Chapter 6. Function Keys - Lenovo ThinkPad T540p 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 key
combination
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Description
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.
Decreases the speaker volume.
Increases the speaker volume.
Mutes or unmutes the microphones.
Darkens the display.
Brightens the display.
Switches the display output location between the computer display and an external
monitor.
Enables or disables the wireless features.
For Windows 10: Opens the Settings window.
For Windows 7: Opens Control Panel.
For Windows 8 and Windows 8.1: Opens the Settings charm.
Windows 10: Opens the Cortana
For Windows 7: Opens Windows Search.
For Windows 8 and Windows 8.1: Opens the Search charm.
Views the programs that you have opened.
For Windows 7: Opens Computer.
For Windows 10, 8, and Windows 8.1: Views all the programs.
Launches the calculator.
Locks the operating system.
Opens the default Web browser.
Opens Computer.
®
search box.
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