MBP M1 Max screen brightness keeps changing.

True tone and auto brightness are off, have never even been on and yet occasionally my screen brightness will dim all on its own. It's not a major problem but annoying. I have Ventura 13.4 OS. Thanks for any help.

MacBook Pro (M1, 2020)

Posted on Dec 21, 2023 02:45 PM

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Dec 22, 2023 05:24 AM in response to CSan2C

I've never had any issues but I upgraded my 2020 27in iMac to Sonoma 13.2.1 about 20 minutes ago and my screen brightness is changing at random times as I switch between tasks. It's not going to be long before I'm annoyed beyond belief.


I had a lot of pixelation while logging back in after the upgrade too. I hope somebody hasn't messed up the display drivers!

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MBP M1 Max screen brightness keeps changing.

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