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iMac (OS 10.11.6). Mouse is acting erratically - cursor is jumping all over screen.
I'd appreciate any suggestions.
iMac 21.5″, OS X 10.11
Two simple things to do: clean the optical sensor and try a different mouse mat.
Two simple things to do: clean the optical sensor and try a different mouse mat.
The following will require any USB keyboard and mouse. If you don’t have them, borrow or buy them, they are inexpensive!
Your welcome, those steps cure most mouse and keyboard maladies.
Thank you for your note.
How to cure an erratic mouse?
