thanks, the outputs look like this:
meydlo@m:~$ xrandr --addmode default "1368x768" xrandr: Failed to get size of gamma for output default xrandr: cannot find mode "1368x768" meydlo@m:~$ xrandr --addmode default "1368x768_60.00" xrandr: Failed to get size of gamma for output default meydlo@m:~$ xrandr --output default --mode 1368x768_60.00 xrandr: Failed to get size of gamma for output default xrandr: Configure crtc 0 failed But new options appear in the "Displays" in "system settings" where when I choose option 1368x768 (16:9) I get: I got err: "required virtual size does not fit available size: requested=(1368, 768), minimum=(800, 600), maximum=(1024, 768)" GDBus.Error:org.gtk.GDBus.UnmappedGError.Quark._gnome_2drr_2derror_2dquark.Code3: required virtual size does not fit available size: requested=(1368, 768), minimum=(800, 600), maximum=(1024, 768) thanks :)
