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Modelo A1278 /Procesador 2.4 o 2.66 GHz Core 2 Duo de mediados de 2010

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MacBook won't boot or charge with and without battery

Hi,

here's what I tried so far:

- a different charger

- removing the battery

- cleaning the ports with alcohol

Sometimes when I connect the charger, the plug LED turns green for a second and then goes off. When I tried to power it on without the battery, it sounded like the fan started to rotate for a second and then stopped.

Do you think the MagSafe board could be damaged?

Thanks in advance.

EDIT: I somehow managed to get the plug LED turn green when I connect the charger. However, it won't turn orange. The MacBook still won't boot. When I press the power button, the LED goes out for a second or so and then turns green again.

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If you still have some life in the system lets install this gem of an app: CoconutBattery take a snapshot of the main window with the MAgSafe charger connected and post it here for us to see.

If your system is not able to boot up as the battery is fully discharged then you’ll need a fresh battery. Its possible given the age of your system the battery needs replacing any ways.

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Thanks for your reply. Do you really think the problem could be cause by a faulty battery, even though the MacBook won't boot without the battery, either?

- de

The process here was diagnostic not pointing to the battery as the root issue. But given the age of your system it likely needs replacing any ways. If you still have enough battery left to get the data now then thats fine.

The other direction which is more complex is to test the circuit using a DVM to test the circuitry out

- de

Again, thanks for your reply. I decided to order both, a new battery and a new MagSafe board (since it's relatively cheap).

- de

With your update note, your logic board charging logic will need repairs are you up to micro soldering & reading schematics?

- de

No, I'm not. Why do you think the logic will need repairs?

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The problem is with your logic board, it can be the problem with Power Management IC.

Try with a different charger at first.

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