If you have Intel GM965 graphics then this could be xserver-xorg-video- intel driver bug, Ubuntu X developers, please confirm this bug or assign to another package. Btw, there is a post in Ubuntu forums about the same problem, look at http://ubuntuforums.org/showthread.php?t=1287511
** Package changed: ubuntu => xserver-xorg-video-intel (Ubuntu) -- white screen with colored vertical lines https://bugs.launchpad.net/bugs/403866 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