If it IS detected in the external OS but not detected in your internal (and the previous three steps did not resolve it), I'd reinstall Mac OS X. If WiFi is still not detected in that external OS, it's likely a hardware issue. NOTE: The /Library is sometimes called 'root' or 'local' library and is found at the root of your drive alongside "Applications", "System", and "Users."Ĥ) If you have Mac OS X installed on an external drive, you can boot into Startup Manager and boot from that drive. After installing the updated OS, you can access the new diagnostic tool by holding down the Option key when clicking on the Wi-Fi icon. Restart your computer and see if WiFi is detected. Then move the original to the trash (you'll have to authenticate as an admin). Download Mac OS X 10.8 Mountain Lion is available for older systems that are not compatible with the latest version of macOS and requires the following: OS X Snow Leopard 10.6.8, Lion 10.7, or Mountain Lion 10.8 already installed 2 GB of memory 8 GB of available space Some features require an Apple ID terms apply. If the issue DOES persist in another user.ģ) Navigate to /Library/Preferences/SystemConfiguration/ist and copy it to your Desktop. The only item inside the user folder that MIGHT deal with network interfaces would be in "Preferences," but in my experience I haven't found anything in there that would deal with the network interfaces. Instructions on how to find the user library can be found here. Two installers included: 10.8.0 InstallESD and 10.8.2 App Store app. If it does not persist in the other user, the issue is likely related to a preference in the user library of the first user. This is OS X Mountain Lion, released in mid 2012. If it's not listed as available.Ģ) Login as another user and see if the issue persists. This answer is based on the ifconfig reporting that en1 status is "inactive."įor troubleshooting purposes, try the following:ġ) Remove the WiFi interface from the list of available network interfaces in System Preferences, restart the computer, then try to re-add it. Go to System Preferences > Network, select the WiFi interface, click the action button (gear icon in the lower left), and select "Make Service Active."
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