i have a A1990 820-01041 i can charge battery when powered off but not on

Roshon

Member
i have a A1990 820-01041 i can charge battery when powered off then it will work fine it will show battery but can not charge when on battery condition says normal
 

Roshon

Member
when i plug in the charger throw the usb tester it shows it going on and off when the mac is on running off the battery
 
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