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Late 2011 model, A1278 / 2.4 GHz i5 or 2.8 GHz i7 processor.

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Replaced the battery and saw smoke

We got a used Macbook a couple of weeks ago that wasn't holding a charge long. So I decided to change the battery, but as soon as I plugged in the new one, there was smoke coming out of the area indicated. I pulled it out immediately, then put it back in, and I guess it was done burning up because it didn't smoke this time. But it's definitely not working now when I plug it in. Help!

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Oh God.

Well… good luck I guess… because that board is fried. I’d have someone else do it, that’s for sure

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Yup, apparently so :( Found someone who is fixing it for less than the part I needed. Guess he has connections probably.

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I would defiantly return that battery.

Please put the old battery back in and down this gem of a program called Coconut Battery and post your results.

https://coconut-flavour.com/coconutbatte...

This may help us to diagnose your problem.

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It's fried. It won't start so I can't do that.

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It won't start with the mag-safe plugged in? If so you have bigger issues not related to the battery.

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No, it won't. I replaced the battery, but the burning did not come from the battery. I am thinking something in the logic board fried. (see pics)

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You will need to find someone that does component level board repairs. Due to the age of this machine this may not be a viable alternative. See if you can find a reasonably priced replacement logic board.

PowerBook Medic does this type of board repairs.

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