2–6 Reference Guide
Basic Operation
To Use the Function Hot Keys
The combination of the Fn key plus another key creates a hot
key—a shortcut key sequence—for various system controls. To
use a hot key, press and hold Fn, press the appropriate second key,
then release both keys.
This hot key Does this
Fn+F1 Decreases the display brightness.
Fn+F2 Increases the display brightness.
Fn+F5 Toggles the external monitor on and off.
Fn+F8 Toggles the built-in keypad on and off. Does
not affect an external keyboard. If Num Lock
is on, then the numeric functions are active;
otherwise, cursor control is active (as marked
on an external keyboard).
Fn+F12 Initiates Hibernation.
Fn+NumLock Toggles Scroll Lock on and off.
Fn+Page Up Increases the audio volume and cancels the
mute setting.
Fn+Page Down Decreases the audio volume.
Fn+Backspace Mutes/unmutes the audio output.