Question My computer works with an old athlon but not an FX-8350

davida9202

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Oct 25, 2015
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I have been toying around with this for days and I am about to lose my sanity. I am building a new PC and when I turn it on, there is no POST or BIOS but it lights up and all fans spin. I have tried a different working PSU, graphics card, RAM, monitor, etc. The only thing that currently allows it to boot into the bios is swapping my 8350 for an old quad core athlon (I don’t remember the exact model). All parts work just fine with each other except for the processor. The BIOS is fully updated. I have tried booting with just the mobo, cpu, and ram, and gpu. What could possibly be the issue?

MOBO: GIGABYTE GA-970A-DS3P (supposedly supports the 8350 according to the support page on gigabyte’s website)

CPU: AMD FX-8350

400w PSU

4x2 GB RAM

AMD RX 560

Any help is greatly appreciated.
 

davida9202

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Oct 25, 2015
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Tweo possible things
  1. CPU not good
  2. Not enough power from PSU. If it's not some great make and model even for old CPU, 400w may be borderline.
I tried using a 550w EVGA PSU and it made no difference and i just tried a brand new FX-8350 with it. Any and all combinations of this made no difference.
 
May 2, 2019
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Two more possible things

1. The CPU does not have or accept the same core-bus-clock as the DIMMs.
2. The RAM does not like that.

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Hope it helps? Possibly ... Thanks for reading.
 

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