Lenovo E40-70 Notebook User Manual
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Sleep (Fn+F1)
Puts your computer into sleep mode.
LCD backlight on/off (Fn+F2)
Turns the LCD backlight on or off.
Active display device (Fn+F3)
Selects the active display device. Use this function key combination to select the LCD of the computer,
a connected external device, or both, as the active display device.
Note: You also can use the Windows+P combination to achieve the same function.
Camera on/off (Fn+F4)
Enables or disables the integrated camera.
Airplane mode on/off (Fn+F5)
Change wireless settings (Windows 7).
Enables or disables airplane mode. When airplane mode is enabled, all wireless communication from
and to this computer is unavailable (Windows 8.1).
Volume on/off(Fn+F6)
Cuts off or turns on the volume.
Microphone on/off(Fn+F7)
Enables or disables the integrated microphone.
Touch pad control (Fn+F8)
Enables or disables the function of the touch pad and touch pad buttons.
Settings(Fn+F9)
Opens Control Panel. (Windows 7)
Changes Settings. (Windows 8.1)
Search(Fn+F10)
Opens search box. (Windows 7)
Searches applications. (Windows 8.1)
Active programs(Fn+F11)
Views open applications.
Volume level control
• Fn + left arrow: Decreases the sound volume.
• Fn + right arrow: Increases the sound volume.
Display brightness control
To adjust the display brightness, do the following:
• Fn + up arrow: Increases the display brightness.
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