Dell Alienware Area-51 ALX (Late 2009) - Manual (Page 55)

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CHAPTER 6: TROUBLESHOOTING
Display
If the display is blank
The computer may be in a power saving mode:
Press a key on the keyboard or press the power button to resume normal
operation.
Test the electrical outlet:
Ensure that the electrical outlet is working by testing it with another device, such
as a lamp.
If the display is difficult to read
Adjust the Windows display settings:
Windows Vista
®
Click 1. Start → Control Panel → Hardware and Software →
Personalization → Display Settings.
Adjust 2. Resolution and Colors settings, as needed.
Windows ® 7
Click 1. Start → Control Panel → Appearance and Personalization → Display.
Adjust 2. Resolution and Calibrate color, as needed.
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 have 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.
•