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

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Battery not regonized solid green magsafe light

The MacBook had tea spilled on it and I have replaced the logic board and the battery status indicator. I also purchased a new battery from ifixit. It booted up imediatley upon attaching the magsafe charger and runs fine but does not recognize the battery (it says no battery available with the black x) and the magsafe light is solid green. When I unplug the magsafe the computer basically goes into hyprination sleep. It will not turn on when only the magsafe is not plugged in. I have reset the PRAM and SMC multiple times to know avail. Amy help will be appreciated. It is running OS Sierra.

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1 Answer

It sounds like you need board repair. The ISL6259AHRTZ (I believe) is responsible for allowing voltage from the battery into the system power. The chip is probably full functioning, since your computer is working, but components near it may be broken. Alternatively, the data lines that your computer's SMC (system management controller) uses to communicate with the battery may be shot. Either way, I would recommend taking it somewhere that does component-level board repair, and offer a free diagnostic to get it checked out.

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4 Comments:

Sorry, didn't read that you had replaced the logic board. If you have a brand-new logic board and battery, one of the two must be faulty :(.

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I would recommend another DC IN jack, they are usually not that expensive to try.

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No...the DC Jack is definitely working perfectly. The DC-in board only effectively has three connections; 16.5V DC, Ground (which are definitely working as the computer switches on), and the ADAPTER_SENSE data line which communicates with the SMC (which is working as the MagSafe turns green).

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Thank you all. I have someone checking the board at the component level. I will get back with the findings.

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Adam Gibbs will be eternally grateful.
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