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I have an iMac 21.5 inch mid 2011. The window on the screen keeps bouncing to the side

The page or pages that are open on the screen keep jumping to the side or the bottom or the top. Sometimes it just reverts to the screen with all my most used apps on it. Is there something in set up that I accidentally toggled or what is the problem, please. It is very annoying and distracting.

iMac 21.5″, macOS 10.13

Posted on Jun 5, 2022 2:28 PM

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Posted on Jun 6, 2022 9:51 AM

Have you restarted? If not, do so. If no joy, restart in safe mode, let it sit for 10 minutes then do a normal restart.


Start up your Mac in safe mode - Apple Support


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I have an iMac 21.5 inch mid 2011. The window on the screen keeps bouncing to the side

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