I had a similar problem. GRUB configuration change didn't work. Adding stuff to xorg.conf neither. But I managed to "fix" it using a Python program that binds to D-Bus signal BrightnessChanged and sets the proper brightness using nvclock command. Check this out at my blog: http://piotr.gabryjeluk.pl/dev:ubuntu-11-04-natty-on-sony-vaio-sz640
-- 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/764195 Title: laptop screen blacklight brightness always at 100% (even on battery), can't be lowered _______________________________________________ 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