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I have a 13” MacBook Pro late 2012, the battery has reached 1300 cc. Then the my system died suddenly. When I plug in the charger, my system turns on, I then notice that the battery says replace now. Then bought a new original battery to replace the old one. It did not start the first time, and after a few hours after I had replaced the battery my MacBook turned on but the fan was in maximum speed and the battery was not recognized. I then did SMC and NVRAM resets and it works, but after shutting down my system and then tried to turning it back on and it was successful and normal. But now my system sometimes turning on but sometimes it won’t. Sometimes the MagSafe lights is on but sometimes not. The MagSafe charger is not genuine by the way. Is there any chance that non genuine MagSafe causing the problem? And if I buy a genuine MagSafe, could it fix the problem? Thank you
Well, you did it! You got 300 more cycles out of your battery was intended to run. Determine battery cycle count for Mac notebooks Time to replace the battery! If you told us which model you had we could have even you a bit more. Update (03/18/2020) At this point you’ll need to decide which way to go. Your logic board has failed it might be repairable but you’ll need to find someone with the deeper skills to do that. Or, your other option is to replace the logic board: 13” MacBook Pro Logic Board, 2.5GHz i5, Apple P/N 661-658813” MacBook Pro Logic Board, 2.9GHz i7, Apple P/N 661-6589
