I have purged fglrx, remove vga=791 and do the ubuntu-bug xserver-xorg- video-ati in new bug #666134, mark it as duplicate of this.
** Changed in: xserver-xorg-video-ati (Ubuntu) Status: Incomplete => New -- [RV620] 3D acceleration doesn't work on HD4200 https://bugs.launchpad.net/bugs/664933 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs