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Apple의 MacBook Air 13" 2014년 4월 업데이트에는 참신한 듀얼-코어 i5 및 i7 프로세서와 더불어 배터리 성능을 약간 향상시켰습니다.

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Battery not charging and percentage stuck on percentage

Hi everyone,

Having an issue where my battery doesn’t seem to be charging. Mac suddenly restarted yesterday without any warning. Initially I thought it was an app requiring a restart in the background. After I couldn’t see any apps doing anything, plugged it into charger even though it didn’t say low battery.

I charged the mac over night and noticed that when I turned it on in the morning, it was at 41% battery. Furthermore, when I take it off the charger, it just turns off. After turning it on with the charger in, Mac is usable but: a) battery bar indicates that it’s not charging b) battery bar indicated 41% but after a few minutes of use without the charger, it turns off.

Things I’ve tried:

1) Cleaning the ports

2) Trying different electrical outputs

3) Restarting computer

4) Resetting SMC

Mac is 2014 model, with a new battery from IFIXIT purchased in October 2018.

Any help appreciated. Thanks guys.

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PC 노트북 배터리

큰 전력 향상을 위한 손쉬운 수리.

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PC 노트북 배터리

큰 전력 향상을 위한 손쉬운 수리.

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선택된 해법

Resolved.

Put in my original old battery last night and laptop working properly again.

So issue was with the newer battery.

Still not really sure what went wrong with battery. I inspected it visually and there didn’t seem to be any wear or tear. Also made sure that screws were nice and snug, but problem wasn’t resolved until I changed the battery.

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@vinno104 - Return your battery as its defected!

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Yup. I'm in Australia so I'm following up with the team on this side.

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가장 유용한 답변

Lets start with the basics Apple Portables: Troubleshooting MagSafe adapters

  • Is the cord damaged in any way?
  • Is the MagSafe connectors (both sides) clean and in good shape? The contacts need to be shiny metal not black.
  • Are you using a real Apple charger?

OEM MagSafe Chargers vs Cheap Imposters: Teardown for Truth

Update (07/21/2019)

Not Good ;-{

The charging circuit on your logic board has failed. You’ll need to find someone locally who can fix your logic board or you can just replace it

MacBook Air 13" Early 2014 Logic Board Replacement

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Hi Dan,

Yup just had a look this morning and everything on the charger end of things seems fine. Also charger is the default charger that came with Mac when I purchased it.

Interestingly, the battery percentage has now moved to 45% but not moving from there now.

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