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Released June 2012 / Core i7 processor with Turbo Boost / Up to 1 GB GDDR5 Video RAM

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MacBook Board Repair Help

Hello I have a 820-2915-A this macbook charges the battery goes green to orange doesnt power on from the power button or the power pads on the board I try new keyboard still the same. I tested this

PP3v42_G3H: 3.48v

PPBus_G3H: 12.58V

pp18v5_dcin_fuse :17.32V

pp5v_S5 3.3V

pp3v3_S5 3.3V

pp3v3_s4 3.3V

I dont see any water damage the customer said it just wont power on .

Is there anything else I need to test or any idea whats the culprit?

Answered! View the answer I have this problem too

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If you have just 3.3v on pp5v_S5 I’d start from that. All the rest seems in order.

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Made a mistake there its showing 4.98v

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Unplug the battery and mag-safe, Press and hold the power button for 10 seconds, Plug the battery and mag-safe back in and see if you get a spontaneous reboot.

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Didn’t work buddy.

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Probable bad logic board then, sorry.

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Johnny will be eternally grateful.
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