Have you tried adding Option "RegistryDwords" "EnableBrightnessControl=1"
to your /etc/X11/xorg.conf at the bottom of the device section? ** Changed in: nvidia-graphics-drivers (Ubuntu) Status: New => Incomplete ** Changed in: nvidia-graphics-drivers (Ubuntu) Importance: Undecided => Low -- Can not change LCD brightness on Lenovo Y450 laptop https://bugs.launchpad.net/bugs/540112 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp