This happens some times and I have since gone to this guide to fix my issues when this does happen. (It has happened to me or friends after an upgrade or after some updates no less than 10 times in my 2 yrs of ubuntuing)
This guide has worked every time i've seen this issue: http://ubuntuforums.org/showpost.php?p=5173017&postcount=10 IMO it should be done by default with a simple Fix Video Drivers button in display settings. -- compiz fails to start automatically https://bugs.launchpad.net/bugs/263208 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