The issue you're describing doesn't sound related to Unity. Could you log into a Gnome 2 session and see if this issue persists?
** Changed in: unity Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/746245 Title: Background is not redrawn when connecting external monitor -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs