Using 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.

 

Table 1-6. Fn Hot Keys

 

 

Hot Key

Effect

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.

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 mode.

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

Audio mute.

1-20 Product Information

Service Manual

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HP 2123AD, 2175EA, 2164EA, 2163EA, 2160US, 2158EA, 2165EA, 2166EA, 2505AP, 2502AP, 2500AP, 2156EA Using Fn Hot Keys, Hot Key Effect

2550CA, 2542EA, 2562AP, 2555AP, 2136AD specifications

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