Chapter 6. Function Keys - Lenovo thinkpad t440P Maintenance Manual

Chapter 6. Function keys

The following table describes the functions of function keys and key combinations.
Table 8. Function keys
Function key and Description
key combination
F1 Mutes or unmutes the speakers.
If you mute the sound and turn off your computer, the sound will remain muted when you turn
on your computer again. To turn on the sound, press F2 or F3.
F2 Decreases the speaker volume.
F3 Increases the speaker volume.
F4 Mutes or unmutes the microphones.
F5 Darkens the display.
F6 Brightens the display.
F7
Switches the display output location between the computer display and an external monitor.
F8 Enables or disables the wireless features.
F9 For Windows 7: Opens Control Panel.
For Windows 8 and Windows 8.1: Opens the Settings charm.
For Windows 10: Opens the Settings window.
F10 For Windows 7: Opens Windows Search.
For Windows 8 and Windows 8.1: Opens the Search charm.
For Windows 10: Opens the Cortana
F11 Views the programs that you have opened.
F12 For Windows 7: Opens Computer.
For Windows 8, Windows 8.1 and Windows 10: Views all the programs.
Fn+Esc Press Fn+Esc to enable or disable the Fn Lock function.
• When the Fn Lock function is disabled: The Fn Lock indicator is off. To initiate the special
• When the Fn Lock function is enabled: The Fn Lock indicator turns on. To input F1- F12,
You can configure the Fn key and function keys in the Keyboard Properties window by
doing the following:
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function printed as an icon on each function key, press the corresponding function key
directly. To input F1- F12, press the Fn key and the corresponding function key.
press the corresponding function key directly. To initiate the special function printed as an
icon on each function key, press the Fn key and the corresponding function key.
1. Go to Control Panel. Change the view of Control Panel from Category to Large icons
or Small icons.
2. Click Keyboard. In the Keyboard Properties window, click the Fn and function keys
or ThinkPad F1–F12 keys tab.
3. Select the options of your preference.
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