Wireless mouse pointer jumping/lagging on mac mini

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Level 1

13 points

Wireless mouse pointer jumping/lagging on mac mini

I have a late 2014 Mac Mini and am having problems with my wireless mouse. I have used both a magic mouse and a Logitech mouse and the problem is the same. The mouse works fine for a short while and then the mouse pointer gets stuck momentarily. It still moves but jumps from position to position on the screen as it tries to catch up to where it should be. After a few minutes the problem goes away and then a short while later it starts again. I think it is a problem with the Mac Mini because the mouse works fine with my macbook pro. A few other facts:

1. A wired mouse works perfectly fine.

2. I replaced a Magic Mouse 1 with a Magic Mouse 2 - this didn't fix the problem

3. I then purchased a Logitech wireless mouse with the dongle (i.e. not bluetooth) - this didn't fix the problem.

Very frustrated. Any help gratefully received.

Posted on Aug 24, 2018 1:28 PM

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Answer 1

chuck_3rd

Community Specialist

Aug 28, 2018 11:41 AM in response to qwwerty

Hi qwwerty,

Thanks for following up with the additional details.

Since the behavior doesn't occur with a wired mouse, let's have you further test for Bluetooth interference. The following guide will help to give additional troubleshooting suggestions: Bluetooth: Unreliable wireless performance may occur when USB 3.0 external devices are close

To help further isolate the issue, it would be helpful to know if the behavior persists while using macOS Recovery. The following guide will help to show how to access macOS Recovery: About macOS Recovery

Let me know how the suggestions work for you.

Cheers.

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Answer 2

rose_10

Community Specialist

Aug 26, 2018 3:42 PM in response to qwwerty

Greetings qwwerty,

Thanks for visiting the Apple Support Communities! I understand the mouse pointer will jump positions unexpectedly while a mouse is connected via Bluetooth with your Mac mini.

The following support article offers helpful troubleshooting suggestions for the behavior you're experiencing with the mouse pointer: If your pointer is jumpy when you use a trackpad, Magic Trackpad, or Magic Mouse

Let me know how the suggestions within the guide work for you.

Kind regards.

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Answer 3

qwwerty Author

Level 1

13 points

Aug 27, 2018 1:34 AM in response to rose_10

Thanks Sarah - unfortunately those solutions didn't work. It seems to be a problem with the Mac Mini itself, because both mice work fine with a Macbook Pro. Any other ideas? The wifi router and a DECT phone are close to the Mac Mini and mouse (although this was the same with my Macbook pro...).

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Answer 4

qwwerty Author

Level 1

13 points

Aug 31, 2018 2:09 PM in response to chuck_3rd

Thanks Alex. I have moved a DECT phone away and will see how this works and will also cover up the USB cables which connect my two monitors to the Mac Mini. I will report back!

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Wireless mouse pointer jumping/lagging on mac mini

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