Mac doesn't even have wifi? Apple notebooks don't even have WiFi solutions

What if the Mac doesn't even have wifi? Green tea small weave fat brought Apple Mac system not even WiFi solution, some users say suddenly or wake up after the Mac is not even WiFi, how to solve it? I hope the following methods will help you.

One, open the finder of the Mac;

Second, click the File menu and choose New Finder window, as shown in the figure.

Third, click on your Mac in the device list in the sidebar icon.

Turn on the Macintosh hard drive, as shown in the figure.

Open the resource pool.

Find the Preferences folder in the Repository, as shown in the figure.

Click into the folder to find the name "com.apple.Bluetooth.plist" file;

Eight, move it to the desktop, so that a copy is made;

Ix. remove the file from the Preferences folder, and the Finder needs to enter your password to allow the change to be made.

After you restart the Mac, this problem should be resolved, if not resolved, then consider whether your Mac has a hardware problem.