Originally Posted by Fackamato
logs? bug report?
I gave up on Natty and tried going back to Maverick (which is running fine on my older Dell XPS1730 Core2 duo), but got the same issue. Initial Maverick driver works OK in gdm (but doesn't recognize external monitor attached via HDMI), but when switched to activate the nvidia driver (requiring a reboot), there's no gdm display at all, and making the attached mods to the xorg.conf file again didn't help.
Here is the bug report. I forgot that I could create this even if the graphics mode wasn't running...