actually 2 and 3 might have been due to the 'displays' control panel being moved off screen when I switched monitors, and the fallback timeout going off.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/749817 Title: natty regression: screen goes black when external monitor is connected -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs