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Released June 2012 / Core i7 processor with Turbo Boost / Up to 1 GB DDR5 Video RAM

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MacBook Pro 15 mid 2012 Pre Retina won't turn on or charge.

Hi everyone!
i have a MBP 9,1 (15”, mid2012, unibody A1286), 16GB, 1TB ssd, which suddenly wonʻt turn on. The magsafe charger LED does not light up, and no matter how long i leave it on the charger, it doesnʻt show any signs of working. Does anyone have an idea of what might be the issue. it was working perfectly fine before.

Answer this question I have this problem too

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1 Answer

@the_kat

It might be the logic board or the Magsafe board,
Did you run down the battery all the way before the problem started?

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hi! ugh, i was afraid of that. i had the computer fully charged, then turned it off for a couple of weeks (itʻs my back-up for running shows). When i came back to it, it was dead.

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i mean, it wouldn't turn on, and the magsafe light doesn't come on.. i donʻt know the state of the battery.

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@the_kat Maybe get a magsafe board to try first

Get back to me when you get the part

MacBook Pro Unibody 13" and 15" MagSafe DC-In Board

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Thank you every on for the quick replies!

@beanman56 - i ordered the part yesterday, will update you asap

@danj - iʻm using the charger i use with my primary computer, to no avail. i tried cleaning the contacts with a brush (out of contact cleaner). no luck yet.

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Kahana will be eternally grateful.
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