Lenovo B4400 Notebook User Manual
Page 8
4
Chapter 1. Getting to know your computer
The following describes the features of each function key.
Fn + Esc:
Windows 7
: Opens the camera and audio settings
window. The camera preview is turned on, and
you can change the camera and audio settings as
desired.
Windows 8.1
: Enables/disables the camera.
Fn + F1:
Enter sleep mode.
Fn + F2:
Turns on/off the backlight of the display.
Fn + F3:
Switches between the computer display and an
external monitor. Works in the same way as the
Windows key + P combination.
Fn + F5:
Open the interface for integrated wireless devices
settings (on/off).
Fn + F6:
Enables/disables the touch pad and the touch pad
buttons.
Fn + F8:
Enables/disables the numeric keypad.
Fn + F9:
Starts/pauses playback of Windows Media Player.
Fn + F10:
Stops playback of Windows Media Player.
Fn + F11:
Skips to the previous track.
Fn + F12:
Skips to the next track.
Fn + PrtSc:
Activates the system request.
Fn + Home:
Activates the pause function.
Fn + End:
Activates the break function.
Fn + PgUp:
Enables/disables the scroll lock.
Fn + PgDn:
Activates the insert function.
Fn +
↑/↓:
Increases/decreases display brightness.
Fn +
→/←:
Increases/decreases sound volume.