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Model A1502 / 2.6 GHz (Turbo Boost up to 3.1 GHz) or 2.8 GHz (Turbo Boost up to 3.3 GHz) dual-core Intel Core i7 processor with 4MB shared L3 cache.

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logic board isopropylled where there was corrosion

Old macbook from the missus, previously had no battery power being plugged in, no charger light. Opened and took logic board out found slight damage on the logic board.

Block Image

Seems its peeled abit behind that and cleaned the corrosion off already.

on the back side of the laptop had corrosion on this part

Block Image

cleaned that off and now about to see whether the laptop will charge or not. My question is does it look like any of these chips need to be replaced? Looking at the batteries they seem fine on the actual laptop.

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@kmkz hopefully those images were taken before you cleaned it. If not, then you definitely want to clean it some more. Also try to zoom in to those areas to inspect the components a bit closer. Image one seems to show some corroded pins as well. Zooming in with an image viewer does not provdie a good enough details to make those out. You actually have to use your camera to do that. What is the 820-xxxx number on your board.

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that was prior to cleaning, i have put everything back in place cleaned, now i finally have power to the macbook!!! problem is now, the charging port is amber (obviously because i couldn't charge it before), how long would i need to 'charge' it before i can turn it on?


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by cleaning with the isopropyl alcohol i was able to work the laptop back and now have power into it. At first it did not boot up, so I did the whole hold down the power for 10 seconds then plugged in the charger, now i have a working mac!

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