The Fn key in the lower left of the keyboard has no function of its own but it can modify certain other keys to access powerful settings. To use Fn shortcuts, hold down the Fn key and press one of other keys.
Switches between different operation modes.
Switches the screen's refresh rate.
Function not supported on all models and the supported refresh rates may differ.
Turns on/off the icon lights of the rear connectors.
Cycles through pre-configured lighting profiles.
For models with white only keyboard lights, this shortcut adjusts the light brightness.