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Issues with MSI Twin Frozr 7950 and Koolance 7970 Block - Page 2

post #11 of 25
Pictures would be very helpful. One thought do both of the cables you are using say PCIE on them, I only ask because the ax750 comes with 2 8-pin ATX/EPS connectors?
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post #12 of 25
Thread Starter 
Yeah its a 8 pin connector to the PSU and its split into two 8pins like in the picture.

post #13 of 25
I didn't think it would be that easy. As far as looks go yours looks just like my 7950. I have a heatkiller block on mine. Maybe there is a short somewhere?
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post #14 of 25
Thread Starter 
Possibly, but I don't know how I would go about checking that. Any help as to how I should go about it?
Edited by maeriooo - 3/12/13 at 7:02pm
post #15 of 25
This is a strange problem. If the 7950 worked in the pc that the 5850 came out of, but doesn't boot in the other pc then it may be possible that the koolance block may be touching something on the motherboard and is shorting out. That seems far fetched but I can't explain why it would be touching something on one board and not another, but you could look underneath and see if it is touching the MB or another component. Again that doesn't seem likely but that is the last thing I can think of.
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post #16 of 25
Thread Starter 
Yeah I'm out of ideas as well, I'll check and see if anything touches around and see if I can think of anything else.
post #17 of 25
You could also try a seperate cable for each power connector instead of the 2 in 1 that you are using. It shouldn't matter that PSU is plenty for that card and it is a single rail so it should be the same either way.
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post #18 of 25
Thread Starter 
So I tried every cable combination possible and nothing worked. I randomly thought to myself let's switch it, so I switched it to the pcie 8x slot (right below x16 slot) and it works perfectly with the single cable setup. Do you think it's a faulty slot or something weird in the bios? But then why does it work with the 5850 in the x16 slot?
Edited by maeriooo - 3/13/13 at 4:31pm
post #19 of 25
Just a guess but is one of the pins bent on the x16 slot that is a ground? If it is then it might be one that the 7950 uses and not the 5850.
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post #20 of 25
Quote:
Originally Posted by Gdubz22 View Post

Just a guess but is one of the pins bent on the x16 slot that is a ground? If it is then it might be one that the 7950 uses and not the 5850.

That could be a possibility as well. You could try looking for the pin with a flashlight.
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