Any chance you're seeing bug #1525285 ? Please run an X11 session once (to get the gst registry regenerated) and then log in to unity8 again.
** Changed in: unity8 (Ubuntu) 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/1562055 Title: unity8 black screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1562055/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs