Chapter 6. Function Keys - Lenovo ThinkPad E455 Hardware 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
Press Fn+Esc to enable or disable the Fn Lock function and switch between default
mode and legacy mode of using the function keys.
• When the Fn Lock function is disabled: The Fn Lock indicator is off (default mode).
To initiate the special function of each function key, press the corresponding function
key directly. To input F1- F12, press the Fn key and the corresponding function key.
• When the Fn Lock function is enabled: The Fn Lock indicator turns on (legacy
mode). To input F1- F12, press the corresponding function key directly. To initiate
the special function of each function key, press the Fn key and the corresponding
function key.
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 7: Opens Control Panel.
For Windows 8 and Windows 8.1: Opens the Settings charm.
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 8 and Windows 8.1: Views all the programs.
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