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Apple設計のM1 ProとM1 MaxのSoCを搭載した14インチMacBook Proの修理ガイドと分解情報をご紹介します。2021年10月に発売。モデル番号はA2442。

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Won't go past a very dim Apple logo screen

When I turn on the Macbook I get a chime then you can see the Apple logo very dimly. Nothing else. Have tried brightness, plugging it in, etc.

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Can you get to recovery mode?

Press and hold the power button for a while. Normally it would say on the screen to keep holding and when to let go, but I'm not sure how dim is, so you may not be able to see that bit. I would say around 15 seconds is a safe bet.

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What proceeded this? Did you have a liquid spill or get it wet with rain?.

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No nothing. Was sitting with it then black. Last thing it did was update OneDrive

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@markvincer - Very odd! This sounds like a main logic board issue if you only can past the boot up screen.

I think you need to get to an Apple Store or authorized repair shop as this will need deeper diagnostics.

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Took it in to Apple and they seem to think logic board. It's gone off to be taken care of.

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@markvincer - I hope they cover it under warranty! Do let us know what happens. good Luck!

Don’t forget to score the answer - Thanks

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I'll update here soon, think it's due back on 16th December. They *think* it's logic board, my boss had taken it in as he was going to take the machine over from me. I believe it was originally a refurbished machine but I think they'd said it will be covered.

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Mark Vincer さん、ありがとうございました!
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