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Just baked my GTX 580 and .... - Page 3

post #21 of 23
Quote:
Originally Posted by intelfan View Post

When the card heats and cools down, the solder joints expand and contract respectively. It has to be done multiple times cause it's a temporary fix.

The thing is it wasn't done correctly, that's why it was done multiple times. You need to have it at a specific heat which the solder nearly melts but not to the point of liquifying it, also you need to cool it down very gradually. Also you need to factor in the outside/room temperature along with the inner temperature, cooling conditions, cooling time and the break-in stress test right after. These aside from the cleaning you did before baking it.

Though it's not advisable to go straight to baking, it's better to check/test all components first as such are the capacitors, transistors and etc. before hand. When you have accumulated and cleared the parts of defects then re-flow or oven trick is a resort to take for most without tinkering toys.

Regarding the drivers and BIOS, as mentioned earlier: You do not need to take that troubleshooting path because (the short answer) "it was working before if no other issue arises before, hardware changes or otherwise" then you can presume the problem arose from a different path. You may take the hardware path to troubleshoot. From there you check hardware specifics as such: cooling conditions card and/or chassis, re-seating, cables and power.

I've done several dozen already from FX, GT, GTO, GTS to GTX 2,4,5,6 series and a handful of 5,6 series of ATI with some lovely mobo's that people threw away because its out of warranty. A good lot doesn't need baking only rigorous parts checking and replacing (the real hard part is finding and waiting for the replacement parts, arggh), though I like baking especially when loading 2 to 4 cards simultaneously.



rolleyes.gif "Oh how I love the smell of solder in the morning!"
Edited by psychophat - 8/23/13 at 8:34am
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post #22 of 23
I have a PNY Geforce GTX 550 Ti
It artifacts at BIOS, windows boot and in windows.

I attempted a reflow. With 100C at 3min & 200C at 10min using a heater gun.

I used foil to protect the card and focused the heat on the gpu chip.

It was difficult to determine how hot the chip was getting. I set to heat gun to 300c so hopefully it reached the correct temp. So, I let cool for 30 min

but NO CHANGE. The artifacts remained.

Anyone with experience on measuring temp? Should I use a non-contact temp sensor?
Or If not the gpu chip what else can I check?


Thanks
-Jordy
post #23 of 23
Okay, initial question:

SERIOUSLY How long did you run @ 300°C, are you sure it's C and not F (seriously 300°C are you freak'n sure 300°C that's 572°F)?

Kindly clarify the above statement then follow below and refer to my previous post so there won't be any duplicates:

http://www.overclock.net/t/1417584/opinions-on-baking-your-gpu/0_30#post_20687180

My questions aside from the check-points provided on the above link:
- Do you have testing toys and etc. (multi-tester, temp gun, reflow station, etc.)?
- Did you check the other components for deterioration?
- Did you cover the whole top part of the card with foil properly (no spaces for the air to reach other components)?
- Did you protect the other components leaving a square hole on the foil over the GPU processor prior when you did your heatgun baking?
- What is the working room temperature when you've done this?
- Did you do focus fire or did a snake game technique?
- Are you sure you ran the checkpoints from the link above?

You have the option not to measure temp while cooking but it's important to check the heat given by the modules when in operation.

It's not always the processor, but it's the most common. There are the memory modules, voltage modules, caps, ic and etc., these you need to check aside from the checkpoints on the link above. From solder deterioration to link connectivity of the components.

Kindly describe the steps you took from pre-heating to final cooling. And other steps before you did the cooking process so I can visualize the issue and we can make a checklist to do.



wink.gif  There's the easy way or the right way.
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