Did you run the commands as sudo?
** Changed in: xserver-xorg-video-ati (Ubuntu) Status: Incomplete => New ** Changed in: xserver-xorg-video-ati (Ubuntu) Status: New => Incomplete -- [RS480] black screen after a few user switches https://bugs.launchpad.net/bugs/546578 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