How to troubleshoot intermittent Mac Bluetooth connections

Diagnosing and resolving Bluetooth connectivity points can show irritating, even on a Mac. Listed below are steps for effectively working by the method.

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As soon as I adopted Macs as my on a regular basis workstations, I hoped Bluetooth connectivity points have been an issue of the previous. I used to be improper. Sometimes, Bluetooth issues come up. Listed below are the steps I not too long ago adopted troubleshooting intermittent connectivity points on my Mac.
SEE: Power checklist: Troubleshooting hard drive failures (TechRepublic Premium)

Should-read Apple protection

The issue arose with a beloved Logitech MX Master 3 for Mac mouse that started intermittently disconnecting from my Intel-powered 13-inch 2020 MacBook Professional. The mouse would turn out to be nonresponsive. Although I obtained no “connection misplaced” message on the Mac, the pointer didn’t reply to motion nor did clicks register. The issue would sometimes right itself inside 4 or 5 seconds. Nonetheless, the issue proved interruptive and nearly at all times resulted in my turning into confused and pissed off, as clicks didn’t execute instructions and the mouse pointer shot to new and surprising display areas.

Beginning to troubleshoot the mouse points

I started by following basic steerage. I disabled and re-enabled Bluetooth on the Mac by opening System Preferences, clicking Bluetooth and clicking the Flip Bluetooth Off button. Then I disabled and re-enabled the mouse utilizing its sliding energy button. I additionally absolutely charged the mouse.
No pleasure. The issue continued.
Subsequent, I eliminated the mouse’s Bluetooth profile on the Mac by opening the Mac’s Bluetooth preferences, highlighting the mouse entry and clicking the corresponding encircled X, as proven in Determine A.
Determine A
Removing and reinstalling a Bluetooth peripheral can correct connectivity issues by creating a new connection.Eradicating and reinstalling a Bluetooth peripheral can right connectivity points by creating a brand new connection.
After re-connecting the mouse (by holding down its settings button till the numeral setting started quickly blinking and clicking Join inside the Mac’s Bluetooth preferences), the issue disappeared. However just for a brief interval. Quickly the connection points returned.
So, I attempted ranging from scratch. I uninstalled the Logitech Choices software program and once more eliminated the mouse’s Bluetooth entry. After making certain no macOS updates or fixes have been obtainable, I rebooted the Mac for good measure, then reinstalled Logitech’s software program, making certain I used to be working with essentially the most present launch, and re-connected the mouse.
The issue disappeared for 20 minutes or so, however once more reappeared.

Digging deeper: Making an attempt a special Mac

These are the steps that sometimes restore correct connectivity. For those who strive these options however nonetheless encounter hassle, it’s time to dig deeper.
My subsequent step was to make use of the mouse with a special Mac. I additionally use an Apple M1-powered Mac, so I set the laptop computer up in the identical location utilizing the identical mouse. And guess what: No issues. All through a heavy morning and afternoon of laptop use, the Logitech gadget and MacBook Professional carried out flawlessly.
Whereas not the answer, the expertise demonstrated the Logitech mouse was performing correctly. Primarily based on the experiment, I may fairly conclude neither the mouse’s electronics nor its Bluetooth radio have been accountable for the intermittent points.
Additionally, as a result of I used the mouse inside the identical setting and in the identical situations—with an iMac and its wi-fi mouse and keyboard situated simply inches away—I may dismiss issues the mouse’s Bluetooth sign was a sufferer of crossover or attenuation.
Perplexed, I returned to utilizing the apparently malfunctioning MacBook Professional. Solely this time I related a special Logitech Bluetooth mouse, an older MX Master 2S model. After a couple of minutes of correct operation, that mouse additionally malfunctioned, returning to correct operation shortly thereafter.
As a result of the issues arose after putting in the macOS Monterey 12.3.1 replace, it’s potential a battle was launched with the replace that’s stopping the Intel-powered MacBook Professional from correctly speaking with exterior Bluetooth mice. However such an evidence is inauspicious for 2 causes. First, Apple’s builders have an encouraging file of not normally introducing new issues. Second, easy web searches fail to floor different complaints.
Having nothing to lose, I continued digging. Anecdotal proof suggests you’ll be able to delete the Mac’s Bluetooth Property Checklist by utilizing Finder to navigate to the Macintosh HD, double-clicking Library after which the Preferences folder and deleting the file, as proven in Determine B. Some declare this step eliminates points, so I deleted the file and rebooted the Mac.
Determine B
Anecdotal evidence exists that deleting a Mac’s Bluetooth Property List can help resolve Bluetooth issues.Anecdotal proof exists that deleting a Mac’s Bluetooth Property Checklist may also help resolve Bluetooth points.

Trial and error generally works

In my case, the step seems to have labored. For now, I’m working with fingers crossed. Whereas I, and certain you, each desire definitive resolutions, generally troubleshooting and resolving intermittent points corresponding to this requires persistent trial-and-error efforts. Right here’s hoping this drawback’s licked.

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