Now we are talking :) It could be that this is a dupe of a possible regression where you need to add HorizSync and VertRefresh options to the Monitor section. You could try to do that. First run 'xresprobe ati' and grab the values from 'freq:'. Don't remember which value was which, but try.
** Changed in: xserver-xorg-video-ati (Ubuntu) Sourcepackagename: hw-detect => xserver-xorg-video-ati -- Some ati users get a black screen and sound, must use the vesa driver to get xorg to work https://launchpad.net/bugs/91954 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs