I read the information on https://wiki.ubuntu.com/Bugs/FindRightPackage and took a package that could be involved in this issue. One thing to note: If you start Ubuntu with the external monitor everything goes really fine. This bug happens when you attach the monitor while Ubuntu is running.
** Package changed: ubuntu => metacity (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to metacity in Ubuntu. https://bugs.launchpad.net/bugs/892589 Title: attaching an external monitor to a laptop makes the image bad To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/metacity/+bug/892589/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs