There appears to be a fix posted here, though I have not yet tried it. It involves installing a new kernel module and replacing some code in gnome-settings and recompiling it.
http://ubuntuforums.org/showthread.php?t=1966635 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1046088 Title: No Brightness Control on ASUS G75VW Notbook To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-updates/+bug/1046088/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs