SOLVED: No power, no charge, no boot - MacBook Pro 13" Unibody Mid 2012

No power, no charge, no boot

HI, i had acquire this macbook recently. The owner describe that the macbook suddenly stop turning on one day.

It does not hold a charge, the battery indicator is dead, when i press the power button nothing happen at all. Is there anything that would cause this besides a dead board, or we can conclude that the logic board is dead?

Is there anything I can do to troubleshoot? Also, if it's a faulty logic board, what's likely is faulty on the logic board (assuming it's just die on itself, not water damage or etc.)?

Answered! View the answer I have this problem too

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What does the mag-safe light do?

Apr 5, 2016 by mayer

@mayer nothing,no light

Apr 5, 2016 by cheelam1220

Posted: Apr 5, 2016

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Use a multimeter and test the pin out on the mag-safe, you may not be getting any power. Here's the pin out on the left side of the page: https://en.wikipedia.org/wiki/MagSafe

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@mayer I have a few known working MagSafe, but none work with this MacBook.could it be the connector on the MacBook?

Apr 5, 2016 by cheelam1220

If the mag-safe adapter is known good, the next thing to go for is the board: MacBook Pro 13" Unibody Mid 2012 MagSafe DC-In Board Replacement

Apr 5, 2016 by mayer

@mayer exchange it with one the working board, no light, and nothing at all.

Apr 6, 2016 by cheelam1220

Open it and see if it's corroded or even hooked up correctly.

Apr 6, 2016 by mayer