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usb not working

  1. M

    Mac Not Recognizing USB External Drives

    Basically, I have a MacBook Early 2015 (A1534) with no USB Inputs, only a USB-C input for power or USB-C to USB adapter. The weird thing is: Having the USB-C to USB adapter, my Macbook is recognizing USB sticks but NOT recognizing things like my iPhone, Pioneer Mixer, External Mouse - only...