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iMac powers up but when progress bar is half way screen turns off

Wont boot up logo comes on and progress bar opens 50% then powers down


iMac 21.5", OS X 10.11

Posted on Dec 14, 2019 2:18 PM

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Posted on Dec 14, 2019 2:56 PM

Please read If your Mac doesn't turn on or start up - Apple Support.


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iMac powers up but when progress bar is half way screen turns off

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