[root@geolap geo]# xrandr --auto
[root@geolap geo]# xrandr
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 1024 x 1024
VGA disconnected (normal left inverted right)
TV connected 1024x768+0+0 (normal left inverted right) 0mm x 0mm
   1024x768       30.0* 
   800x600        30.0  
   848x480        30.0  
   640x480        30.0