new battery went from charging problems to not detected
I just installed a new battery, which went smooth. After the install I performed the battery calibration procedure. After the initial discharge/recharge, during the discharge the battery jumped form 70% to 7% instantly after removing the power.
I ran the cycle a few more times, only to have the battery charge drop faster and faster. Finally OSX says it does not detect the batter. I pulled the back off and checked the connections. All looks correct.
Seems I have a defective battery. What recourse do I have?
I reopened the case, unplugged the batter, replugged — then the battery was detected
Now the battery is detected both when on power and off
But, upon each reboot either the mbp things the battery is missing or discharged. Plugin and and it boots. After boot it shows the correct charge.
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