Using the Fn Key Function
Key
Combination
Feature Meaning
Fn
+
F5
Reserved —
Fn
+
F6
Reserved —
Fn
+
F7
LCD/external
monitor switching
Displays the computer output in the following order when an
external monitor is attached.
External Both
Display
LCD
Fn
+
F8
Reserved —
Fn
+
F9
Reserved —
Fn
+
F10
Reserved —
Fn
+
F11
Power mode
switching
When this key combination is pressed during battery-power
operation, the power-management (power-saving) mode changes as
follows.
High Auto
Customize
AC mode is used when the AC Adapter is attached. The
Fuel-Gauge program displays the current power option. See
page 68.
Fn
+
F12
Hibernation mode Places the computer in hibernation mode. See “Hibernation Mode”
on page 79 for more information.
Fn
+
PgUp
Reserved —
Fn
+
PgDn
Reserved —
Chapter 2. Getting Familiar with Your Computer 27