I can confirm this bug with final relase of Ubuntu Gnome 16.04, Kernel 4.4.0-28 on a Dell Optiplex 7010. Fixed with upstream kernel 4.6.3-040603.
Thanks folks! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1553503 Title: multi monitors - black flashes or black screen when the mouse cursor leaves a monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1553503/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs