Mid 2009 Model A1278 / 2.26 or 2.53 GHz Core 2 Duo processor EMC 2326

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Battery will not charge. MagSafe adapter remains green?

Guys a bump. But I have the same issue, and I can't see the solution that dmit2k has submitted. Perhaps it will help me out, can anyone tell the solution?

Answered! View the answer I have this problem too

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Serdar, You really need to create your own question with your own details. tagging on to someone else's won't get the visibility. Besides, dmit2k hasn't offered an answer here.

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That is what I thought in first place also, but both Pdgoodman and Alex Sbardella refer to a comment of user Dmit2k. That solved their problem.

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Chosen Solution

Here's where to get all the information about your Mac battery that you ever wanted to know and much more:

https://support.apple.com/en-us/HT204054

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Does it have an X on the battery? This is SMC data line being pulled down, or bad SMC.

Does it say battery not charging? This is PPBUS_G3H not being created, current sensing issue on the charger, or current sensing issue on the battery.

Does it work off the battery but not off the charger, or does it work off the charger and not off the battery?

Does it work off the battery and not charge it, or does it NOT work off the battery and not charge it?

These are all separate issues, from battery detection, to current sensing on the charger, to current sensing on the battery, to PPBUS_G3H not being created at all.

Watch this in full and you will have every piece of knowledge required to answer this question. https://www.youtube.com/watch?v=6I2Rd2iV...

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Hello Serdar,

actually my solution was simple: there is one more circuit board inside macbook which is responsive for displaying battery charge with green led lights when you press the button. When it is damaged it may confuse the mainboard that charging is not working or no battery at all. The magsafe unit and the mainboard still may work properly, even if liquid damaged.

In my case I simply disconnected this led lights circuit from the mainboard and the macbook started charging the battery.

Later I carefully washed this circuit AND the mainboard + magsafe module with DISTILLED water, let it dry two days and things worked again, including the led lights.

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What is the name of this "one more circuit board"? Can you give us a link to back up your statement?

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I need you to go up to the battery icon and hold the Option key and click the battery icon at the same time.

if it says "Condition: Consumed", then you need a new battery.

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Serdar Coskun will be eternally grateful.
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