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Alienware X51 R2 that Won't Post

 I cannot get the system to post.  Whenever I turn on the PC, the fans come on but nothing is displayed on the monitor.  Pulled mem sticks and get 2 beeps. otherwise its nonstop beeps. I have no idea what the problem could be.  Here is what I have tried:

  • Switching the graphics card out
  • Clearing CMOS
  • Using a recovery USB drive
  • Using a Ubuntu  installed on a USB drive

Nothing worked so I'm completely lost.  Does anyone have any advice?

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Re: Alienware X51 R2 that Won't Post


Try removing the ram modules and testing them one at a time to confirm if the system posts. If it still does not post, there may be a problem with the motherboard. 

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