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CHAPTER 5: TROUBLESHOOTING
Memory

Memory errors detected on startup

Check memory modules for correct seating and orientation. Reseat the •
memory modules if applicable (see “Upgrading or Replacing Memory” on
page 37).
Computers using a dual-channel memory conguration require that •
memory modules be installed in pairs. If you require assistance, contact
Technical Support (see “CONTACTING ALIENWARE“ on page 59).
Display

If the display is blank

NOTE: If you are using a program that requires a higher resolution than
your computer supports, it is recommended that you attach an external
monitor to your computer.
e computer may be in a power saving mode:
Press a key on the keyboard or press the power button to resume normal
operation.
Switch the video image:
If your computer is attached to an external monitor, press <Fn><F6> to switch
the video image to the display.
Power

When you press the power button, the computer does not turn on

If the AC adapter cable is connected to a surge protector or UPS, ensure that •
the surge protector or UPS is securely connected to an electrical outlet, is
switched on and is working correctly.
Check that the wall outlet is working properly by testing another device •
such as a radio or lamp that you know works. If the wall outlet is not working,
contact an electrician or your power company for further assistance.
If the problem persists, contact Alienware support (see “CONTACTING
ALIENWARE“ on page 59).