I have two 19" LCD monitors attached by VGA (with DVI adaptors). I tried to boot into the daily live as well, and got the same problem I was having with the desktop, just ending up with a blank screen.
I tried to re-install the drivers using Hardware Drivers, and was then able to use nvidia-settings to setup dual-monitors, but I cannot save the new configuration to xorg (I get error: Failed to parse existing X config file '/etc/X11/xorg.conf'). Also I still cannot get 3D support. Also, if no graphics drivers are installed, I only boot into a flashing TTY screen. Which is impossible to use, because it flashes rapidly and doesn't respond well to typing. I had to boot into recovery mode, use telinit 3, then install drivers from there. (this doesn't work anymore since this problem started.) Lastly, holding down ctrl+alt+del will restart the PC if the screen goes blank, so it is still responsive, but for some reason unable to open the display. A new xorg.conf was generated when I installed the drivers from Hardware Drivers. Attached it to this comment: ** Attachment added: "xorg.conf" http://launchpadlibrarian.net/33493128/xorg.conf -- Blank screen on bootup, karmic, nvidia card https://bugs.launchpad.net/bugs/449202 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs