Originally Posted by StarShip
Above is for the G210M on your machine, change the 2 to 3 for the G9400M
Note: For those following along at home your PCI bus ID may be different, verify with lspci -v
Sample of my xorg.config.
Option "AddARGBGLXVisuals" "True"
Good luck !
Thank you very much, I'll give it a try tonight.