$ xrandr -q Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 4096 x 4096 VGA-1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 376mm x 301mm 1280x1024 60.0*+ 75.0 1152x864 75.0 1024x768 75.1 70.1 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 640x480 75.0 60.0 720x400 70.1 LVDS-1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 331mm x 207mm 1920x1200 60.0 + 59.9 1920x1080 60.0 1600x1200 59.9 1680x1050 60.0 1400x1050 60.0 1280x1024 59.9* 1280x960 59.9 1152x864 60.0 1024x768 59.9 800x600 59.9 640x480 59.4 720x400 59.6 640x400 60.0 640x350 59.8 DVI-D-1 disconnected (normal left inverted right x axis y axis) $ xrandr --output VGA-1 --auto $ xrandr --output LVDS-1 --off $ xrandr -q Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 4096 x 4096 VGA-1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 376mm x 301mm 1280x1024 60.0*+ 75.0 1152x864 75.0 1024x768 75.1 70.1 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 640x480 75.0 60.0 720x400 70.1 LVDS-1 connected (normal left inverted right x axis y axis) 1920x1200 60.0 + 59.9 1920x1080 60.0 1600x1200 59.9 1680x1050 60.0 1400x1050 60.0 1280x1024 59.9 1280x960 59.9 1152x864 60.0 1024x768 59.9 800x600 59.9 640x480 59.4 720x400 59.6 640x400 60.0 640x350 59.8 DVI-D-1 disconnected (normal left inverted right x axis y axis) $