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Has anyone reflowed a motherboard in an oven?

post #1 of 9
Thread Starter 
I want to do this to a motherboard in a laptop I found in my storage shed. My dad has had it for about a year now and it's a DV2000 laptop with the ever-so-common blank screen. For a possible free laptop, why not try? Has anyone had successful results? Does it smell at all?
post #2 of 9
I did that to my toshiba satellite L300.
the laptop didn't turn on at all
after ovening the motherboard, i could go to the bios but cmos battery exploded and i think i damaged temp sensor because fan is going crazy all the time
I used 375 Fahrenheit for 8 minutes

first, i got cooking sheet
then put aluminum foil over the cooking sheet
make a ball out of aluminum foil so that it will keep motherboard off the baking sheet
place the aluminum foil ball over the cooking sheet
place the motherboard on the balls

this is how it looked like

remember to take all things out that can be removed like cpu, ram, heatsink sticker etc.
this laptop's cmos battery was soldered, so i had to leave it on
try removing express card cover because that melted

sorry for my dirty oven
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post #3 of 9
I reflowed an 8800GTX a couple months ago. Still works like a charm. You might smell it in the process, and it probably is toxic, so avoid inhaling it as much as possible, but it won't smell after it's done. When using aluminum balls as standoffs, know where components are (take good pictures) and be careful as components may fall off as the solder melts, so don't leave it in for too long, and don't get it too hot. Make sure the aluminum balls are not touching any components such as electrolytic capacitors. Place it on a bare part of the motherboard, or screw holes.
post #4 of 9
Thread Starter 
I've heard ~375 for 8 minutes is good. I'm probably going to give it a chance, I just wanted to know about the smell because it's not my oven lol. Would it be a good idea to clean the oven afterwards? And I also read somewhere it would help to cover the entire board in foil besides the front and back of the gpu (which is my problem). Good thing to do, or just don't worry about it? Thanks for the responses guys thumb.gif
post #5 of 9
Quote:
Originally Posted by KillThePancake View Post

I've heard ~375 for 8 minutes is good. I'm probably going to give it a chance, I just wanted to know about the smell because it's not my oven lol. Would it be a good idea to clean the oven afterwards? And I also read somewhere it would help to cover the entire board in foil besides the front and back of the gpu (which is my problem). Good thing to do, or just don't worry about it? Thanks for the responses guys thumb.gif

I would say not to worry about it. I've heard of capacitors being burnt by the foil having direct contact with them, although it doesn't seem like that'll be a problem to you, I still don't think it's necessary. Just make sure you let it have a slow cooldown.
post #6 of 9
I ve done a 8800 GT.
But i had no control over the temp so i used a test PCB with solder on it and saw the time when i goes liquid ,after this i repeated the steps with the cards and applied around 10 minutes heat to the card.
Use some screws to place it upper on the surface used.
Remove all heasinks and while cooking it take a look at the capacitors ,if they swallow stop the process.
When you see the solder changing and being liquid turn the oven off and let it be until it cools.
   
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post #7 of 9
I opened all the windows immediately after i took the motherboard out.
I used aluminum balls as standoff too.
I put that on the bare spot like place below hard drive
smells pretty bad.

I let them cooled down until they were room temperature for 20 minutes
I put oven for max temp to clean the oven for 5 min (i'm not sure if that's enough)

Yeah, always take cmos battery out if possible
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Microsoft Wireless Keyboard 800 Corsair CX 430M(now gone), used tx650 Silverstone ML03B BELKIN Microsoft mouse 
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post #8 of 9
Thread Starter 
Thanks guys, I'll definitely do this sometime soon. Might even make an update of how it worked. Oh, and thanks for the free spam ^^
post #9 of 9
Quote:
Originally Posted by KillThePancake View Post

I want to do this to a motherboard in a laptop I found in my storage shed. My dad has had it for about a year now and it's a DV2000 laptop with the ever-so-common blank screen. For a possible free laptop, why not try? Has anyone had successful results? Does it smell at all?

Yes on the laptop motherboard cooking, as well as for the desktop but the laptop motherboard is much more easier to do.

The DV2000 series I do not like because, I had several clients before with that series and the common issue of that laptop is the gpu goes bad due to excess overheating and it dies. But its so common and fixable, the only thing not fixable are the users they do not care to use a laptop cooler or when to shut-it down especially in a country that has a normal temp of 35-40°.

About the smell . . . it's AWESOME biggrin.gif
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