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turn on without keyboard

Hi

I have the 15" retina macbook pro and would like to know where the logical board power pads are or the power pin on the keyboard connector is?

it's so frustrating because I don't know it.

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Sometimes you can turn it on by holding Command, Control and Power button. more than 3 seconds. The Power button replaces the Eject key in the case of the MacBook Air and the MacBook Pro with Retina display

Another method is to unplugging the battery connector for a few minutes, reconnect it, then connect the charger. OR short out pins 3 and 9 on the keyboard to logic board connector.

Of course you realize you could damage the board with this method.

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thanks for your answer. is the power pin 3 or 9. the reason i'm asking is because I like using the body as ground isntead of finding the ground pin.

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I don'k know which is the the hot pin. See this it recommends pin #5 Here's a site with a bunch of pictures for different models.. no '12 though.

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If you're looking for the traditional "power on" pads for the rMBP... here they are. Hope you can see from the pic. Will try to get a better shot soon.

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Bravo... thanx

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