Ok - I think I see the same thing, and I think it's actually a gnome-desktop problem (or, at least, is only triggered by gnome-desktop's RANDR stuff). Can you please check whether running "xrandr --output LVDS1 --off" successfully turns off the laptop panel without breaking the external display?
Ok - I think I see the same thing, and I think it's actually a gnome-desktop problem (or, at least, is only triggered by gnome-desktop's RANDR stuff). Can you please check whether running "xrandr --output LVDS1 --off" successfully turns off the laptop panel without breaking the external display?