This is the solution: http://ubuntuforums.org/showpost.php?p=9878880&postcount=5
:) -- Screen with 4:3 ratio incorrectly detected as having 16:9 ratio https://bugs.launchpad.net/bugs/641525 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