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I have Mac desktop 10.15.7 and the left shift key is opening the desktop, not capitalizing. New keyboard still does same. How to fix? I've tried everything I can find on it.

Mac desktop keyboard: left shift key opens desktop instead of capitalizing. I have 10.15.7. New keyboard doing the same thing. I've tried everything from resetting factory settings, and everything I can find on it in the forums, plus more. Is there a solution?

iMac 21.5″, macOS 10.15

Posted on Jul 14, 2022 11:37 AM

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Question marked as Top-ranking reply

Posted on Jul 14, 2022 12:09 PM

Please restart the computer in Safe Mode per the directions in the  How to use safe mode on your Mac - Apple Support link. 


Note: If you are using a wireless keyboard please either plug it in using the supplied Lightning cable that shipped with it. If you are using a legacy keyboard or a third-party keyboard that does not have re-charging abilities, please use any USB keyboard. Also note that a Safe Mode restart may require you to hold down the shift key for up to 5 minutes before the computer starts in Safe Mode. You will know it is in Safe Mode when you see “Safe Mode” in the upper right of the display.


After restarting in Safe Mode, then restart normally and test.

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Question marked as Top-ranking reply

Jul 14, 2022 12:09 PM in response to Scottish lassie

Please restart the computer in Safe Mode per the directions in the  How to use safe mode on your Mac - Apple Support link. 


Note: If you are using a wireless keyboard please either plug it in using the supplied Lightning cable that shipped with it. If you are using a legacy keyboard or a third-party keyboard that does not have re-charging abilities, please use any USB keyboard. Also note that a Safe Mode restart may require you to hold down the shift key for up to 5 minutes before the computer starts in Safe Mode. You will know it is in Safe Mode when you see “Safe Mode” in the upper right of the display.


After restarting in Safe Mode, then restart normally and test.

I have Mac desktop 10.15.7 and the left shift key is opening the desktop, not capitalizing. New keyboard still does same. How to fix? I've tried everything I can find on it.

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