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I think i broke my card.

post #1 of 7
Thread Starter 
Here is what happened.

On 27th of april i found about bitcoin. Since i started mining i OCed my card to get better performance.
I firstly did 950/500 with not a lot of voltage. Then the card started shutting down and the monitor going in standby and the fan blowing at 100%.
I had to reboot, this happened at least 10-15 times so i started raising the voltage a bit more, but no more than 1,1200 and it still did this, so i lowered the clocks went from 950 core to 935(crashed) 925 and then 920 and then settled for 910 at 1,174 voltage.

Then, some stuff started happening. While i was mining something happened to the gpu it start going grazy. GPU fan going up and down in speed, voltage increased to the amazing 1,6XX(impossible, i know) and this happened a few times.
Today it happened a few times and the only way to fix it is by pressing Reset on Afterburned after which i returned the clocks and stuff.
Then suddenly the card shutdown...not like the other time when the fan starts blowing fast, it went to normal speed but no picture on monitor.

I rebooted and then started again, it did that again.

The other thing i noticed is in Aida(new everest) is that my GPU VRM amps went from the normal 70a or sometimes below, to the amazing 84 amps with 850 core and 1,100 voltage after which the card shut down...

It's working but now i am afraid i have caused damage to it because it didn't do this at the beginning and there is no warranty
Edited by farmdve - 5/6/11 at 3:36am
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post #2 of 7
The 1,1v is normal when the card is in 3D mode.
I never checked the the amps. But this would mean that the card is sucking 92,4Watts.
That is not that much.(When fully loaded)
I raised the clock up to 900+ without causing damage.
I really doubt that these settings will kill your card!
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post #3 of 7
Thread Starter 
The problem now is that the card shuts down even at slightest clocks i.e 1,100 voltage, and 800/1000 clocks. That is why i believe i may have damaged it(physical damage)
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post #4 of 7
Quote:
Originally Posted by farmdve View Post
The problem now is that the card shuts down even at slightest clocks i.e 1,100 voltage, and 800/1000 clocks. That is why i believe i may have damaged it(physical damage)
What does that mean? CCC restart/BSOD or what does happen?
How can you be shure that it isn`t a PSU 12v_rail problem is?
And everytime the card tries to get the needed power the PSU can`t deliver it.
Also you could try to run it on stock clock which are 725/1000MHz
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post #5 of 7
Thread Starter 
Running at stock is fine, however running at 800/1000(while 775 is the max clock in CCC so it is still safe) and voltage 1,149 it still crashed.

And no CCC restart(ccc doesnt even open), no BSOD just no picture(black screen) and fan blows at 100%

Pics

http://img864.imageshack.us/i/gpudn.jpg/
http://img714.imageshack.us/i/unledqt.jpg/

Everything was fine before, now the VRM amps go sky high, and VRM temps hit 110C while it hit 110 when i was near 1,200 voltage.

I ran OCCT GPU Linpack...i really have damaged the GPU, it had 86 errors for just a few seconds of checking.
Edited by farmdve - 5/6/11 at 9:25am
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post #6 of 7
Thread Starter 
24H bump.

The card shuts down at stock now. Really is broken, i think it's because too much current is flowing through it because the VRMs are broken(at least i think they broke).
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post #7 of 7
You can try the card in another machine. If it also does it there, yeah you need to replace the card sadly.
 
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