Dr. Nikolaus Klepp wrote: > Usually it's selfconfigured, but you could check if /etc/X11/xorg.conf or > /etc/X11/xorg.conf.d exist. If yes, it might be a good idea to delete > these and try again. If they don't exist, you'll have to ask the > searchengine of your trust (sorry, don't have any ATI GPU here) AMD discontinued support for older cards and firmware might not work is what I know. I experienced this on one ubuntu, but might be something else - worth checking.