder of who has a keen eye for news, rumors and all the unusual stuff that happens around Apple products. During his tight schedule, Jignesh finds some moments of respite to share side-splitting contents on social media.
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