Update: I fixed this problem (for myself) by building and installing an upstream kernel. So I think the problem is in the Ubuntu Kernel and not in Gnome Power Manager.
The link to the bug I filed against the Ubuntu Kernel is here -- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/696164 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. https://bugs.launchpad.net/bugs/696159 Title: HP Pavilion dv6 loses display permanently when lid is left closed -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs