If the display is difficult to read
Adjust the brightness:
Press <Fn><F4> to increase brightness or <Fn><F5> to decrease brightness.
Adjust the Windows display settings:
Windows Vista®
1.Click Start 
→ Control Panel→ Hardware and Software→ Personalization→ Display Settings.
2.Adjust Resolution and Colors settings, as needed.
Windows® 7
1.Click Start 
→ Control Panel→ Appearance and Personalization→ Display.
2.Adjust Resolution and Calibrate color, as needed.
Connect an external monitor:
1.Shut down your computer and connect an external monitor to the computer.
2.Turn on the computer and the monitor, and then adjust the monitor brightness and contrast controls.
If the external monitor works, the computer display or video controller may be defective. Contact Alienware support (see “CONTACTING ALIENWARE“ on page 73).
Mouse
The mouse is not working
•Check if the mouse cable is properly connected to the USB connector on your computer.
•Check if the mouse cable is damaged. If the mouse cable is damaged, the mouse will most likely need to be replaced.
•Restart your computer.
•Try a mouse that you know works in the same connector, to ensure that the USB connector is working.
•Reinstall the device driver.
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CHAPTER 6: TROUBLESHOOTING