I am trying to get backlight working on my laptop. It worked on ubuntu before so I don't really understand why it is not working atm. I also tried the vendor flags in grub already.

here some extra information: http://hastebin.com/kogazivida.avrasm

1 Answer 1


I just figured it out... .

  1. sudo nvidia-xconfig
  2. sudo nano /etc/X11/xorg.conf
  3. Add Option "RegistryDwords" "EnableBrightnessControl=1" to the device section.
  4. sudo reboot

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