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Released October 24, 2011 / 2.2, 2.4, or 2.5 GHz Quad-core Intel Core i7 Processor

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MacBook doesn’t run from battery Power but runs from power cable

After doing a thermal paste replacement, I reinstalled all components and connectors, including the battery and my MacBook Pro won’t start from battery power when the power button is depressed.

Once I connect the power cable it starts up, it boots then powers down and re-boots, then finishes boot up process to the main screen. I did a system report check and it recognizes the battery is installed and charging, It even tells me the life of the battery, it displays “0” for amperage though, not sure if it doesn’t pull current while connected to power source. Can anyone tell me what the issue is with laptop.

Why won’t it power up from battery? The battery is relatively new.

Update (01/06/2019)

Update:  I have checked and triple checked that all my logic board connections are securely snapped into their respective areas, and still the problem persist -> Recognizes battery, but does not charge it or run from it, as well as bootup is prolonged, and reboots after a short while at desktop +/- 5 min.  I have done a SMC reset -> same issue; I swapped the logic board -> same issue; and replaced the power circuit-> same problem.  As of Oct 6 2019, I decided to remove the diskdrive and battery from the equation and the computer booted up properly and remained on.  I believe that it may be the faulty third party replacement battery from amazon (Ansanor 10.95v 7200 mAh/ 78wh) I used to replace the OEM.   I need some help identifying what the issue is.

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Android 维修工具包

一个新的屏幕或电池就在一个套件之内。

现在开始购物

Android 维修工具包

一个新的屏幕或电池就在一个套件之内。

现在开始购物

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I swapped the logic board -> same issue; and replaced the power circuit-> same problem.  As of Oct 6 2019, I decided to remove the diskdrive and battery from the equation and the computer booted up properly and remained on.  I believe that it may be the faulty third party replacement battery from amazon (Ansanor 10.95v 7200 mAh/ 78wh) I used to replace the OEM.

Wow that is some thorough troubleshooting. I’d say the seller needs to refund you at the very least.

I need some help identifying what the issue is.

Uhm, what? I thought you just did that. If I had to say, QC I guess??

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Thanks... I just need more confirmation. Either way I have ordered a new battery from IFixit. I’ll update when I apply the new one.

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@joshusmc I mean, if that doesn't work then you'd have a new logic board, power circuit (DC in?) and battery with the same problem, and I'd start over from the beginning, bad components plugged in causing power management issues is possible too.

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Yeah I've gotten quite a few faulty batteries on A1398, A1278 and especially A1286 for me I found it very hard to even obtain a remotely working battery.

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Joshua Adorno Rivera 将永远感激不已
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