#1 MacBook Pro A1278 mobo 820-3115-B does not charge and not recognized battery
przez valieromarco • 9 stycznia 2019, 17:52
This MacBook does not charge and recognized battery.
Battery has been tested with another Macbook, U7000 has been replaced, pc works perfectly with AC adapter, Q7055 has been replaced .
Pin 4 of Q7055 is always 12,5 Volt with or without battery, with battery should be 5 volt
with only battery plugged there are not any voltages on mobo.
Battery has been tested with another Macbook, U7000 has been replaced, pc works perfectly with AC adapter, Q7055 has been replaced .
Pin 4 of Q7055 is always 12,5 Volt with or without battery, with battery should be 5 volt
with only battery plugged there are not any voltages on mobo.