Chapter 5. Fn Key Combinations - Lenovo K4450A Hardware Maintenance Manual

Chapter 5. Fn key combinations

The following table describes the functions of Fn key combinations.
Table 2. Function key combinations
Key combination
Fn+Esc
Fn+F1
Fn+F2
Fn+F3
Fn+F4
Fn+F5
Fn+F6
Fn+F7
Fn+F8
Fn+F9
Fn+F10
Fn+F11
Fn+F12
Fn+PgUp
Fn+PrtSc
Fn+PgDn
Fn+Insert
Fn + up/down arrow
Fn + left/right arrow
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Description
Enables or disables the keyboard light.
Puts the computer into sleep mode. To resume normal operation, press
the Fn key only.
Enables or disables the backlight feature of the computer screen.
Switches between the computer display and an external monitor.
Note: You also can use the Windows+P combination to switch between the
computer display and an external monitor.
• Windows 7: Changes the camera and audio settings.
• Windows 8.1: Turns on or turns off the camera.
Enables or disables the built-in wireless networking features.
Mutes or unmutes the speakers.
Mutes or unmutes the microphones.
Enables or disables the touch pad function.
Multimedia control: Start/Pause
Multimedia control: Stop
Multimedia control: Skip to the previous track
Multimedia control: Skip to the next track
Has the same function as the Home key on a conventional keyboard.
Has the same function as the SysRq key on a conventional keyboard.
Has the same function as the End key on a conventional keyboard.
Has the same function as the Numeric Lock key on a conventional keyboard.
Increases or decreases the display brightness level.
Decreases or increases the sound volume.
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