Dell D420 Using the Keyboard and Touch Pad

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 Using the Keyboard and Touch Pad
Dell™Latitude™D420User'sGuide
Numeric Keypad
Key Combinations
Touch Pad
Fingerprint Reader (optional)
Changing the Track-Stick Cap
Numeric Keypad
The numeric keypad functions like the numeric keypad on an external keyboard. Each key on the keypad has multiple functions. The keypad numbers and
symbols are marked in blue on the right of the keypad keys. To type a number or symbol, hold down <Fn> and press the desired key.
lTo enable the keypad, press <Num Lk>. The light indicates that the keypad is active.
lTo disable the keypad, press <Num Lk> again.
Key Combinations
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System Functions
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Battery

Display Functions
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<Ctrl><Shift><Esc>
Opens the Task Manager window
<Fn><F3>
DisplaystheDell™QuickSetBatteryMeter
<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 (ALS), 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).