Lenovo K4450 Notebook - Manual (Page 37)

Chapter 5. Fn key combinations
The following table describes the functions of Fn key combinations.
Table 2. Function key combinations
Key combination Description
Fn+Esc Enables or disables the keyboard light.
Fn+F1 Puts the computer into sleep mode. To resume normal operation, press
the Fn key only.
Fn+F2 Enables or disables the backlight feature of the computer screen.
Fn+F3 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.
Fn+F4 • Windows 7: Changes the camera and audio settings.
• Windows 8.1: Turns on or turns off the camera.
Fn+F5 Enables or disables the built-in wireless networking features.
Fn+F6 Mutes or unmutes the speakers.
Fn+F7 Mutes or unmutes the microphones.
Fn+F8 Enables or disables the touch pad function.
Fn+F9 Multimedia control: Start/Pause
Fn+F10 Multimedia control: Stop
Fn+F11 Multimedia control: Skip to the previous track
Fn+F12 Multimedia control: Skip to the next track
Fn+PgUp Has the same function as the Home key on a conventional keyboard.
Fn+PrtSc Has the same function as the SysRq key on a conventional keyboard.
Fn+PgDn Has the same function as the End key on a conventional keyboard.
Fn+Insert Has the same function as the Numeric Lock key on a conventional keyboard.
Fn + up/down arrow Increases or decreases the display brightness level.
Fn + left/right arrow Decreases or increases the sound volume.
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