Comment 14 for bug 464591

I did a fresh install of Ubuntu 9.10, 64-bit on an AMD-64 system with an on-board ATI Radeon HD 3200 Graphics adapter.

Upon reboot, I arrived at a character-mode login prompt, and X wouldn't start.
The following post provided me with the solution:

http://ubuntuforums.org/showthread.php?p=8220582#post8220582

Basically, the xorg.conf file had a "Driver fglrx" line--which I had to delete. This simple step solved my issue.

Further observations: Prior to starting the install, I had installed the proprietary ATI driver into the Ubuntu LiveCD session that I was running. I have since retried the fresh install, but *without* installing the proprietary driver into the LiveCD session first; this time, the system booted just fine.

It appears that, if the proprietary driver got installed into the session from which you initiate the Ubuntu install to harddisk, the installer will specify that driver in the xorg.conf file for the target system, even though the driver itself will *not* get installed.