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White substance on back of motherboard.

Posted on 2004-10-10
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Last Modified: 2012-05-05
Hi.  Yes, i seem to have some sort of substance on the back of my motherboard.  Lemme give ya the quick rundown on everything   The mobo is an Abit IS7-E, which ive been using for about a year or so now with no troubles.  I read some other post's on the site about fried motherboards and i have all the typical signs and symptoms.  Fans only do a small shudder then everythings dead.  I switched out the psu with another to check that, same thing.  I checked the cpu in another mobo, and it works fine.  Both my 512mb sticks work fine in the other mobo.  I checked all the jumpers and all connections, everythings where it should be.  I didnt notice any blown resistors or anything like that, but when i took the board out i saw that it had streaks of a white substance on the back.  Almost like salt stains or something.  Anyway, i just wanted to see if anybody has ever encountered this before or what might cause it so as to avoid a similair mistake on the future.  If ive left anything out lemme know and ill post whacha need.  (Besides this was a great excuse to go get my IC7-G Max III....lol)  Thanks for your time.  
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Question by:Xyrenn
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tmj883 earned 63 total points
ID: 12271652
Sounds like your capacitors have leaked, the white steaks being dried eletrolyte(salt stains).
T
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by:stockhes
stockhes earned 62 total points
ID: 12272811
If its a capacitor issue many brands incl. Abit repairs Motherboards even out of warranty

Abit is one of the brands that admits the capacitor issue.

If you want the story:

http://www.spectrum.ieee.org/WEBONLY/resource/feb03/ncap.html
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