in response to my previous post
those of you having similar problems if you have a Geforce4 420 Go 32MB.
the 9631 driver is looking for a CRT monitor and not and LCD (those of you having the problem on LCD monitors)
to fix this:
edit your xorg.conf
go to Section "Screen"
below defaultdepth, add: Option "UseDisplayDevice" "UFP-0"
this should fix the blank screen issue on LCD displays.