Can't add Wi-Fi driver on Mojave?

Discussion in 'macOS Mojave (10.14)' started by sweetnamese, Apr 23, 2019.

  1. sweetnamese, Apr 23, 2019
    Last edited: Apr 24, 2019

    sweetnamese macrumors newbie

    Joined:
    Apr 23, 2019
    #1
    Hi there,

    Not completely sure how this happened, but my Wi-fi was deleted off the Network's settings list. I've tried adding it back by click on the '+' sign and selecting Wifi. For some reason, it doesn't auto list itself as an additional connection. I tested it on other "Interface" like Thunderbolt or Bluetooth and it works fine (it's added to the Network list).

    The status bar icon for Wi-Fi has a '!' on it with a drop-down that doesn't show all surrounding wifi networks.

    Would anyone happen to have an answer and fix to this issue? It's strange and has never happened before.

    I'm using a Macbook Pro 2012 with upgraded OS (Mojave), 16GB RAM and 1TB SSD.
     

    Attached Files:

  2. sweetnamese thread starter macrumors newbie

    Joined:
    Apr 23, 2019
  3. Mr_Brightside_@ macrumors 68030

    Mr_Brightside_@

    Joined:
    Sep 23, 2005
    Location:
    Toronto
    #3
    I notice your Location is April 2019. Can you try changing it back to Automatic?
     
  4. sweetnamese thread starter macrumors newbie

    Joined:
    Apr 23, 2019
    #4
    Hi,

    I've had it on Automatic as well and it didn't work. I created the April 2019 location to test the default networks list.

    I've also removed Wifi from Thunderbolt bridge network to create a separate one on it's own and see if it would work, it did not. I feel like I'm close, but missing something.
     

    Attached Files:

  5. sweetnamese thread starter macrumors newbie

    Joined:
    Apr 23, 2019
    #5
    Hi all,

    I've found a fix!

    http://www.iphonehacks.com/2014/11/wi-fi-problems-mac-os-x-yosemite.html

    Mac OS Mojave doesn't' allow the SystemConfiguration folder itself to be deleted, but the files inside it can with authorization password. Delete it after making a backup, do not clear trash. Restart the computer, then WAHH-LAAA, the wifi interface is restored!!
     

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4 April 23, 2019