Lenovo K4450 Notebook - Manual (Page 25)

Chapter 2. Using your computer 11
The following is a brief introduction to the function key combinations.
Configuring Keyboard light (Fn + Esc)
• Windows 7: Press Fn + Esc to open the camera and audio settings window. The camera preview is turned
on. Then, you can change the camera and audio settings as desired.
• Windows 8.1: Press Fn + Esc to enable or disable the camera.
Power conservation (Fn + F1)
Puts your computer into sleep mode.
Display backlight feature (Fn + F2)
Enables or disables the display backlight feature.
Switching the display output location (Fn + F3)
Switches between the computer display and an external monitor. The following options will be displayed:
• PC screen only
• Duplicate
• Extend
• Second screen only
Note: You can also press the Windows key + P combination to switch between the computer display and an
external monitor.
Configuring camera settings (Fn + F4)
• Windows 7: Press Fn + F4 to open the camera and audio settings window. The camera preview is turned
on. Change the camera and audio settings as desired.
• Windows 8.1: Press Fn + F4 to enable or disable the camera.
Wireless radio control (Fn + F5)
Enables or disables the built-in wireless networking features.
Muting/Unmuting volume (Fn + F6)
Cuts off or turns on the volume.
Enabling/Disabling built-in microphone (Fn + F7)
Enables or disables the built-in microphone.
Touch pad control (Fn + F8)
Enables or disables the touch pad function.
Multimedia controls
• Fn + F9: Play or Pause
• Fn + F10: Stop
• Fn + F11: Previous track or scene
• Fn + F12: Next track or scene
Volume controls (Fn + left or right arrow)
To adjust the sound volume from your computer, do the following:
• Fn + left arrow: Decreases the sound volume.
• Fn + right arrow: Increases the sound volume.