Alienware M17x Mobile Manual page 49

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 configuration 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.
The 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).
CHAPTER 5: TROUBLESHOOTING 49