I think I can confirm what William says. I've installed windows and see the same behavious. So this is not a an Ubuntu specific problem. I'll get in touch with HP and post a solution if I get one.
-- monitor dim/brighten reversed (HP Pavilion dv8220ea) https://launchpad.net/bugs/54095 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
