HP pavilion xu100 Service Manual

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Basic Operation 
Operating Your Computer 
 
34 Reference 
Guide 
To use the Fn 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 among the built-in display, an external display, and simultaneous display on 
both. Does not affect a TV connected to the expansion base S-video port. 
Fn+F7 Audio 
mute. 
Fn+F8 
Toggles the built-in keypad on and off. Does not affect an external keyboard. If Num 
Lock is on, the numeric functions are active; otherwise, cursor control is active (as 
marked on an external keyboard).  
Fn+F9 
Toggles Num Lock on and off.  
Fn+F10 
Toggles Scroll Lock on and off.  
Fn+F11 Pause. 
 
Fn+F12 Enters 
Hibernate 
mode. 
Fn+HOME Print 
screen. 
External PS/2 keyboards support only Fn+F5, Fn+F7, and Fn+F12. To use these, press 
and hold left CTRL+left ALT, press the appropriate second key, then release both keys. 
A USB keyboard does not support Fn hot keys.