Gathering duplicates here, there are lots of them. The driver "ati" fails on many (most?) X300-X800 PCI-E cards, while "radeon" works though might not give bigger than 640x480 resolution without additional MonitoryLayout tweaking - even that would be better than blue screen of X.
** Bug 25953 has been marked a duplicate of this bug ** Bug 32515 has been marked a duplicate of this bug ** Bug 45768 has been marked a duplicate of this bug ** Bug 47083 has been marked a duplicate of this bug ** Bug 30284 has been marked a duplicate of this bug -- X fails to start in dapper flight3 & 4 with ati X600, onward all the way through dapper 6.06 LTS https://launchpad.net/bugs/28925 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs