My macbook air suddenly didn't have wifi this morning and was saying hardware not installed. Tried doing the various solutions of resetting and then tried deleting the wifi and following those directions and now appears I can't add wifi. Help!
MacBook Air 13″, macOS 10.13
Hi,
Try to check your MacBook Air WiFi module with Apple Diagnostics if it reports WiFi related error.
Use Apple Diagnostics to test your Mac - Apple Support
Apple Diagnostics reference codes - Apple Support
If it doesn't help or error reported, contact Apple Support or make Genius Bar reservation if your local retail AppleStore is open or find opened local Apple Authorized Service Provider to be examined your MacBook Air.
https://www.apple.com/retail/geniusbar/
Apple - Find Locations - Location Selector
Hi,
Try to check your MacBook Air WiFi module with Apple Diagnostics if it reports WiFi related error.
Use Apple Diagnostics to test your Mac - Apple Support
Apple Diagnostics reference codes - Apple Support
If it doesn't help or error reported, contact Apple Support or make Genius Bar reservation if your local retail AppleStore is open or find opened local Apple Authorized Service Provider to be examined your MacBook Air.
https://www.apple.com/retail/geniusbar/
Apple - Find Locations - Location Selector
Wifi not installed
