Delete all WiFi configuration files Turn off WiFi by clicking the Turn WiFi Off in the menu bar. Go to Finder and click Go and Go To Folder… (or press Command+Shift+G) Enter the following and click Go /Library/Preferences/SystemConfiguration/ Select the following files and move to trash: com.apple.airport.preferences.plist com.apple.network.identification.plist com.apple.wifi.message-tracer.plist NetworkInterfaces.plist preferences.plist Empty trash Reboot Mac … Continue reading Mac | WiFi Unable to connect to any networks