Resetting Wi-Fi preferences

Tags mac how-to

If your wireless connection is not working these are instructions to reset the Wi-Fi settings


Trash Existing Wi-Fi Preferences in OS X to Start Fresh.


Mac, Apple, OS X, Wi-Fi, wireless


  1. Create a new folder on your Desktop called ‘Wi-Fi prefs backup’ or something obvious.
  2. Turn off Wi-Fi from the menu item in the upper right corner of the OS X.
  3. Go to the Finder (the smiley face icon in the Dock), and press Command+Shift+G to bring up the Go To Folder command, choose the following path exactly: /Library/Preferences/SystemConfiguration/
  4. Press Return to go to that folder, then locate and select the following files:

    • NetworkInterfaces.plist
    • preferences.plist
  5. Move all of these files into the folder you created in Step 1 on the desktop (you can also delete them if you’re confident and have made a backup).
  6. Reboot the Mac.
  7. Turn on Wi-Fi from the wireless network menu again in the upper right corner of OS X.

If your Wi-Fi works now, great, but for most users, you’re not quite finished yet! Now you need to create a new custom network location.

(This information is copied from:


Article ID: 1830
Wed 5/27/20 11:23 AM
Thu 7/29/21 2:03 PM