I have been having this issue when I moved to 14. It worked great in 13. It also happens when I go to system settings and turn it off. If I plug it back in, it stays in dim unmodified state. Then unplug again, it will change back into a correct state.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1271410 Title: screen brightness does not work after removal of second monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1271410/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs