Try typing this command in a terminal xgamma -gamma 0.75 I have posted my own solution here: http://ubuntuforums.org/showthread.php?p=4168042#post4168042
-- FN Keys for LCD brightness since kernel 2.6.22-12-generic x86_64 https://bugs.launchpad.net/bugs/146280 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
