I have something similar, I use twinscreen at work, at home just my laptop. I use a script to set the single monitor that does: xrandrmode=1 dac=off when I'm at home I watch things with totem. My screen settings jump to dual monitor and the aspect ratio is changed to extremly wide screen. I use totem-xine
-- Resolution of the screen changes when use Totem player https://launchpad.net/bugs/85820 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs