> On Jan 8, 2025, at 1:04 AM, Michael van Elst <mlel...@serpens.de> wrote: > > rwhitloc...@gmail.com (Rob Whitlock) writes: > >> https://gnats.netbsd.org/58257 > >> Out of curiosity, and for looking for commonalities, what system do you >> have this power plug/screen brightness problem on? > > > This is a BIOS power management feature, the running OS implements it > with some ACPI callback. I would guess it goes away when you change > a BIOS setting from something like 'Battery Optimized' to 'Max Performance'. > > I don't think the BIOS has an individual setting just for the display.
Thanks for the tip. Unfortunately, enabling all the "max performance" settings I could find had no effect on the power plug changing the brightness.
