Newly built computer shutting off during heavy load. [doesn't seem to be over heating.]

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Crunchycorndog

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Jan 16, 2014
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Hey! I recently completely upgraded my computer (new Mobo, GFX card, CPU, RAM and PSU) saving only my old HDD. Everything seemed to be running smoothly after I upgraded to Windows 7 64bit. I then decided to run the windows system rating, to which I was greeted with the problem described in the topic. Thinking it might be a one-off issue, I tried again. Same results. Thinking it might just be an issue with system rating, I ran a different program that is both CPU and GPU intensive, and was greeted by the same issue I got during the rating. It's interesting to note when I get these crashes, the LED on the front of my case slowly pulses and my power button doesn't respond until I cut the power completely. As you could imagine, this issue is quite startling so I've been avoiding using my computer too much until I can figure out what's wrong.

The parts I'm using in my system are;
MOBO; MSI 970A-G43
CPU; AMD FX 8350 8 core
GPU; XFX Radeon HD 7850 [core edition]
PSU; RAIDMAX RX-630SS
HDD; Western Digital WD Blue WD10EALS

I've done a bit of digging on the matter, and I've seen indications that maybe my power supply just isn't cutting it? OR might it be something else I'm not thinking of?

[quick edit; To clarify, I was using HWMonitor to watch my temps leading up to the crash, which is why I seem to think it's not an overheat.]

Regardless, thanks for your collective time!
 
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Your other parts are of relatively high quality except for the PSU. And with no temperatures issues, I'm inclined to point my finger at your PSU. From what it sounds like, your PSU isn't delivering ample power to your rig when trying to do anything intensive.

Not too savvy with PSUs, but it seems like you'd only be getting max 264W on each rail, and the PSU isn't 80+ certified, which would lead one to believe that it cannot deliver it's advertised load.

I would likely recommend trying to buy a XFX 550W.
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enemy1g

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Oct 3, 2013
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Your other parts are of relatively high quality except for the PSU. And with no temperatures issues, I'm inclined to point my finger at your PSU. From what it sounds like, your PSU isn't delivering ample power to your rig when trying to do anything intensive.

Not too savvy with PSUs, but it seems like you'd only be getting max 264W on each rail, and the PSU isn't 80+ certified, which would lead one to believe that it cannot deliver it's advertised load.

I would likely recommend trying to buy a XFX 550W.
 
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Crunchycorndog

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Jan 16, 2014
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I was starting to figure there was something wrong with my PSU, but I've got a question on the one you suggested. As of this writing, it seems the PSU Calculator linked above doesn't seem to be working (or at least for me.) However, I used it last night and it seems I needed a bit more than 550W. I don't know the exact number (due to the calculator being down), but I'm pretty certain it needed to be higher than 550w. Is there a PSU you'd recommend in the 700+ range?

Alternatively, would this PSU work? http://www.newegg.com/Product/Product.aspx?Item=N82E16817116018
 
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