On Wed, 8 Jan 2020 16:38:32 +0100 (CET) Felmon Davis <moelmoel2714@...> wrote: > greets! > > I was trying to get a second monitor (a tv) to work using xrandr. I > noticed that the screen on the laptop would suffer severe, almost > 'psychedelic', effects if I hit a certain setting. > > unfortunately I don't recall the setting but the ill effect was > consistent and rendered the disply nearly unreadable. and the only > solution was to end the session. > > then by accident I hit the 'save this configuration' key and now the > setting is permanent. > > btw I created a second user and it doesn't suffer from the problem. > > I cannot find a way to restore the proper display setting. My guess is that you did something awkward to the color profile or gamma correction. No idea where that information is stored, though--I'd probably resort to grepping through likely directories looking for "[Cc]olor". If it affects only a specific user, then the setting is probably in your home directory, since most distros don't like mingling user settings with general system settings. E. Liddell