Mac mini display won't sleep

I have a M2 Mini driving a studio display. I set the Lock Screen settings to turn display off after 3 minutes.

Display won't turn off.

Then I turn off Bluetooth (connect keyboard and mouse via cable) and the display sleeps as it should.

Turn Bluetooth back on => no sleep.

????

Mac mini, macOS 15.3

Posted on Feb 20, 2025 08:26 PM

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1 reply

den.thed

Level 10

88,900 points

Feb 21, 2025 07:41 AM in response to old Bill

What make and model are the keyboard and mouse..?

This sounds like a faulty keyboard key or a faulty mouse click/sensor, that is creating continuously input activity and preventing display off.

To figure out which one, you will need un-pair them from the bluetooth one at a time and test.

Another thing that I would test, is "Turn display off... at 10 minutes instead of 3 minutes.

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Mac mini display won't sleep