How Do I Get My Fn Keys to Work?
Brightness Key
- In the Profile Configurator or local Setup, enable System > Registry > x > xserver0 > handle_brightness_keys. (Registry - key: x.xserver0.handle_brightness_keys) 
- Confirm your changes with Ok or Apply. 
In the Profile Configurator or local Setup, enable System > Registry > x > xserver0 > handle_brightness_keys. (Registry key: x.xserver0.handle_brightness_keys)

Confirm your changes with Ok or Apply.