Fix Wifi is not working in Mac OS X 10.11 El Capitan


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How to fix if WiFi does not work right away in Mac OS X 10.11? Look at our solutions to get out of the most common WiFi issues in El Capitan.

Fresh Wi-Fi Preferences in OS X 10.11
Removing all existing WiFi setting would help to solve the problems.
Step 1: Turn Off the WiFi
Step 2: From Finder window, access “Go To Folder” by the combination of “Command+Shift+G”.
Step 3: Fill the following line, then hit Enter.

/Library/Preferences/SystemConfiguration/

Step 4: In SystemConfiguration folder, locate and delete all the following files:

com.apple.airport.preferences.plist com.apple.network.identification.plist
com.apple.wifi.message-tracer.plist
NetworkInterfaces.plist
preferences.plist

Step 5: Restart your Mac, then Turn On WiFi to see if it works normally.