If you run the latest Karmic live CD you already have a pretty recent driver version. We would need to see the log to see what goes wrong.
Anyway, to install a newer version on the command line (assuming the network is up): wget https://edge.launchpad.net/~xorg-edgers/+archive/drivers-only/+files/xserver-xorg-video-ati_6.12.99+git20090911.ac853ca0-0ubuntu0tormod_i386.deb wget https://edge.launchpad.net/~xorg-edgers/+archive/drivers-only/+files/xserver-xorg-video-radeon-dbg_6.12.99+git20090911.ac853ca0-0ubuntu0tormod_i386.deb sudo dpkg -i *.deb -- [HD 4890] X server does not start up https://bugs.launchpad.net/bugs/361596 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp