User's Manual
Operating Your Computer 2-8
Key Description
Switches the wireless LAN radio on and off.
Decreases the sound volume.
Increases the sound volume.
Switches the display output to one of the following when
external devices are connected.
Upon booting the system with CRT:
NOTE: This function only applies to Plug & Play display
devices.
Decreases the LCD brightness.
Increases the LCD brightness.
Switches the touchpad off and on (depending on your model).
Switches the system sound output off (mute) and on.
Switches LCD display on and off.
Serves as the sleep button that you can define with Windows’
Power Options. (See the “Power Management” in Chapter 3.)