On 12/22/24 12:23, Ralf Mardorf wrote: > > xrandr --output HDMI-1 --brightness 0.5 $ xrandr --listmonitors Monitors: 1 0: +DP-2 3840/941x2160/529+0+0 DP-2 $ xrandr --output DP-2 --brightness 0.8 Did the trick. Thank you!