New GTX 660 shutdowns my computer

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gerardrpc

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Nov 2, 2013
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Hello everybody, this is my first post in this forum! I've always solved my problems just searching google, but today i don't know what to do and I don't understand what happens, here goes de problem:
I've bought today a new MSI Gtx 660 and assembled to my computer. Windows 8 64bits starts normally but after some time (maybe 3 minutes) my computer auto shut downs and reboots automatically. I think that PSU is the problem, but i don't understand why. I was running an ATI 4870, which is supposed to require more power, 4870 requires 2 PCIE 6 pin power cable while my new GTX 660 just uses 1. I've read that GTX 660 requires 24A on the 12v rail, and my power supply delivers 2 rails of 18A each one (it's a 500W), so I don't know if I need a power supply with 1 single rail which can deliver 24A or the mine with 36A (18 x 2) should be enough.

The only thing that makes sense is that my power supply can't deliver the 24A with just 1PCIE 6 pin...
My power supply is: FSP Blue Storm II 500W
http://www.trustedreviews.com/opinions/500-700w-power-supply-group-test_Page-4

Thank you!

My system specs:
Intel i5 2400
Gigabyte Z68AP-D3
 
Solution
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Firts of all thank you! The first thing I thought when this happened was that maybe the AMD drivers would be causing the issue, so I assembled the Radeon HD 4870 again and unistalled the drivers. But the same problem happens when assembling the GTX 660 (non-Ti) again. I booted through Ubuntu to see if it was a problem related with my windows installation. When Ubuntu booted from my HDD (with all AMD drivers) nothing happened, I had a really bad resolution (Because Nvidia drivers weren't installed) but then I booted from the live USB, with full resolution (so NVidia drivers were enabled) and the PC shutdown again. That also happened when I was installing windows after having uninstalled AMD drivers, I didn't got full resolution and when...
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GUNNY1966

GUNNY1966

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Sep 20, 2011
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18,660
I currently have a very similar issue with one of my PC's & it has two GTX 67- 4GB cards in it & was crashing constantly so I disabled the SLI & tested it & it ran better so I then removed the card ( After Running memtest to be sure that it wasn't a memory issue & then put what was the second card into the #1 slot to be certain there were no issues with the card & it ran perfectly therefore I now know it is the PSU having a bad rail. I have a CoolerMaster Silent Pro Gold 1200W less than a year old!
SUGESTION: As I have recently learned, I'm going to get away from the multi rail PSU's & install only single rail PSU's so I never have a issue with burning up a GPU!
I have selected this one based off of all the intel I could gather!
LINK: http://www.newegg.com/Product/Product.aspx?Item=N82E16817438011&SortField=0&SummaryType=0&PageSize=10&SelectedRating=-1&VideoOnlyMark=False&IsFeedbackTab=true#scrollFullInfo
 
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ko888

ko888

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Feb 18, 2009
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If the PSU was able to power a Radeon HD 4870 then it should have no problem powering a GeForce GTX 660 (non-Ti).

+12V1 powers everything but the CPU.

+12V2 powers only the CPU.

Did you clean out all of the AMD graphics card driver remnants before installing the NVIDIA card and GeForce drivers?
 
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gerardrpc

Honorable
Nov 2, 2013
4
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10,520
Firts of all thank you! The first thing I thought when this happened was that maybe the AMD drivers would be causing the issue, so I assembled the Radeon HD 4870 again and unistalled the drivers. But the same problem happens when assembling the GTX 660 (non-Ti) again. I booted through Ubuntu to see if it was a problem related with my windows installation. When Ubuntu booted from my HDD (with all AMD drivers) nothing happened, I had a really bad resolution (Because Nvidia drivers weren't installed) but then I booted from the live USB, with full resolution (so NVidia drivers were enabled) and the PC shutdown again. That also happened when I was installing windows after having uninstalled AMD drivers, I didn't got full resolution and when the drivers installation detected the GTX660 and automatically switched to 1920x1080, the computer also shut down.

It's really strange, I think it's more probably a faulty card than a PSU problem.

Thank you all!
 
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gerardrpc

Honorable
Nov 2, 2013
4
0
10,520
I returned the card and got a new one... nothing went better, so the card wasn't the problem as I thought. As most people said me that the PSU would be the problem, I bought a new one and everything is working perfect now! I'm enjoying new Battlefield 4 more than ever ;)

Thank you all! I don't understand why my old PSU wasn't able to work with the new GTX yet
 
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dante007

dante007

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Jun 21, 2014
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HI. CAN YOU TELL ME WHICH PSU YOU ARE USING AS IAM EXPERIENCING SAME PROBLEM WITH SAME CARD.I HAVE A VERY LOW QUALITY ZEBRONICS PSU 400w.THANKS IN ADVANCE.
 
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