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Desktop Not Powering On

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#1 Smolenski7


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Posted 30 January 2016 - 06:04 PM

I just upgraded my build a few weeks ago, since then I've been having problems and today it totally shut down and will not power on.  I get a blue light from the power button and the fan turns, but only for a brief second and that's it.  Until this point, it would suddenly freeze every now and then and every so often it would suddenly restart itself.


The upgrade I mentioned included the following:

1. cpu from an AMD FX6300 to an AMD FX9370.

2. power supply from a 500 watt unit to EVGA Supernova 650 watt. 

3. graphics card from a Nividia GTX 750ti to a XFX 9380 2GB. 

4. I  added a new Noctura NH-U9B SE2 to cool the whole thing.


I'm running Windows 8.1 with 8GB RAM.  The motherboard I have is:  ASRock 970 Performance ATX AM3+


I know the problem is not the hard drive.  I took it out and installed it on my father's desktop; it powered right up and worked perfectly.  I also don't think it is the power supply because I tested it with the included PSU testing tool.  The fan in the power supply turned on and the hard drive even started spinning.


Could it be the mother board?


Any help will be appreciated.

Edited by Smolenski7, 30 January 2016 - 07:50 PM.

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#2 Smolenski7

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Posted 31 January 2016 - 09:40 AM

Also, a major thing that I forgot is that my dad definitely smelled a something burning yesterday after the computer shut down for good.  Not sure why I forgot that.

#3 WaltC


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Posted 31 January 2016 - 10:56 AM

I would try swapping the old parts back in one at a time starting with video card just because it's the quickest and easiest, though I doubt that's the problem. Then the power supply. Freezing and shutting down sounds like an overheating issue so I would look into the CPU next. Thermal compound can be tricky if you haven't done it before. If that looks ok I would put the old CPU back in and if you still have the same problem I would suspect the motherboard.

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