Here is a thread in ubuntu forums about this problem. http://ubuntuforums.org/showthread.php?t=409936
-- Graphics corrupt and freeze on boot https://bugs.launchpad.net/bugs/45797 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs