1 # Stop Display
  2 xrandr --output DVI-0 --off
  3
  4 # Create new mode generated with
  5 # gtf 1366 768 60.0
  6 xrandr --newmode "1368x768_60.00"  85.86  1368 1440 1584 1800  768 769 772 795  -HSync +Vsync
  7
  8 # Add new mode
  9 xrandr --addmode DVI-0 1366x768_60.00
 10
 11 # Tell xrandr to start Display with new mode
 12 xrandr --output DVI-0 --mode 1366x768_60.00 --right-of LVDS1