Is my Asus laptop motherboard toast?

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Siltz

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Hello. Today I decided to clean out my fan ducts, so I removed the plate on my laptop's back and took out the cooling unit, cleaned it and put it back in. After putting the battery back in, I heard a faint crackling sound, so I removed it and checked to see if anything was wrong. I thought I smelled burning (and as I later found out, it was). Sooo I put the battery in once again, this time nothing happened. But when the power cord was plugged in it crackled again, stronger, and smoke came out from the side where my DVD drive used to be. I removed all power to the machine.

After disassembly (and lots of searching on the net) I found that my super I/O chip had fried. I don't know if it's safe to try to power on the machine again. What do you think, is the motherboard toast or is there a workaround to make it work even with a burnt chip?

Pics: http://www.flickr.com/photos/[email protected]/

It's the chip with ITE and obvious scars on it. All and any help appreciated.
 

Triple6

Rob
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Dec 26, 2002
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Not sure why you think it would power on at all after whats happened, the pictures show severe damage to that chip and I bet the damage extends further, so basically the motherboard is dead - although it may give off some more smoke if you do attempt it. You'll need either a new motherboard or a new laptop.
 

Siltz

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So that's it. Out of the blue, just happened. Dead. My other laptop is an HP Pavilion dv6700, so it also has mobo issues. I have "cooked" both laptops' mobos several times. This may also have caused some damage to that particular chip, although it took 4 months to show in this case.

Also I would like to know what could cause such damage to a chip? Damaged battery that causes overvoltage, short-circuits?
 
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Oct 17, 2012
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It wasn't out of the blue at all. You disassembled it and when put back together something went wrong. You may have grounded it out. In my 17 years in the field I've taken apart one laptop and have never done it again. Too many things can go wrong working with such tight parameters.
 
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In my 17 years in the field I've taken apart one laptop and have never done it again. Too many things can go wrong working with such tight parameters.
I've taken apart several laptops and never had an issue. Just have to double check everything before applying power.

I've never seen a Super I/O chip that fried before. I have seen toasted southbridges, but they're usually on desktop motherboards.

As for a new motherboard, check eBay.. but make sure the seller guarantees it and has a high approval rating.
 
Joined
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Messages
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I've taken apart several laptops and never had an issue. Just have to double check everything before applying power.

I've never seen a Super I/O chip that fried before. I have seen toasted southbridges, but they're usually on desktop motherboards.

As for a new motherboard, check eBay.. but make sure the seller guarantees it and has a high approval rating.

I leave them to the laptop specialists. I am or will not put myself in a position where I may or may not have to buy a customer a new laptop! I was not implying anything towards you as I don't even know you, or your level of experience. :)
 
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