Maybe related to https://bugs.freedesktop.org/show_bug.cgi?id=23023 as well?
** Bug watch added: freedesktop.org Bugzilla #23023 https://bugs.freedesktop.org/show_bug.cgi?id=23023 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in Ubuntu. https://bugs.launchpad.net/bugs/551668 Title: Fn+F5 and Fn+F6 don't modify brightness on Sony VAIO VPCCW (GT 230M) To manage notifications about this bug go to: https://bugs.launchpad.net/nouveau/+bug/551668/+subscriptions _______________________________________________ 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