Fn Key Combinations

The following table shows the Fn key and function key combinations and their corresponding functions.

The

Fn

key works

independently

of

the

operating

system.

The operating system obtains the status through

the

system

management

interface

to

control

the

system.

 

 

 

 

 

 

 

 

 

 

 

 

Fn

+

 

Result

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F2

 

 

Fuel-Gauge display on and off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F3

 

 

Standby

mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F4

 

 

Suspend

mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F7

 

 

Switch

between the

LCD,

the

external

monitor,

 

 

 

and both the LCD and external monitor

 

 

 

 

 

 

 

 

 

 

 

 

 

F8

 

 

Expand/shrink

screen

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F11

 

Switch

power

mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F12

 

Hibernation mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24 ThinkPad 390E

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IBM 390E manual Fn Key Combinations, Result