@Cui i've also a desktop that "turn black" sometimes; and have discovered it was due to cord'weight acting badly with the hdmi connection, on the top left side of the screen. A simple push made on it and it works again as expected. Maybe you hit the same problem.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to metacity in Ubuntu. https://bugs.launchpad.net/bugs/1538111 Title: untraceable serious bug in metacity 3.18 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/metacity/+bug/1538111/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
