Magnus Axelqvist

Magnus Axelqvist

No fluff, just stuff

Turn your external screen into the primary one in Ubuntu

Just enter xrandr to get hold of the display names. Then enter xrandr –output <display name> –primary i order to make your external screen the primary one. Done! See example below:

magnus@gollum:~$ xrandr
Screen 0: minimum 320 x 200, current 3600 x 1200, maximum 8192 x 8192
VGA-0 disconnected (normal left inverted right x axis y axis)
LVDS connected 1680×1050+1920+0 (normal left inverted right x axis y axis) 331mm x 207mm
   1680×1050      60.6*+
   1400×1050      60.0 
   1280×1024      59.9 
   1440×900       59.9 
   1280×960       59.9 
   1280×854       59.9 
   1280×800       59.8 
   1280×720       59.9 
   1152×768       59.8 
   1024×768       59.9 
   800×600        59.9 
   848×480        59.7 
   720×480        59.7 
   640×480        59.4 
S-video disconnected (normal left inverted right x axis y axis)
DVI-0 connected 1920×1200+0+0 (normal left inverted right x axis y axis) 518mm x 324mm
   1920×1200      60.0*+
   1600×1200      60.0 
   1280×1024      75.0     60.0 
   1152×864       75.0 
   1024×768       75.1     60.0 
   800×600        75.0     60.3 
   640×480        75.0     60.0 
   720×400        70.1
magnus@gollum:~$ xrandr –output DVI-0 –primary
magnus@gollum:~$