Score:0

Non responsive screen brightness setting

ec flag

I have Ubuntu Mate 22.04 installed on a 2013 imac 27". The brightness setting available thru the Mate Control Center does not modify the actual screen brightness. The screen remains almost unusably bright.

Back in the 13.04 days there were these two answers to a similar problem:

Brightness Not Responsive

Brightness Controls Not Working on a Dell Inspiron N4010 Laptop

I'm a little nervous to just try to do those fixes since I don't know much about this stuff and they are really old, so I was hoping to get some direction here first before fiddling with those files.

Is there any way to turn the brightness down? I am OK even if it is not easily adjustable, as long as it is stuck at a lower level.

I sit in a Tesla and translated this thread with Ai:

mangohost

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