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Help me fix my 7970 - UPDATE: The Soldering is real - Page 4

post #31 of 33
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Quote:
Originally Posted by Cyrious View Post

Well, there's more than one thing on the actual GPU that could go bad that allow for good basic output, but nothing more than that.

And have you tried cleaning up the crap around and on the GPU? If thats conductive/capacitive it could throw things off a bit.
Yep, no difference whatsoever.

Regarding the GPU itself, the screen was always good, sometimes the driver installation passed the crash point and i went in full resolution of the monitor, and after that, crash, but the image was good with no artifacts.
Quote:
Originally Posted by KarathKasun View Post

Could try baking it. Ive seen some 7900 series cards with some serious bend to them, enough to damage the solder joints.

You could try editing the BIOS with lower memory/core speeds. I have an old HD 2900 XT that has to have the memory dropped by ~100mhz to work properly anymore.
Bios edited, nothing chanded. I've set half the clock speed in everything apart from boot and idle where i knew it was stable. Nothing changed.

Baking, it may works, but is not a permanent fix. Moreover those solder balls underneath the chips have a 230°C melting point more or less (they are lead free, the last letter in the name of the chips "AFR"). And even with an improper overclock, there is no way you can get more that hot on the GPU board.
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post #32 of 33
You put it in an oven. thumb.gif

Ask all of the 8800/9800 GTX owners how to do it. Google "9800 GTX solder re-flow", should have a guide. You just need to get the card close enough to the melting point that it softens and reconnects. Or you can get a heat gun and do it the right way, which you will need if you re-do the memory chips anyway.
Edited by KarathKasun - 6/14/16 at 2:42pm
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post #33 of 33
Before baking it to try and reflow, I would try the Vram repair because you can kill a GPU completely by baking it.
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Overclock.net › Forums › Graphics Cards › Graphics Cards - General › Help me fix my 7970 - UPDATE: The Soldering is real