Alienware Area-51 m5500, Руководство пользователя

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chapter 1 getting to know the basics
Graphic Subsystem
Your computer uses a high performance 15-inch or 15.4-inch (wide)
active matrix TFT panel with high resolution and multi-million colors for
comfortable viewing. The system has two graphics engines built-in. A
switch allows you to choose either the external MXM graphics engine
or the integrated Intel GMA900 Extreme3 graphics engine.
This unique feature gives you the flexibility to select the graphics
engine that is best-suited for your needs – higher performance or
lower battery consumption. Both graphics engines are DirectX
9-compatible.
Adjusting the Display Brightness
The notebook uses special key combinations, called hot keys, to
control brightness.
Press Fn+F7 to increase the brightness.
Press Fn+F8 to decrease the brightness.
Note:
To maximize your battery operating time, set the brightness to the lowest
comfortable setting, so that the internal backlight uses less power.
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Extending the Life of the TFT Display Device
Observe the following guidelines to maximize the life of the
backlight in the display:
1. Set the brightness to the lowest comfortable setting
(Fn+F8).
2. When working at your desk, connect your notebook to an
external monitor and disable the internal display Fn+ F4.
3. Do not disable the suspend time-outs.
4. If you are using AC power and have no external monitor