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G35-av650 GPU solder problem

I have a question, I have a Qosmio G35-AV650 and I have had a problem with the NVidia GPU on the motherboard. Whenever it heats up, it fries out the solder on the board and looses it connection. I sent it in one time and all they did was swap the motherboard with another refurbished one(I could have done that), but when the computer gets intensive tasks going after sometime, it will give me the lines in my screen, and then not give me any screen at all into bootup. I know they re-solder the chip, but is there a fix for that, and how do you re-solder the chip etc etc?? It's a great laptop if this doesn't keep helping.

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As far as the solder question, it's done with something that looks like a big meat tenderizer (picture a whole bunch of soldering iron tips heated all at the same time). Very intense to do with something of your own. You'd have to find a soldering iron with a very small tip. You might try finding a heat sink that's the size of the chip and saw off the fins until it fits between the motherboard and chassis (or wherever). For fun I took apart an old laptop. They used a fan similar to one that connects to the card slots in the back of a desktop PC. The fan exhausts along the one edge of the blades. Check out a computer store that sells used equipment and see if they have a PCI/PCIe graphics card that's got a fan for cooling you could use. I know it's going to be hard to find something small enough to fit inside the laptop, but that's a possibility.

Posted on Jan 23, 2009


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