Topic Title: FX-8320 possible DOA
Topic Summary: No POST, may be CPU or Motherboard but not sure which
Created On: 08/26/2013 11:28 PM
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 08/26/2013 11:28 PM
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I got an 8320 with an ASUS M5A99FX pro R2.0 Motherboard and after setting it all up it failed to post. I rechecked all the connections and made sure nothing was loose and tested all the components 1 by 1 to make sure none of them had died between taking them out of my old case and putting them in my new one with the new board+CPU. I made sure I installed the CPU correctly (I actually read and pay attention to instructions) and there was nothing wrong with the HD, video card, or ram.

My problem is I have no other board to put that processor in so I'm not sure how to tell whether it's the CPU or Motherboard and I don't want to return both when it might be only one that's bad. If anyone here knows of a way to check I'd really appreciate it.

 09/08/2013 05:09 PM
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Every AMD CPU is tested just before it is boxed and it's almost impossible to damage them in transit because of the specially designed package. Mobos are rarely bad also but Asus does use multiple manufacturers for their mobos so anything is possible.

The most common fail to boot issue on new PC builds IME is connecting all of the 12V power feeds required for the mobo and GPU cards. These days both the mobos and GPU cards often require 2 or more independnet 12V power cables to be connected in addition to the main 24 pin connector.

Depending on your time factor you might be able to find someone locally who either has a mobo that your new CPU will fit into or someone who has a CPU that will fit into your mobo. There are also online tutorials for "bread board testing" just in case there is some grounding out issue with the new mobo in you PC case. Bread boarding eliminates a lot of potential issues and is a pretty quick check to see if the hardware is working OK before installing in the case.


Technical ignorance is NOT a destiny it is a choice. Do your homework so that you can make technically informed decisions and not be duped by advertising hype or mis-information stated as fact when its not.


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