laptop - Brightness Keys(Fn+F5, Fn+F6) Not Working on ASUS K501UX in Ubuntu 16.10 - Ask Ubuntu


when press function keys + f5, f6 brightness control nothing happens. works fine in windows. ended making shortcut brightness & lock settings on unity bar, far ideal. how can fix this?

the fix mentioned pilot6 above this:

gksudo gedit /etc/default/grub change command line

grub_cmdline_linux_default="quiet splash acpi_osi="

and run sudo update-grub


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