There are good chances, and that would make bug #862139 a duplicate of the present bug.
"xset q" shows DPMS is active with all of its timeouts set to 600, although no such thing should be set according to my control panel settings. xset -dpms turns it off, but I'll have to wait until I watch a movie to see if it helps in that precise situation. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/857168 Title: Screen goes black while watching video To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-control-center/+bug/857168/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs