*****@*****-UBUNTU-PC:~$ cat /var/log/Xorg.0.log | grep drivers
[ 19.925] (II) Loading /usr/lib/xorg/modules/drivers/nouveau_drv.so
[ 19.958] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[ 19.968] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 19.976] (II) Loading /usr/lib/xorg/modules/drivers/nouveau_drv.so
[ 19.976] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[ 19.977] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
XRANDR:
*****@*****-UBUNTU-PC:~$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 320 x 240, current 1024 x 768, maximum 1024 x 768
default connected 1024x768+0+0 0mm x 0mm
1024x768 50.0*
800x600 51.0 52.0 53.0
680x384 54.0 55.0
640x480 56.0
512x384 57.0
400x300 58.0
320x240 59.0