switching to a tty and compiz back with a black screen is something I have seen too but on intel. So you can rule this out to be a driver issue.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/761282 Title: black screen after pressing super+a -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
