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Dell PP23LA Owner's Manual: Using The Display; Adjusting Brightness; Switching The Video Image; Setting Display Resolution

Dell laptop user manual.
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Using the Display

Adjusting Brightness

When a Dell™ computer is running on battery power, you can conserve power by setting the
brightness to the lowest comfortable setting by pressing <Fn> and the up- or down-arrow key on
the keyboard.

Switching the Video Image

When you start the computer with an external device (such as an external monitor or projector)
attached and turned on, the image may appear on either the computer display or the external device.
Press <Fn><F8> to switch the video image between the display only, the external device only, or
the display and the external device simultaneously.

Setting Display Resolution

To display a program at a specific resolution, both the graphics card and the display must support the
program, and the necessary video drivers must be installed.
Before you change any of the default display settings, make a note of the default settings for future
reference.
NOTE:
Use only the Dell-installed video drivers, which are designed to offer the best performance with your
Dell-installed operating system.
If you choose a resolution or color palette that is higher than the display supports, the settings adjust
automatically to the closest supported values.
1 Click the Start button and click Control Panel.
2 Under Pick a category, click Appearance and Themes.
3 Under Pick a task..., click the area you want to change, or under or pick a Control Panel icon,
click Display.
4 Try different settings for Color quality and Screen resolution.
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Using the Display

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