The behaviour is known, the moving up of the panels is so they show on the projector screen. The computer won't detect the projector screen has been removed until you press the "video" buttoin on the laptop, or perhaps close / reopen the lid.
Does this help? -- Bottom task bar moves up an inch when I connect to external video/projector https://bugs.launchpad.net/bugs/158292 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
