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johndbob Author

Level 1

12 points

Mouse

I have a new iMac and the mouse is inconsistent jumps. How do I fix it?

iMac 27", macOS 10.14

Posted on Jul 22, 2019 2:36 PM

Top-ranking reply

macjack

Level 10

111,204 points

Posted on Jul 22, 2019 2:49 PM

If your pointer is jumpy when you use a trackpad, Magic Trackpad, or Magic Mouse - Apple Support

Additionally, go to System Preferences > Mouse and change your tracking speed.

Test with another mouse and see if it works as expected.

You have 14 days to return a new Mac for a full refund. I think you could do same with a mouse if that's the problem but you'd need to check with Apple.

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Mouse

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