HP (Hewlett-Packard) XT Series Laptop User Manual


 
Basic Operation
Operating Your Notebook
Reference Guide 19
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+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 Enters 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.