Nvidia gtx 660 problem

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Killakann

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Jul 7, 2013
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Hi everyone.
Some time ago i bought new gpu: gtx 660. And i found out that it started to chrash. In older games it works fine but in newer it chrashes. Sometimes i get black screen and message that nvidia kernel drivers stop responding and recovered.
Sometimes when im playing bf3 i get dx11 error saying that i dont have enough vram. And sometimes in bf3 i get very strange picture like purple guns and green solders, the roads disappear etc.
I know that the temperatures are not the problem because i get 65-70 degrees celsius under full load. I can play games befor they chrash for 20 minutes sometimes longer.
Please help

Sorry for bad English

My specs:
Nvidia msi gtx 660 twin frozr
i5 750 stock speed
6 GB DDR3 ram
1Tb harddrive
600w corsair gs psu


 
Solution
manofchalk
Raising the voltage a bit will help the card attain stability if it is running an unstable overclock, I would recommend no more than a 0.025v or 25Mv bump in core voltage.
You could also try downclocking the card from its stock values if your uncomfortable raising the voltage, bump the core and memory clock down by 25Mhz.

After that, run a benchmark program (I use 3D Mark 11 Basic) to test for stability, you wnat to be looking for any strange lines, odd colours or other visual anomalies.

If your card has been having this issue since you bought it, why didn't you get an RMA on the card?
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RalphJoy22

RalphJoy22

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Aug 18, 2012
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Well apparently your GTX660 has some issues but before we dive deeper into the problem, When did the problem started happening and How long have you been using this card for exactly. Do you have updated Drivers for your card.?
 
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boju

boju

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Killakann

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Jul 7, 2013
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So the card is factory overclocked and i didnt overclock it. I have installed the latest drivers 320.49. The os is win 7 ultimate 64bit service pack 1. Iv been using this card since february and i have this problems since begining. I have enabled high power mode in win 7. I will try to raise voltage and set max power performance in nvidia control panel.
 
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manofchalk

manofchalk

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May 11, 2012
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Raising the voltage a bit will help the card attain stability if it is running an unstable overclock, I would recommend no more than a 0.025v or 25Mv bump in core voltage.
You could also try downclocking the card from its stock values if your uncomfortable raising the voltage, bump the core and memory clock down by 25Mhz.

After that, run a benchmark program (I use 3D Mark 11 Basic) to test for stability, you wnat to be looking for any strange lines, odd colours or other visual anomalies.

If your card has been having this issue since you bought it, why didn't you get an RMA on the card?
 
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Solution
K

Killakann

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Jul 7, 2013
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I thought is drivers fault. I still have varanty but it will cost a lot of money to send it back and get a new one.

 
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boju

boju

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Its a difficult diagnosis since he said older games run fine, if it was a general electronic fault then the error would have been more obvious.

Killakann, not sure how your card will react to adding more voltage as it's already overclocked, but if it doesn't work try setting the minimum voltage to the same as the maximum so it doesn't dip in power.

It is a common issue and ive seen lots of it, just google dx11 driver errors and will get a lot of responses with power related issues. Dx 11 seems to me requires more power than normal and is not properly regulated in either manufacturer bioses or drivers them selves or could even be the game.

Forcing the voltage might solve issues like this.

What gets me is why are people are experiencing these things, is it just random luck the card is faulty? why so many? or i just may appear that way? where is the fault if there is one? is it the game(dx11) not telling the gpu to pace it up quick enough? is it bios flaw? or drivers?





 
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K

Killakann

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Jul 7, 2013
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Will do. I'l post back in some time. Antil than il test if it chrashes.
Thanks
 
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K

Killakann

Honorable
Jul 7, 2013
5
0
10,510


Thanks man that seems to be working. Played 2 hours of tomb raider today no chrash
 
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