# this turns my screen off and on again
xrandr --output DVI-I-1 --off && sleep 5s && xrandr --output DVI-I-1 --auto
# xrandr output
Screen 0: minimum 8 x 8, current 1920 x 1200, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
VGA-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 connected primary 1920x1200+0+0 (normal left inverted right x axis y axis) 518mm x 324mm
1920x1200 59.95*+
1920x1080 60.00
1680x1050 59.95
1600x1200 60.00
1440x900 59.89
1280x1024 60.02
1280x960 60.00
1280x720 60.00
1024x768 60.00
800x600 60.32
640x480 59.94
HDMI-0 disconnected (normal left inverted right x axis y axis)