Macbook showing dead, but has been charged. Turn on only with charger.

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Level 1

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Macbook showing dead, but has been charged. Turn on only with charger.

Hi,

I have Macbook 12. When I open it and want to turn it on, it shows it's dead even though the battery is not 0% (sometimes 80%, sometimes 50%). I plug it into a charger and it starts and shows the right percentage of a battery. Then I can use the Macbook without charger. But I always have to wake it up with help of charger.

The battery status is: "Service battery".

Do I need to replace the whole battery? Thank you

MacBook, macOS 10.15

Posted on Jan 17, 2020 6:21 PM

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Answer 1

Top-ranking reply

Tesserax

Level 10

158,190 points

Jan 17, 2020 11:28 PM in response to lucie23

According to Apple, a Service Battery" means:

The battery isn’t functioning normally. You can safely use your Mac when it's connected to an appropriate power adapter, but you should take it to an Apple Store or Apple-authorized service provider as soon as possible.

Ref: https://support.apple.com/en-us/HT204054

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Answer 2

Lanny

Level 6

13,225 points

Jan 18, 2020 12:34 AM in response to lucie23

A defective battery can swell causing mechanical damage that could cost more than the value of the MacBook.

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Macbook showing dead, but has been charged. Turn on only with charger.

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