GPU Breaking 2 PSU's?

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burnzomatic

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Nov 15, 2015
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While playing Hearthstone awhile back my computer just suddenly turned off instantly and the power supply was dead.

After installing a new PSU i turned on the computer before plugging in the video card, it turned on but wouldn't turn off.. So i had to force turn it off.... i plugged in the video card after more wire managements and we tried to turn it on again later but i heard an electrical type explosion unlike the first time and my 2nd PSU was now broken and un-responsive like the 1st one...

I plugged in a new PSU into this computer and i am using an very old video card because i am scared my asus 7870 is going to break my 3rd power supply. Is there a way to tell if my video card is going to break my 3rd PSU?
 
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burnzomatic

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Nov 15, 2015
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first one that was working for two years with the video card was CX-750 Corsair, second one that broke after installing was an extreme gear 700w atx-cb700w.

using 8120 amd cpu, corsair platinum dominator 8gb rams, M5A99FX PRO R2.0 motherboard, hitachi HDS5c302oaLa632 disk drive..........

it might have been still overclocked to 4.2 cpu but no OC to video card when I installed the Extreme Gear 700w power supply...

but the computer is running right now off a dusty closet psu and 6700 video card i am replacing tomorrow from my spare pc's Corsair CMPSU-750TX 750-Watt TX Series 80.

Is there a way to tell if my video card is broken??
GIGABYTE Radeon HD 7870 GHz Edition GV-R787OC-2GD 2GB 256-Bit GDDR5 PCI Express 3.0 x16 HDCP
i did not expect someone to respond tonight, i am sorry....
 
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sizzling

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Oct 18, 2006
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In theory those PSU's should have been ok but they were both low quality, CX's have a notorious reputation for failure and low quality components. Spending a little more on a good quality unit is well worth it, you have been lucky that these failures have not taken out other components at the same time which does happen, higher quality units have better protection circuits too. A tier 1 or 2 on this list, whichever is on offer near you would be a good replacement http://www.tomshardware.co.uk/forum/id-2547993/psu-tier-list.html
 
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burnzomatic

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Nov 15, 2015
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thank you i'll look into it on black Friday possibly but is there a way to tell if my 7870 is faulty and not break anything with the CMPSU-750TX 750-Watt TX Series 80 that is working currently in my other pc?


 
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burnzomatic

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Nov 15, 2015
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I ended up just doing it and my 7870 is just fine. but using the 750tx corsair I hope to replace soon....
I think the first psu blew up somehow and the second was just a piece of junk or I messed/loosen a wire while cable managing.
 
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