Owner's Manual

Operating Your Computer 2-5
Key Description
Decreases the LCD brightness.
Increases the LCD brightness.
Switches the system sound output off (mute) or on.
Switches LCD backlight off or on.
Switches the display output to one of the following
when an external monitor is connected through the
VGA port.
LCD LCD & VGA VGA
NOTE:
z Display resolution remains unchanged when you
switch the display output using this hot key
combination.
z This hot key combination does not function during
the playback of DVD or MPEG files by certain
applications.
z This hot key combination does not function in full
screen DOS mode.
Serves as the sleep button that you can define with
Windows’ Power Options. (See the “Power
Management” in Chapter 3.)
NOTE:
z If you have changed your system from the default ACPI mode to APM
mode, the hot keys Fn+F3, Fn+F4, and Fn+F10 will not be supported.