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Red square covers screen when I preview images on MacOS Monterrey 12.3

I recently updated my 27" iMac to Monterrey 12.3, when opening images in quick look a giant red square covers my screen for a solid second.

Posted on Mar 28, 2022 8:32 PM

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Posted on Mar 28, 2022 9:28 PM

Hey again! Good to know it’s random. Others may know a more specific resolution if they’ve seen this, but I would suggest testing the issue in Safe Mode, and/or in a new user account, this may help to narrow down a cause:


Start up your Mac in safe mode - Apple Support


Set up users, guests, and groups on Mac - Apple Support


Hope something here helps!


3 replies
Question marked as Best reply

Mar 28, 2022 9:28 PM in response to Vincent_Van_Gohan

Hey again! Good to know it’s random. Others may know a more specific resolution if they’ve seen this, but I would suggest testing the issue in Safe Mode, and/or in a new user account, this may help to narrow down a cause:


Start up your Mac in safe mode - Apple Support


Set up users, guests, and groups on Mac - Apple Support


Hope something here helps!


Red square covers screen when I preview images on MacOS Monterrey 12.3

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