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40 Using the Keyboard
Key Combinations
Keyboard Illumination
System Functions
Battery
Display Functions
Power Management
<Fn> and right-arrow key Toggles the keyboard illumination lights on and off.
<Ctrl><Shift><Esc> Opens the Task Manager window.
<Fn><F3> Displays the Dell™ QuickSet Battery Meter (see "Dell™
QuickSet Battery Meter" on page 32).
<Fn><F8> Switches the video image to the next display option. The
options include the integrated display, an external
monitor, and both displays simultaneously.
<Fn><F7> Scales between wide-screen and standard aspect ratio
video resolutions.
<Fn> and left-arrow key Activates the ambient light sensor, which controls
brightness of the display based on light level in the
current environment.
<Fn> and up-arrow key Increases brightness on the integrated display only (not
on an external monitor).
<Fn> and down-arrow key Decreases brightness on the integrated display only (not
on an external monitor).
<Fn><Esc> Activates a power management mode. You can
reprogram this keyboard shortcut to activate a different
power management mode using the Advanced tab in the
Power Options Properties window (see "Accessing Power
Options Properties" on page 35).
<Fn><F1> Puts the computer into hibernate, or sleep, mode. Dell
QuickSet is required (see "Dell™ QuickSet" on
page 137).