Suddenly shuts down, power light pulses, power button won't work, must unplug

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flumpusfoo

flumpusfoo

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Jun 18, 2010
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18,510
    ■ CASE NZXT| CA-TP210-01 RTL
    ■ MB MSI|970A-G43 AMD970 950 AM3+ R
    ■ VGA HIS|H795QMC3G2M HD7950 3G R
    ■ PSU ENERMAX|NAXN 450W ENP450AST R
    ■ CPU AMD|6-CORE FX-6300 3.5G 8M R
    ■ MEM 4Gx2|KHX KHX16C9B1RK2/8X R
    ■ SSD 500G|SAMSUNG MZ-7TE500BW R
    ■ DVD BURN SAMSUNG | SH-224DB/RSBS R
    ■ MS WIN 8.1 PRO 64 BIT

I just put this together this month. It will randomly just instantly die. No shutdown process. Screen goes black and power button slowly pulsates. This can happen mid activity, watching streaming video, playing a game, or after I have come home from being out. The power button will not respond to a press, or if I press it for 10 seconds, the light just keeps pulsating and the unit does not respond. I have to unplug the power cord and plug it back in. I turned off Standby in the Screen Saver area and in the Win8 settings. I ran the memtest in Win8 and found nothing. Would it be advisable to not use the Win8 memtest and to use memtest86? What other areas should I be going after first? THANK YOU!
 
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chugot9218

chugot9218

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May 8, 2012
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Your PSU is under-powered and low-quality, the recommendation on the 7950 is at least 500w, even if the 450w was quality it'd be close.

*Edit* Ehh quality on it looks mostly ok, but I believe it is still too low wattage. *Edit*
 
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flumpusfoo

flumpusfoo

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Jun 18, 2010
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18,510


http://www.tomshardware.com/reviews/build-a-pc-fx-6300-overclocking,3617.html

This is what I based the build off of. I doubled the RAM, switched the video card (based off of comments), went SSD instead of HDD, and had to pick a different PSU since the one from the link was out of stock (looks like it is back).

I would be willing to order a better PSU (or the one from the link since it is in stock now) to replace and return the one I got if you think that is what I should do. Just unsure about it being the PSU since they are both 450. Did I just get a bad brand of PSU? The comments on Newegg were very positive.

Thank you for your reply.

Edit- Ah, Video Card Requirements. Got it. I'll look into a more appropriate PSU and get back.


2nd Edit - Here is what I have
http://www.newegg.com/Product/Product.aspx?Item=N82E16817194090

I would like to put in some more hard drives in the future. Would this be a suitable replacement?
http://www.newegg.com/Product/Product.aspx?Item=N82E16817371016
 
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