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Released June 2012, Model A1278. Intel processor with Turbo Boost, Up to 512 MB DDR5 Video RAM

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Battery not detected and MacBook very slow

Hello,

The system doesn’t detect the battery (I tried to change with a new battery, but with the same result, it doesn’t detect from system). Therefore the system works only if the plugged with AC adapter.

Pressing the battery tester on side for detecting the battery charge the LED’s doesn’t work (none lit).

Since it occurred, I detect an extreme slowness in open any folder or any other operations. I also tried to update the firmware, but the actual firmware was already updated.

I tried to reset the SMC and NVRAM, but without good results. The version of MAC OS installed is 10.15.2.

What can I try to fix this problem?

Regards

Update (05/27/2020)

The screenshot of Coconut is the following:

Block Image

the battery is not detected (there isn’t the icon in the top).


Ответ на этот вопрос У меня та же проблема

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Lets gets a better idea on whats happening, install this gem of an app CoconutBattery take a snapshot of the apps window and post it here for us to see Adding images to an existing question

из

Let's give the other battery a try as well. I'm not sure if the battery logic is bad or if the logic board circuit was damaged by using a metal tool to lift the battery connector (shorting it out).

из

When I tried with a new battery, the results are the same (no icon, no detected, power on only with ac adapter). Now I haven't the battery to get the screen of coconut, but it is very likely that logic board circuit is damaged since no battery works. What can I try to verify if the logic board circuit is damaged? And eventually how can I repair this issue?

из

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Наборы переключателей Nintendo

A quick fix to get back in the game

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Наборы переключателей Nintendo

A quick fix to get back in the game

Shop Switch Kits

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This will take some deeper diagnostics which you likely are just not skilled to do. You’ll need to be able to read and understand schematics and boardview drawings and have deep knowledge in SMT logic as well as the needed diagnostic & rework gear.

Time to find someone with these deeper skills to fix your system or you could just replace the logic board and put in a fresh battery as well.

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Daniele Smith будет вечно благодарен.
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