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Mouse moves diagonally when moved left and right.

Recently my usb mouse has been moving diagonally when I move it left and right. At first I thought it was my mouse but when I used it on my brother's windows computer, it worked fine. I'm using Mojave and I don't know how to fix it.

MacBook Pro 13″, macOS 10.13

Posted on Aug 2, 2020 12:07 PM

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Question marked as Top-ranking reply

Posted on Aug 3, 2020 9:22 AM

Boot into Safe Mode (How to use safe mode on your Mac - Apple Support) by booting with the Shift key held down and check there to see if the problem persists.  Reboot normally and test again.

NOTE: Safe Mode boot can take up to 10 minutes as it's doing some system cache cleaning, volume verifying and directory repairing. 

Also log into another admin user account, Set up users, guests, and groups on Mac and see if the problem persists. (This tells us if the problem is limited to your user account or is system wide).




8 replies
Question marked as Top-ranking reply

Aug 3, 2020 9:22 AM in response to vinnyhuang

Boot into Safe Mode (How to use safe mode on your Mac - Apple Support) by booting with the Shift key held down and check there to see if the problem persists.  Reboot normally and test again.

NOTE: Safe Mode boot can take up to 10 minutes as it's doing some system cache cleaning, volume verifying and directory repairing. 

Also log into another admin user account, Set up users, guests, and groups on Mac and see if the problem persists. (This tells us if the problem is limited to your user account or is system wide).




Mouse moves diagonally when moved left and right.

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