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On my Mac when using video or photo capture on screen - o/c I am left with a highlighted square on my desktop

On my Mac when using video or photo capture on screen - o/c I am left with a highlighted square on my desktop - and have to restart my Mac to clear it


iMac 21.5″, macOS 10.13

Posted on Jan 8, 2022 3:28 PM

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Question marked as Top-ranking reply

Posted on Jan 8, 2022 4:16 PM

Give this a try: boot into Safe Mode according to How to use safe mode on your Mac and test to see if the problem persists. Reboot normally and test again.


NOTE: Safe Mode boot can take up to 3 - 5 minutes as it's doing the following; 

• Verifies your startup disk and attempts to repair directory issues, if needed

• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)

• Prevents Startup Items and Login Items from opening automatically

• Disables user-installed fonts 

• Deletes font caches, kernel cache, and other system cache files


1 reply
Question marked as Top-ranking reply

Jan 8, 2022 4:16 PM in response to jenny1250

Give this a try: boot into Safe Mode according to How to use safe mode on your Mac and test to see if the problem persists. Reboot normally and test again.


NOTE: Safe Mode boot can take up to 3 - 5 minutes as it's doing the following; 

• Verifies your startup disk and attempts to repair directory issues, if needed

• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)

• Prevents Startup Items and Login Items from opening automatically

• Disables user-installed fonts 

• Deletes font caches, kernel cache, and other system cache files


On my Mac when using video or photo capture on screen - o/c I am left with a highlighted square on my desktop

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