Dell Alienware M17x R3 (Early 2011) - Manual (Page 98)

CHAPTER 5: TROUBLESHOOTING
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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 74).
• Computers using a dual-channel memory configuration require that memory modules be
installed in pairs. If you require assistance, contact Alienware Technical Support (for more
information, see “CONTACTING ALIENWARE“ on page 123).
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.