Operating Your Computer 2-8
Key Description
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:
LCD CRT
LCD & CRT
NOTE: This function only applies to Plug & Play display
devices.
Decreases the LCD brightness.
Increases the LCD brightness.
Switches the touchscreen on and off (option).
Switches the touchpad off and on.
Switches the system sound output off (mute) and on.
Switches LCD on and off.
Serves as the sleep button that you can define with Windows’
Power Options. (See the “Power Management” in Chapter 3.)
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