Product overview

Fn key combinations

The following table shows the function of each combination of Fn with a function key.

The Fn key works independently from the operating system.

Key combination

Description

 

 

Fn + F1

Reserved.

 

 

Fn + F2

Reserved.

 

 

Fn + F3

Turn off the LCD display, leaving the

 

screen blank. To turn the LCD display on

 

again, press any key or the TrackPoint

 

stick.

 

 

Fn + F4

Turn standby mode on. To return to

 

normal operation, press the Fn key.

 

 

Fn + F5

Reserved.

 

 

Fn + F6

Reserved.

 

 

Fn + F7

Switch between the LCD and an external

 

monitor.

 

 

Fn + F8

Turn screen expansion on or off. (There is

 

no symbol on the key.)

 

 

Fn + F9

Reserved.

 

 

Fn + F10

Reserved.

 

 

Fn + F11

Reserved.

 

 

Fn + F12

Turn hibernation mode on.

 

 

Fn + PgUp

Turn the ThinkLight on or off.

 

 

Fn + Home

The LCD becomes brighter.

 

 

Fn + End

The LCD becomes less bright.

 

 

Fn + Insert

Audio volume becomes bigger.

 

 

Fn + Delete

Audio volume becomes smaller.

 

 

Fn + Backspace

Mute.

 

 

40ThinkPad A21e

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Image 44
IBM MT 2632 manual Fn key combinations, Fn + F3