Could this be a duplicate of bug #30969 ? It describes the same problem when watching totem movies fullscreen.
-- Screen blanks when watching movies https://bugs.launchpad.net/bugs/66257 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs