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My Mac won t turn on

The apple logo appears and the progress bar starts until it turns off again

MacBook Air 13″, OS X 10.11

Posted on Dec 15, 2021 7:59 AM

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Question marked as Top-ranking reply

Posted on Dec 15, 2021 9:37 AM

Start with this...


Safe Boot, (holding Shift key down at startup), does the problem occur in Safe Mode? Could take 10 minutes.


Safe mode attempts to repair Disks & clears lots of caches & loads safe Drivers, & prevents loading of 3rd party extensions, so if Safe Mode works try again in regular boot.

1 reply
Question marked as Top-ranking reply

Dec 15, 2021 9:37 AM in response to romana146

Start with this...


Safe Boot, (holding Shift key down at startup), does the problem occur in Safe Mode? Could take 10 minutes.


Safe mode attempts to repair Disks & clears lots of caches & loads safe Drivers, & prevents loading of 3rd party extensions, so if Safe Mode works try again in regular boot.

My Mac won t turn on

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