Oven Trick

I've lost count of how many times I've done this with graphics cards and Xboxes in the past for myself or others. The part that most people forget or don't care about is that if the thing has failed due to the part getting too hot (and cooling again) a lot, it's best to add in a better cooling solution. The last generation of Xbox 360s came with a far superior cooler. You could buy that grill cheap as chips and add them to your diy fixed machine. You could overheat the Xbox and fix it but unless gave it a better cooling solution it's always going to go again sometime.

Same with GPUs. If you're gonna cook it, look out for better cheap third party cooler shrouds or even just better fans. It could make the world of a difference.
 
It's called reflowing. They actually use this method in the making of the motherboards although as you can imagine it's all clinically done.

Only partially, most of the solder is added after the reflow oven process. There are almost no plastics in place when reflow is done in the factory oven. :)
The wave soldering is where most of the solder is added.

This is a great video to show the manufacturing process.


If using the oven works, your lucky, but it can potentially damage other parts.
 
Only partially, most of the solder is added after the reflow oven process. There are almost no plastics in place when reflow is done in the factory oven. :)
The wave soldering is where most of the solder is added.

Yep, Surface mount parts are reflow soldered. Pin Through Hole parts are Wave Soldered.
 
We've got a proper reflow rig at work, it works on individual IC's but uses an area heater to heat the back of the board (to prevent thermal shock problems) whilst an IR lamp heats the device itself. It only heats at full temp for 15 seconds. 225 C for leaded solder and 245 C for lead-free. You also surround the IC with gel flux to make sure the joints make properly.
 
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