As a total beginner, I have just installed Manjaro with Plasma and realized that I can only select 3840x1080 as the resolution for my monitor, although it always manages 5120x1440 under Windows (monitor: Samsung c49rg9x).
Can anyone help me to solve this problem?
DisplayPort or HDMI connect ?
Welcome back!
Is it the same with Wayland? This has improved a LOT in recent times.
What’s the output of xrandr?
xrandr
INXI output may also be helpful:
inxi --admin --verbosity=8 --filter --no-host --width