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After going dead, MacBook will not turn on.

Hello everyone.

Like I said in the title my macbook pro will not turn on, no light, no vibration, nothing.

It went dead and sat for several days. I pluged it in and the magsafe light turned green instantly. I have tried reseting the SMC(cmd + leftshift + ctrl + powerbutton) no luck. Not really much else to try.

My personal best guess is that the battery needs to be replaced, but before i buy one i would like to hear yalls opinion.

-Thanks

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SMC is reset by pressing on the left side these keys "shift, control, option" then power button command isn't a part of it. Other than that your not hearing anything coming from the inside of the computer? No noise from a fan? I ask this in trying to make sure its just not powering on and its not just the Display thats not giving video.

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Nothing, no noise whatsoever. no sign of life

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You have logic board damage that requires logic board repair - did you spill liquid on it? If so, cleaning the logic board and IO board with 99% isopropanol might resolve some of the issue(s).

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press the power button, and as soon as you hear the startup chime, hold down Command-Option-P-R. Keep holding down those keys until you hear a second startup chime. Then let go and allow your Mac to continue starting normally.

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Also did the battery die? If thats the case, try unplugging it and then trying to boot

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First try this: disconnect the battery and mag-safe. Press and hold the power button for five seconds. Reconnect the battery. Then the Mag-safe. Let us know it it tries to spontaneously restart.

OK, Looks like the battery may be kaput and won't take a charge. Here's how to change it out:

MacBook Pro 13" Retina Display Late 2012 Battery Replacement

I put methanol (a pure alcohol) in a syringe and shoot it under the battery to loosen the glue.

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Thank you for your help!

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Bryce Cole will be eternally grateful.
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