On Sun, Sep 01, 2024 at 05:15:01AM -0500, Richard Owlett wrote: > Lenovo R61 ThinkPad > Debian 10.0 MATE 1.20.4 > The screen automatically dims when AC removed. > System->Hardware->Power Management->OnBatteryPower->Display > "Reduce backlight brightness" & "Dim display when idle" unchecked
I'd look first at laptop-mode, coming with the like-named package. It has a man page and a config file. Is it installed in your box? Cheers -- tomás
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