rMBP 2015: Logic board problem or something else?

Discussion in 'MacBook Pro' started by logicstudiouser, Apr 24, 2018.

  1. logicstudiouser macrumors 6502a

    logicstudiouser

    Joined:
    Feb 4, 2010
    #1
    Recently, I have noticed that every time I plug in my iPhone with a USB cable into my MBP, it goes in and out of charge every half second. The USB cable works fine when plugged in directly with wall charger and I have removed any lint build up in the charging port of the iPhone.
    What is strange is that I can plug in USB sticks just fine and it will not be constantly ejecting, so I wonder if this could also be a software glitch.
     
  2. Audit13 macrumors 68040

    Audit13

    Joined:
    Apr 19, 2017
    Location:
    Toronto, Ontario, Canada
    #2
    It may be that the port cannot supply enough voltage/amperage to charge the phone.
     
  3. Natzoo macrumors 65816

    Natzoo

    Joined:
    Sep 16, 2014
    Location:
    Not sure where i am
    #3
    I have been in this situation, it only works with the apple brand, i have amazon basics and a belkin cords too and both of them do that quick in and out of charge.
     

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