Could it be, that you installed the NVidia driver? Because i had the same problem if i "just" installed it. If in the Videocard0 section in your /etc/X11/xorg.conf the driveroption is nvidia, you could change the driver to vesa (with the rescue mode), and check if that solves the problem. But you surely won't want to keep that configuration, as, at least for me, the Hz of the monitor stays at 60. To solve this, you need to load the nvidia driver yourself, only then X starts properly, it seems. My suggestion would be to edit the /etc/rc.sysinit and search for the location of the "grafical boot", which shouldn't be far down. Then you just write "/sbin/modprobe nvidia" before it, change the /etc/X11/xorg.conf back (commenting out dri and changing the driver back to nvidia) and then it should work.
Hope this helps.
[Edit]Ok, to be honest, the solution doesn't always work. But it seems that it always works if i change to the vesa driver. So maybe disabling the graphical boot would be another solution.[/Edit]
Last edited by Kumo; 01-02-2005 at 08:29 AM.