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Apple kündigte am 9. März 2015 an, dass das Retina MacBook 2015, Modell A1534 am 10. April herauskäme. Es hat eine neue Unibody Konstruktion und beinhaltet ein verbessertes Trackpad, Tastatur und Retina Display.

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No sign of power on MacBook 2015 Core M.

My MacBook 2015 randomly died and then wouldn’t charge. I removed the back panel, tested the cells and they were reading below 2.9v. I have since removed the battery and installed a brand new one, but there is still no sign of life. I have plugged the MacBook in with a 5W charger as suggested in the iFixit guide, but after a few hours still nothing. LogicBoard Issue??

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Have you gone in with a multimeter and tested for continuity between the power switch, the battery, and the charge port? Im not too well-versed with how the board is wired up in these models, but I would recommend checking to make sure that the battery is even being recognized.

if it’s anything like the chromebooks that I fix daily as a result of my job, I would recommend just charging it all night long and coming back in the morning. Some of the batteries come almost dead and as a result take a day or two to regain their composure so to speak.

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Hi Shy, thanks for your response. I haven't checked continuity for the power button, as I never thought of that to be the issue. I will check that now. Although when the Mac has reached a sufficient charge it should switch itself on which it hasn't done. I have checked the new battery after leaving it on charge for a while, and the cells show 3.6v, so the Mac should be powering on.

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Donald wird auf ewig dankbar sein.
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