In X11 make this section
Section "Device"
Identifier "VESA"
Driver "nvidia" # do not remove vesa
Option "RenderAccel" "on"
Option "XAANoOffscreenPixmaps"
#Option "BusType" "PCI"
#Option "ColorTiling" "on"
#Option "EnablePageFlip" "on"
EndSection
Look like this... ONLY CHANG ETHE DRIVER , don't dick with anything else that may be in your xorg.conf
Section "Device"
Identifier "VESA"
Driver "vesa" # do not remove vesa
Option "RenderAccel" "on"
Option "XAANoOffscreenPixmaps"
#Option "BusType" "PCI"
#Option "ColorTiling" "on"
#Option "EnablePageFlip" "on"
EndSection