Have you tried my suggestions? Have you looked at gnome-power-manager logs?
-- g-p-m failing to use DPMS to power off display https://bugs.launchpad.net/bugs/34233 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
