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Bake your Graphics Card in the Oven Fix " IT WORKED" - Page 54

post #531 of 748
Consumer ovens are for chumps. I use a reflow machine.
post #532 of 748
Funny how this thread still lives smile.gif Just did it again with an ASUS RT-N16 router today, had random power losses for about a year or so, until today where it wouldn't even stay powered on for more than a few seconds.
I thought "screw it" and threw it in the oven at 180c for 8 minutes, which was too much as the caps started bulging, but it has now been running for about 30 minutes without any issues. Here's to hoping that it will be error-free for the next year or 2! smile.gif
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post #533 of 748
Quote:
Originally Posted by gonX View Post

Funny how this thread still lives smile.gif Just did it again with an ASUS RT-N16 router today, had random power losses for about a year or so, until today where it wouldn't even stay powered on for more than a few seconds.
I thought "screw it" and threw it in the oven at 180c for 8 minutes, which was too much as the caps started bulging, but it has now been running for about 30 minutes without any issues. Here's to hoping that it will be error-free for the next year or 2! smile.gif

Reflowing helps resolder poor or loose soldering on BGA components such as a GPU... You can't just throw any electronics in the oven...

Sent from my Galaxy Nexus using Tapatalk
post #534 of 748
Quote:
Originally Posted by DonDizzurp View Post

Reflowing helps resolder poor or loose soldering on BGA components such as a GPU... You can't just throw any electronics in the oven...

Sent from my Galaxy Nexus using Tapatalk

Yes, the CPU in most routers are BGA soldered. Don't get me wrong, I'm not saying "put your phone in the oven" when something doesn't work, but it was VERY likely it was the culprit since it turned off completely at random times. It would never restart unless you replugged the power.
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post #535 of 748
Hi, a friend of mine gave me a gtx 580 dcu2, claiming the card was dead.

When booting, i was unable to launch 3D applications, and got errors saying the graphic card hadn't enough memory. In the hardware panel, the card was also displayed with an error 43. Unable to change the resolution, and tried several different drivers.

I've put the card in the oven and was able to revive it, more or less : able to change resolution, able to launch a 3D game and recognized by the driver. After some time the whole system locks, and in 3D i had artefacts.

The thing is, when i baked the card, i used tin foil to protect the capacitor zone The card was baked like 9 minutes at 200°C, as I wasn't so confident with the caps as they are rated for 40°C storage temps. Here is my question : do i put it again in the oven for 10 minutes with, or without tin foil over the capacitors?
post #536 of 748
Apologies got somewhat irritated on post #531 . . . offtopic.gif . . . sigh* too old and too bored to troll.

Had you given several of your hours in reading and digesting the previous posts. Also have you done a quick summary of the steps done by most, it's helpful to write things down to evaluate the path you will take to avoid mishaps.

Well, I'll be blunt and I would say that you over did it by a margin or two from the threshold point. But it's only me and still there are factors that may save your card from your previous flow process. Also why use tin foil on the caps? High chance it's youtube's fault . . . nod . . . nod.

You should provide feedback:
- board magnification check
- a breakdown of your process
- materials you use
- cleaning job
- post testing
- oven limits or settings
- etc.

If you can provide these I'll try my best to provide some assistance in your revival goal.

DEC 2013 to this posting's date:
+1 XFX 750a SLi
+1 ASUS Sabertooth P67
+1 ASUS Maximus VI GENE
+1 CORSAIR HX 1050
+1 CORSAIR TX 650
+1 CORSAIR AX 860

My Current count on a consumer oven: (67 : 0) GPU / (13 : 0) MOBO / (11 : 0) PSU / (16 : 0) ECU and tons of other electronic boards from different systems and vehicles all done on on 17yr old Elba consumer oven.


tongue.gif DIY = FTW
Edited by psychophat - 3/7/14 at 10:50pm
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post #537 of 748
Hi Psychophat, thanks you for replying.

I have read a lot through previous posts. I have used tin foil on caps as i've read some blown on unfortunate experiences, and as previously told, they are rated for a particular storage temperature.

I wasn't too confident the 1st time putting a graphic card in the oven, and have let it for 9 minutes or so, not full to 10.
The oven is a "heat rotating oven" (don't know if the translation is accurate enough), and I've put it to 200°C. The oven can go up to 275°C.

About the board magnification check, as far i can tell, nothing looks crackled, neither caps look inflated. The pci bracket gone to blue colour, so it indicates the graphic card had a lot of heat before showing any issues.

The cleaning was to undust as properly as possible, and use alcohol on the gpu heatsink to clean all remaining thermal paste.
The card was fully disassembled, and put on a oven plate, as straight as possible, with tin foil to raise the graphic card.

The oven was preheated, and the card placed with the gpu upside ( didn't want to see any component fall down, even if the duration was short).

Past 9:30 minutes, the oven was lightly openend, and i've removed the graphic card from it after 2-3 minutes. The graphic card was cooled for more than 30 minutes before any tests. Maybe the cooling was too quick also, as a window was open due to the pcb smell.

Concerning the post testing, i was able to launch 3d application, like skyrim, with artefacts, before a system lockdown. Previously it wasn't possible. Also, the driver recognition and resolution changes are available, it wasn't the case before the backing.
Even with no 3d application launched, the system locks down after a few minutes.

Hope there is enough information, and next time I will probably do full cleaning with alcohol, and do 10 minutes, with a less stress cooling.
It's a cooking oven, not sure about any toxic emission for later food cooking...
post #538 of 748
Good thing is that it still displays, got worried when you ran it at 200°C because at my preference it's a bit high though you only ran it at 9mins. which I can say is incomplete but I am somewhat relieved and believe you can redo it over. BTW what is your location and how is the ambient room temperature there. I'm asking so we can have a base temp. to set the oven cooking temperature.

I normally only use 180° C / 356° F at total of 13 minutes and the full 30 minutes to cool the oven down to room temp. with an inch only opening. The reason is to do a pseudo heating ramp the heat goes up to near melting then drops, then heats up again for final then gradually drops to cool at room temperature. The ramp is lengthened and spanned at almost 45 minutes overall in-oven time.

The board checking through magnification to me is very important, it's part of the pre-check before and after cleaning. Also alignment and position is a norm. nowadays in my pre-baking process. At bad times when you may also need to run it using a tester or do a rework when replacing individual components, . . . meh just part of my routine of thoroughly searching for the culprit before doing a BGA or baking.

The solder smell is unavoidable, our kitchen oven which I use is no longer fit for baking food. Because of the countless times I've pre-heat pcb boards on it, I believe it's already contaminated even after countless cleaning.

HEAT: The post testing is good aside from the lockdown, was it a bluescreen (BSOD)? Normally it shouldn't but since you've mentioned artifacts still remain, we can say it's incomplete or half-baked. Overheating may be the culprit, you need to check the heatsink if it's properly flattened on the GPU. Also try testing by jumping into the BIOS and check the heat temp. by touching the heatsink only. You may gauge if it's getting hot or it's hot already or its very hot. The norm is that it's just warm or cold if your room temp is under 20.

Regarding putting things back, do make sure the board is leveled use a book as base for the board and make sure when putting the screws back you place each screw 1 or 2 turns only not tightening it all the way then putting other screws starting at the center and going around not at a straight line. Then when all screws are placed start again from the center going around outward, also this is important do not over torque the screws just a small resistance is enough.

Cleaning is very very important, I would suggest 99% IPA and not the off the shelf one's, or diswashing liquid and distilled water. Use a soft bristled toothbrush, or just a plain toothbrush will do. If you have a vacuum cleaner that can be plugged as a blower that is perfect. Just run it as a blower several times on different directions, before you do IPA or liquid cleaning. Also it's good for drying, just a note do not use a hair dryer unless its like 1 feet away from the board.

OPTIONAL: Going back, after baking you've got the option to test without the heatsink but only upto the BIOS for a few seconds after that it will crash just turn it off quickly. But what you're looking for is artifacts if none, you may continue testing but reinstalling the heatsink and fan without thermal paste. This next test is only good upto your operating system desktop (if windows go on safe-mode only), then check again for artifacts you should shutdown after several minutes. Also get an application that monitors video card temp its very handy.

ARTIFACTS: You have the option not to open games, but you need to run multiple windows or video's to check the processing of your GPU. Though running 3D applications or games if preferred, the purpose again is just to look for those artifacts or screen anomaly.


thumb.gifNow you decide on which phat you will take, MECH WARRIOR !!!
Edited by psychophat - 3/10/14 at 7:53am
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post #539 of 748
Well, it is well into the year 2014. The 8800 GT still works.
    
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post #540 of 748
I think I'll do this to my deceased 290x, nothing to lose. tongue.gif
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