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Squares on my Mac screen

Somehow on my Mac I have squares that come up on every screen. And there is a sound also. I is very annoying and I don't know how to remove the square, sometimes big, sometimes small. I would appreciate any help

iMac 27″, macOS 10.15

Posted on Dec 6, 2022 6:54 AM

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Posted on Dec 6, 2022 7:06 AM

Can you post a screen shot?

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Squares on my Mac screen

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