MacBook won't boot or charge with and without battery

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MacBook Pro 13インチ Unibody Mid 2010

Mid 2010 Model A1278 / 2.4 もしくは 2.66 GHz Core 2 Duoプロセッサ

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Wonthelm @wonthelm

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投稿日: 2018年6月16日

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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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Dan @danj 評価: 479.3千 Self employed contract worker 35 329 971 · Answer 1 · 2018-06-16T10:48:52-07:00

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Dan @danj

評価: 479.3千

Self employed contract worker

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971

投稿日: 2018年6月16日

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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?

Wonthelm さんによる2018年6月16日

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

Dan さんによる2018年6月16日

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

Wonthelm さんによる2018年6月16日

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

Dan さんによる2018年6月16日

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

Wonthelm さんによる2018年6月16日

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