Le 13/12/2017 à 20:53, Johann Obermayr a écrit : > Now I'm search a way to set this 3 line with the xrandr extensions library. did you look here? http://dodin.org/wiki/pmwiki.php?n=Doc.AddXResolution#toc3 it need to be in a script at launch after X starts, for me simply launched by kde jdd -- http://dodin.org