Chosen Solution
Hi there, I searched for the right answer already and have some questions left. I spilled a little bit water on the left side (logic board side) of my MacBook Pro 13” (Late 2011). The battery didn’t work afterwards. I bought a new one and now I realise it must be a different problem. If I connect the MagSafe Connector, the green light (not the dimmed green light) comes on and the log-in pages tells me 100%. After the log-in the Mac shows the right percentage (~50% atm). My sister has the same laptop and is in the town atm, so I can test some parts. Which one should I test? Could it be a faulty MacSafe DC-In board even if it’s not the dim green light in my case? I can provide pictures (in better quality) if necessary. Just tell me what you want to see. Thank you very much Paul
The DC in board could Part of the problem, but really the most important thing is to look all around the logic board for any corrosion. If you find any, look to what it does, does the trace connect to a battery monitoring chip? Does the pin on the chip connect to the DC in board? Look all over, even on the other side of the board, for any corrosion at all. My 2009 MacBook Pro was completely wiped out by a little bit of corrosion smaller than a crumb, so it is definitely possible that the power delivery circuit, which is on the edge of the board, was damaged.
