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 Ma na ger window.
<Fn><F3> Displays the Dell™ QuickSet Battery Meter (see "Dell™
QuickSet Battery Meter" on page32).
<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 page35).
<Fn><F1> Puts the computer into hibernate, or sleep, mode. Dell
QuickSet is required (see "Dell™ QuickSet" on
page137).