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Starting problems

When I restart my Macbook Air, a question mark appears on the screen

MacBook Air 13″, macOS 10.15

Posted on Sep 4, 2021 2:37 AM

Top-ranking reply

kaz-k

Level 9

50,232 points

Posted on Sep 4, 2021 4:41 AM

Hi,

It means your MacBook Air can't find the macOS to boot. Resetting NVRAM could solve the issue.

Reset NVRAM or PRAM on your Mac - Apple Support

If it doesn't help, you'd better make Genius Bar reservation if your local retail Apple Store is open or find opened local Apple Authorized Service Provider to be examined your MacBook Air.

Genius Bar Reservation and Apple Support Options - Apple

Apple - Find Locations - Location Selector

Also following document could help your issue.

If your Mac starts up to a question mark - Apple Support

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