How to fix if Ethernet not working in Mac OS X 10.11 El Capitan


Too many users have been facing Ethernet does not work in El Capitan after upgrading to Mac OS X 10.11. How to fix completely?

  • Next, delete and remove completely NetworkInterfaces.plist (Found in /Library/Preferences/SystemConfiguration/NetworkInterfaces.plist) and the preferences.plist (Found in /Library/Preferences/SystemConfiguration/preferences.plist).
  • Restart your Mac
  • After Reboot go to System Preferences > Network and add all network interfaces (wi-fi Ethernet and other).