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iMac screen gets stuck on red

I recently got an update for my iMac and when computer installs and promptes me to restart my iMac when I click restart my computer starts to boot back upend my screen turns red and and freezes. I can see the little white spinning wheel start rotating but after a second or 2, it freezes and the screen freezes on red....Computer is iMac late 2015

Posted on Aug 4, 2019 11:11 AM

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iMac screen gets stuck on red

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