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crwdns2893792:0crwdne2893792:0 Beach Fixer ,

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I understand this is an older thread, but I just had one of these in my shop for no power and no light on the magsafe charger.  My customer to it to a local Mac retailer (no Apple store in immediate area) and they wanted $450 to send it to Apple just for diagnosis!!!

I was able to determine that the mainboard has some slight liquid damage to it.  Toward the rear of the laptop an unused pop connector had slight corrosion on a couple of the leads.  A few shots of QD Electronic Cleaner and slight scrubbing with a toothbrush to remove the corrosion was all it took to return the laptop to a working state.

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open