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georgewithap Author

Level 1

4 points

2018 Mac mini bluetooth interference problems

I have an answer for the community....I had lagging, erratic Magic Mouse and horrible magic keyboard lagging, bluetooth drop outs, static like popping and clicking noises on usb audio

I shut off bluetooth and installed a bluetooth dongle on a powered hub at a distance of about 24" from the mini...this helped for about a week...then I moved a cable and we were back to the same problems again

I have now installed snap-together ferrite beads on each cable that plugs into usb on the Mac mini, right at the usb connector

so far this has cleared up the problem entirely but I am still using the usb bluetooth dongle, haven't tested it on the on-board bluetooth yet, and I would caution I have't tested it over a long period of time yet either

Posted on Jun 4, 2022 2:34 PM

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den.thed

Level 10

82,066 points

Posted on Jun 4, 2022 5:44 PM

Thanks for sharing the good info and solutions George.

This is a known issue for Wi-Fi and Bluetooth, when using poorly shielded high speed USB cables and devices.

see > Resolve Wi-Fi and Bluetooth issues caused by wireless interference - Apple Support

I first encountered this issue with a 2012 Mac Mini's Wi-Fi, when I connected USB 3.0 cables and drives to it.

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2018 Mac mini bluetooth interference problems

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