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2015年3月にアップデートされたAppleのMacBook Pro 13" Retina Display Early 2015 はモデル番号はA1502、第5世代のIntel Core i5と i7プロセッサーが特長でForce Touchトラックパッドを備えています。

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MacBook Pro 13" (2015) will not turn on, charger says battery is full

Hi there,

Recently I was using my MacBook Pro and it just turned off out of nowhere. It wouldn’t turn back on, even with the charger plugged in. The MagSafe indicator is green.

I tried resetting the SMC, but nothing happens. I opened it up and disconnected the battery and held down the power button to let it drain, and then plugged it back in and tried turning it on. I was greeted with the apple logo and the chime, but after about 2 seconds the screen went black and the computer turned off again.

I took a look once more inside the computer and noticed this solid clear gel near the battery connector. I have no idea what it is, but I took a small piece of a plastic scalpel and gently touched and sure enough - it’s solid. I’m not sure if this is some kind of adhesive or glue that has dried on the board, but this seems like it could be the problem.

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I’m new to this so I’m just hoping for some confirmation or advice on what to do next. Thank you!

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The coating you are seeing is part of the part. Don't remove it!

This is called potting it protects the exposed circuit from damage.

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The fact the system is able to start is a good sign! But your issue is still within the logic boards charging/power logic.

You’ll need to find someone locally to you to fix your board or you’ll need to replace the logic board. In addition just given the systems age you likely need a new battery as well.

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John Jinglecock さん、ありがとうございました!
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