My MacBook Pro was shu down when I left my charge. I saw it’s allready 100%. Then, when I unplug the charger cable, my MacBook Pro immediately shuts down by itself. Can someone help me what to do, not the problem? Do I need to repair this? Please help me. Until now, 14.04.2021 12:26 P.M. I hasn’t unplug the charge. Cause I was scared if the MacBook Pro will shut down.
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First thing you could try is an SMC reset
Here’s a link for that:
https://www.howtogeek.com/312086/how-and...
If that doesn’t work I’d assume the battery is bad or the battery connector isn’t making full contact with the motherboard. If you’re comfortable with checking the battery connector yourself ifixit has a great guide for that.
Here’s the link to the battery replacement that matches the model you linked:
MacBook Pro 13" Retina Display Late 2012 Battery Replacement
I hope it works out for you!
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It seems there’s something wrong with the power supply. Check the battery and charger. replace new one if necessary.
In addition, check hardware-relating errors, such as incompatibility or corruption.
For data security, you can make a backup or recover vital important files in advance.
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