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MacBook turns of after few seconds during startup

Hi, My Macbook turns off after app. 10 secinds during startup.

I did a lot of google on this, and can see different suggestions but no clear answer.

If I hold a key on the keyboard, it sometimes will start, so I was able to do a backup.

After new installation of MacOS it has the same error, so it must be a hardware error.

I can see that a lot of suggestions point on the keyboard, and I could try to replace that, but I cant see a guide for this here.

Anyone with the same experience og a suggestion on what to do?

Thanks,

Henrik

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Please give us a history on this machine.

12 sep. 2017 door mayer

What do you mean about history? Nothing special has happened to the machine. No liquid or other accidents. Just normal daily use.

12 sep. 2017 door Henrik Follmann

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Gepost: 12 sep. 2017

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You need to determine whether it's a keyboard issue or a board-related issue. Pull the keyboard cable and jump the laptop with the power-on pads on the board. If it stays on, you have a bad keyboard. If it still shuts off, you're likely dealing with a board issue.

The fact that "holding a key" allows it to stay on suggests you probably have a bad keyboard with a stuck key. Often in that case, holding in a key can temporarily counteract the effect of the stuck key.

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MacBook Pro 13" Retina Display Late 2013

MacBook turns of after few seconds during startup

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