As an experiment, we tried creating a new user and logging in with Unity, and the problem vanished! It drives the external monitor just fine.
If I then switch over to Jane's account, it exhibits the same problem. But then I can switch back to my account, and it works again! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/747205 Title: [arrandale] Black screen on all outputs when external VGA is connected -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
