MackBook Air Logic Board Corrosion

Can't see much from the picture, but I trust your description. If you have corrosion around the connector it is likely a water damaged Mba and that's the reason why you got it cheap. Most probably it got shorted by the spill and some power/charging components/power rail got burnt. It will require diagnostic and component level soldering skills..are you up for the task and have the necessary tools ?

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Thanks for the answers.

I actually managed to get it running.

I seemd that two lines were shorted, and I managed to fix it by carefully scraping away the residue (or corrosion, whatever you want to call it).

There’s no sign of water damage anywhere else on the board and it seems like an odd place for water to get to without damaging anything else.

Anyway, do you think I need to apply solder to it now? I’ve left it running for a good few hours and all seems fine.

I’ve got a steady hand, but never touched anything so small and intricate before.

boris 의 2018년 6월 19일

You are a lucky man :) However, unless properly decontaminated, liquid damaged devices may develop sooner or later other issues or might just stop working. I would recommend to follow the steps you'll find in this good guide to water damaged Macs:

MacBook water damage - The definitive guide

arbaman 의 2018년 6월 20일

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Thanks for the answers.

I actually managed to get it running.

I seemd that two lines were shorted, and I managed to fix it by carefully scraping away the residue (or corrosion, whatever you want to call it).

There’s no sign of water damage anywhere else on the board and it seems like an odd place for water to get to without damaging anything else.

Anyway, do you think I need to apply solder to it now? I’ve left it running for a good few hours and all seems fine.

I’ve got a steady hand, but never touched anything so small and intricate before. — boris
You are a lucky man :) However, unless properly decontaminated, liquid damaged devices may develop sooner or later other issues or might just stop working. I would recommend to follow the steps you'll find in this good guide to water damaged Macs:

MacBook water damage - The definitive guide — arbaman

MacBook Air 13" Mid 2013

MackBook Air Logic Board Corrosion

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