Fixed following Arch-Wiki.
Details in: https://nisheetlall.wordpress.com/2016/07/12/solved-brightness-fix-in-linux-1for-optimus-laptops/
Fixed following Arch-Wiki.
Details in: /nisheetlall. wordpress. com/2016/ 07/12/solved- brightness- fix-in- linux-1for- optimus- laptops/
https:/