I have this same problem. Using a geforce 3 ti200. I don't have a normal monitor hooked up because it's my media pc. Did you ever find a way to fix this?
-- Edgy crashes while booting if TV out connected https://launchpad.net/bugs/67636 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs