Operating Your Computer 2-7
Key Description
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 the display on and off.
Serves as the sleep button that you can define with
Windows’ Power Options.
Switches the keyboard backlight on and off (option).
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