Seems this is a docky issue. With docky open you get a massive black box on the screen. Closing docky causes it to go away.
** Package changed: xserver-xorg-video-intel (Ubuntu) => docky (Ubuntu) -- screen display cut off when it's connected to projector https://bugs.launchpad.net/bugs/580397 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