Fn Key Combinations - IBM ThinkPad T40 Hardware Maintenance Manual

Fn key combinations

The following table shows the function of each combination
of Fn with a function key.
Key
combination
Fn+F1
Fn+F2
Fn+F3
Fn+F4
Fn+F5
Fn+F6
Fn+F7
(continued)
Description
Reserved.
Reserved.
Turn off the computer display, leaving the
screen blank. To turn the computer display on
again, press any key or press the TrackPoint
pointing stick.
Put the computer in standby mode. To return to
normal operation, press the Fn key only,
without pressing a function key.
Notes:
1. This mode is called suspend mode in
Windows NT.
2. In Windows 2000 and Windows XP, this
combination of keys functions as a sleep
button. The setting can be changed so that
pressing it puts the computer into
hibernation mode or even shuts the
computer down.
Enable or disable the built-in wireless
networking features ( the IEEE 802.11
standard) and the Bluetooth features. If you
press Fn+F5, a list of wireless features is
displayed in the Wireless Radio Control
window. The power state of each feature can
be quickly changed in the list.
Note: This function is supported only in
Windows 98, Windows 2000, and Windows XP.
Reserved.
Switching a display output location
Note: For any operating system other than
Windows 2000 or Windows XP, no additional
procedure is needed. Just press Fn+F7.Switch
between the computer display and an external
monitor. If an external monitor is attached,
computer output is displayed in the following
three patterns by turns:
v External monitor (CRT display)
v Computer display and external monitor (LCD
+ CRT display)
v Computer display (LCD)
Notes:
1. This function is not supported if different
desktop images are displayed on the
computer display and the external monitor
(the Extend desktop function).
2. This function does not work while a DVD
movie or a video clip is playing.
ThinkPad T40 Series
Product overview
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