MacBook A1278 going to sleep while working.

Question

MacBook Pro 13" Unibody, meados de 2012

Lançado em junho de 2012, modelo A1278. Processador Intel com Turbo Boost, até 512 MB DDR5 de RAM vídeo

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Bernhard Mostrey @bmostrey

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Postado: 29 de dez de 2018

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MacBook A1278 going to sleep while working.

My macbook is going to sleep while I’m working on it. This seems to be a normal issue, but I have tried all the solutions and nothing seems to work.

After contacting Apple Support, they determined it was a hardware issue.

Hopefully someone here knows what hardware to replace so I can do it myself and save some costs.

Tried:

Installing new SSD with Mojave (random sleeping continues during USB installation)
SMC reset
NVRam reset
TRIM Enabler installed
Caffeine installed
Battery removed and reinstalled
Sleep sensor removed and reinstalled

Video with issue here: https://www.icloud.com/iclouddrive/0yY0H...

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Dan @danj Rep: 479,3 mil Self employed contract worker 35 329 971 · Answer 1 · 2018-12-29T05:36:09-07:00

Dan @danj

Rep: 479,3 mil

Self employed contract worker

35

329

971

Postado: 29 de dez de 2018

Opções

Your sleep sensor needs replacement, here’s the needed part TheBookYard - MacBook Pro 13" Battery Indicator/Sleep board (09-12)

Follow this IFIXIT guide to Step 4 MacBook Pro 13" Unibody Mid 2012 Logic Board Replacement Then jump down to Step 14. Now jump to Step 5 Substituição da bateria do MacBook Pro 13" Monobloco de meados de 2012. Once the Battery is removed you’ll find two screws holding the Battery checker/Hall sensor assembly on the inside sidewall behind the battery.

Imagem de MacBook Pro 13" Unibody Mid 2012 Bateria

Guia

Substituição da bateria do MacBook Pro 13" Monobloco de meados de 2012

Nível de dificuldade:

Moderada

—

5 - 15 minutes

Imagem de MacBook Pro 13" Unibody Mid 2012 Logic Board

Guia

MacBook Pro 13" Unibody Mid 2012 Logic Board Replacement

Nível de dificuldade:

Difícil

—

45 minutes - 1 hour

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6 comentários:

I have the 2012 model btw.

29 de dez de 2018 por Bernhard Mostrey

OK, you selected the wrong system this is a MacBook not a MacBook Pro!

So lets start this again from the top, I'll fix your system selection and show you the Hall sensors location. Your system is very different than this one.

29 de dez de 2018 por Dan

@bmostrey - I've replaced my answer with the correct info. No! The part your pointing to does not have the sensor only the sleep LED.

Carefully review the new info.

29 de dez de 2018 por Dan

Okay great! Before I buy this part, if I disconnect the sensor (step 14) would this fix my problem?

29 de dez de 2018 por Bernhard Mostrey

Nope ;-}

Just like driving your car with only 3 wheels when you have a flat. Sometimes you just need to make the leap of faith.

Besides this is not an expensive part, nor a difficult part to put in.

29 de dez de 2018 por Dan

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