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In June 2017 Apple updated its 13" MacBook Air with a newer Broadwell Intel Core i5 processor, resulting in slightly increased performance and battery life.

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Random sleeping, problems with battery... SMC won’t reset

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My Mac has been working fine for at least a year or 2, not many times I have let my Mac unplugged and sleeping for a while but one time I let it run down well below out of battery and it didn’t start up until it was fully charged. This problem persisted every time it kept getting run down to zero. I let it charge for a few nights and did an SMC reset which did the trick for a while.

After the Catalina update I realised that I couldn’t run 32 bit applications anymore so I downgraded back to Mojave using a bootable drive and just reset everything and started from scratch. After a day or two it started to just shut down or sleep whenever it wanted even when it was charging or I was working… SMC resets stopped working, LED’s on the AC didn’t show it reset and none of the power settings reset. Resetting the PRAM worked but the SMC didn’t. The problem keeps persisting and I’m hesitant to take it to a store.

Any answers on why this is happening? I’ve ruled out the battery is healthy, no liquid damage, it won’t let me reset SMC, charging and charge ports are fine but it keeps sleeping every 2 mins after startup.

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Lets look at your battery a little more deeply here, install this gem of an app CoconutBattery take a snapshot and post it here for us to see iFixitでの質問に画像を追加する方法

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I have seen someone post something to do with coconut battery before and I attempted to install it... but after every time I tried to it shut down before I could open my browser :/

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I was able to add an image after I downloaded off a USB and I have added it to the existing question.

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Well the battery still looks good so that aims us to the logic board.

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Here’s the guide to take it out MacBook Air 13インチ Early 2015 ロジックボードの交換 and here’s one source for the logic board:

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Thank you... this is most likely the conclusion, I got the SMC reset to finally work and it didn’t help along with another NVRAM reset. I also reinstalled a copy of Mojave and wiped the HD. Nothing happened and did every other suggestion on the internet including repairing HD off disk utility and checking battery health.

I will get a new/fix the logic board and I will keep you updated as soon as I can.

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Josh さん、ありがとうございました!
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