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My new graphics card my computer to shut down when its under over average load


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#1 Tweed_Beetle

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Posted 21 February 2013 - 01:28 PM

I have recently acquired a new gtx 660ti gigabyte graphics card. Every time I put a larger than medium load on it, like by starting BF3 or starting a medium load Benchmark my computer shuts off instantly, I have to disconnect it from power completely for a short time until i can turn it back on again.

The temperature doesn't seem to be the problem because it doesn't get any hotter than 70C° before shutting down everything. My CPU doesn't get warmer than 65C° at 100% so i don't think that is the problem either. I also fail to see how power could be a problem because i have a 720w power supply of my drivers are up to date.

I would be very happy if someone could tell me what is happening.

Edited by Tweed_Beetle, 22 February 2013 - 04:24 AM.


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#2 smax013

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Posted 21 February 2013 - 07:32 PM

Are you able to try the graphics card in another computer?  This will help determine if there is a problem with the card itself.  I am guessing that this is likely not an option, however.

 

Based upon behavior, it kind of sounds like an issue of over-heating.  You mention the CPU temperature...but are you monitoring the GPU temperature?  Is that the 70° C temp you mention?

 

I agree that if you have a 720W power supply, then as you said there should be no power issues.  And even if there was not enough power, I believe typically the GPU will just be limited rather than shutting down...but I could be wrong.



#3 Tweed_Beetle

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Posted 22 February 2013 - 05:14 AM

Are you able to try the graphics card in another computer?

 

but are you monitoring the GPU temperature?  Is that the 70° C temp you mention?

I am afraid i cannot test the card in a other computer however my computer did work properly with my old graphics card, so that suggests a problem with the new one or a compatibility issue.

The 70C° is referringto the GPU temperature but the max temperature for this card is supposed to be 97C°


Edited by Tweed_Beetle, 22 February 2013 - 05:22 AM.


#4 smax013

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Posted 22 February 2013 - 02:12 PM

 my computer did work properly with my old graphics card, so that suggests a problem with the new one or a compatibility issue.

 

Was the old card also a nVidia based card?  Or was an ATI/AMD based card?  If the latter, then maybe there is a driver remnant from the ATI driver that is cause a problem.  You could try Driver Sweeper: http://www.guru3d.com/content_page/guru3d_driver_sweeper.html



#5 ApoJake

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Posted 12 March 2013 - 09:00 PM

I am having the same problem as Tweed_Beetle...

 

I have recently installed an MSI GTX 660 TI Power Addition into my old case (i.e. just upgraded the card) and when I play BF3, my computer will shut down over time - no BSOD.  The higher the graphics setting, the quicker it shuts down.  This leads me to believe that the card is overheating and I would just need to get better airflow through my case, however, when I have nVidia inspector running while I play the game, my temps only seem to go to about 70°C, just like the original poster.  Is nVidia Inspector not accurate or do I have a defective card?  This never happened when I played BF3 with my old card (GTX 460).  I know my existing case/fans don't have the best airflow, but I don't think it's terrible...

 

My PSU is a little lower (600 W) but I'm pretty sure that's not the problem as the 600 series cards use less power than the 400 series cards from what I understand. 

 

Does anyone have any ideas?  While I don't necessarilly mind the notion of upgrading my case and getting some new fans, I'd like to save the money if that wouldn't fix the problem.

 

Thanks!


Edited by ApoJake, 12 March 2013 - 09:02 PM.


#6 the_patriot11

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Posted 12 March 2013 - 09:20 PM

Im going to address some issues here, first off a PSU can have more then enough wattage, but not enough amperage, to handle a video card. How many amps on the +12v rails. And a overvolted PSU will shut down the computer, depending on how bad its overvolted.

 

One thing to check, is to go into your BIOS and check where your temperature fail safes are set at. Oftentimes motherboard manufacturers set these conservatively low, that while your card maybe within the cards safe temperature rating, either it, the CPU, or case temp, is hitting above what the BIOS thinks it should be, and causing a shutdown.


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