on Mate with compiz
xrandr --verbose --output DP1 --mode 1920x1200 --pos 1366x0 --output LVDS1 --mode 1366x768 --pos 0x0 --primary
works as expected, however, the following cmds
xrandr --output DP1 --off
xrandr --output DP1 --mode 1920x1200 --pos 0x0 --output LVDS1 --off
or if I discounted the external monitor
will cause the computer into trouble, can only be rescued by restart X (ctrl+alt+backspace)
on Mate with compiz backspace)
xrandr --verbose --output DP1 --mode 1920x1200 --pos 1366x0 --output LVDS1 --mode 1366x768 --pos 0x0 --primary
works as expected, however, the following cmds
xrandr --output DP1 --off
xrandr --output DP1 --mode 1920x1200 --pos 0x0 --output LVDS1 --off
or if I discounted the external monitor
will cause the computer into trouble, can only be rescued by restart X (ctrl+alt+