wifi no hardware installed?

MAC WIFI NO HARDWARE INSTALLED QUICK FIX

Press and hold the shift+control+option+power buttons together for five seconds. Boot up the system as usual. If you see the wi fi icon without the ‘x,’ it means that this step has been successful, and it indicates that the wifi system is working.

MacBook wifi : No Hardware Installed Problem

https://www.youtube.com/watch?v=JmVQy9dAGsI

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