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Released June 2009 / 2.66, 2.8, or 3.06 GHz Core 2 Duo Processor

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My battery won’t charge and the light doesn’t come on

My battery won’t charge after I bought a new charger.. it just turns a light green but nothing happens. Anyone have an idea of what the problem is??

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Most Helpful Answer

A light green MagSafe LED is telling us the switching MOSFET on the logic board is leaking. This happens when a cheap knockoff charger was used damaging the logic board.

Here’s the IFIXIT guide you’ll need to follow to replace it MacBook Pro 15" Unibody Mid 2009 Logic Board Replacement and here are the possible logic boards MacBook Pro 15" Unibody (Mid 2009) 2.66 GHz Logic Board, MacBook Pro 15" Unibody (Mid 2009) 2.8 GHz Logic Board or MacBook Pro 15" Unibody (Mid 2009) 3.06 GHz Logic Board. While someone with good skills could diagnose the logic board and repair it the cost is not much more to just replacing it.

You still have an issue with the battery and charger. You’ll need to get a real Apple charger to replace yours. Lacking safety features, cheap MacBook chargers create big sparks & Counterfeit Macbook charger teardown: convincing outside but dangerous inside. You also want to use a good surge suppressor as well.

Once you get your system working check the batteries health using CoconutBattery paste a snapshot of the main window here for us to see Adding images to an existing question

MacBook Pro 15" Unibody (Mid 2009) 3.06 GHz Logic Board Imagem

Product

MacBook Pro 15" Unibody (Mid 2009) 3.06 GHz Logic Board

$74,99

MacBook Pro 15" Unibody (Mid 2009) 2.8 GHz Logic Board Imagem

Product

MacBook Pro 15" Unibody (Mid 2009) 2.8 GHz Logic Board

$63,99

MacBook Pro 15" Unibody (Mid 2009) 2.66 GHz Logic Board Imagem

Product

MacBook Pro 15" Unibody (Mid 2009) 2.66 GHz Logic Board

$52,99

MacBook Pro 15" Unibody Mid 2009 Logic Board Imagem

Guide

MacBook Pro 15" Unibody Mid 2009 Logic Board Replacement

Difficulty:

Difícil

1 - 2 hours

iFixit Imagem

Guide

Adding images to an existing question

Difficulty:

Muito fácil

2 - 5 minutes

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It sounds like it might be the logic-board (or i/o board) is having a failure or defect. But from my frequent apple visits and hearing other customers talk, if it was that, which to not freak you out but is a rather large component and larger problem than the battery. But it could be the battery maybe but I saw my dad’s computer where we tried that with a similar issue and ordered a battery but it wouldn’t hold a charge still (like i suspected but he couldn’t understand) But the logic board is where the CPU and other important things are on so it can be expensive. May I ask how old the device is? If you have applecare warranty I would use it immediately.

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