I'm afraid that, not being an ATI user, I cannot help you on your quest. However, I can point you to an askubuntu question about a similar problem.
http://askubuntu.com/questions/171933/ubuntu-12-04-default-radeon- driver-does-not-work-at-all For this report, we'll need to wait for someone else to come along for help and fixes. ** Changed in: fglrx-installer (Ubuntu) Status: Incomplete => New ** Package changed: fglrx-installer (Ubuntu) => xserver-xorg-video-ati (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to fglrx-installer in Ubuntu. https://bugs.launchpad.net/bugs/1035749 Title: graphical interface freeze when logging "Ubuntu" (Unity3D) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1035749/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

