Fn key combinations

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

Table 10. Fn key combinations

Key combination

Description

Fn+F1

Reserved.

 

 

Fn+F2

Lock the computer.

 

 

Fn+F3

Select a power scheme that has been created by Power Manager. When

 

you press this combination, a panel for selecting a power scheme

 

appears.

 

Notes:

 

1.

To use the Fn+F3 key combination, you must have the ThinkPad

 

 

PM device driver installed on the computer.

 

2.

If you have logged on with an administrator user ID, and you press

 

 

Fn+F3, the panel for selecting a power scheme appears. If you have

 

 

logged on with another user ID, and you press Fn+F3, the panel

 

 

does not appear.

 

3.

You cannot turn off the computer display by pressing Fn+F3.

 

 

Fn+F4

Put the computer in standby mode. To return to normal operation,

 

press the Fn key only, without pressing a function key.

 

Notes:

 

1. To use the Fn+F4 key combination, you must have the ThinkPad

 

 

PM device driver installed on the computer.

 

2. This combination of keys also functions as a sleep button. If you

 

 

want to use the combination to put the computer into hibernation

 

 

mode or shut the computer down, change the settings in the Power

 

 

Manager.

 

 

Fn+F5

Enable or disable the built-in wireless networking features and the

 

Bluetooth features. If you press Fn+F5, a list of wireless features is

 

displayed. You can quickly change the power state of each feature in

 

the list.

 

Note: If you want to use Fn+F5 to enable the wireless feature, the

 

following device drivers must be installed on the computer beforehand:

 

v

ThinkPad Power Management driver

 

v

OnScreen Display Utility

 

v

Wireless device drivers

Fn+F6

Reserved.

56ThinkPad T400 and R400Hardware Maintenance Manual

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IBM R400 manual Fn key combinations, Key combination Description