USB-C port issue on 2016 15" MBP

Discussion in 'MacBook Pro' started by a4k04, Jan 5, 2017.

  1. a4k04 macrumors newbie

    Joined:
    Nov 10, 2016
    #1
    So I can't find any documentation about this on Apple's website so I'm thinking it's a bug, hopefully in software (filed with Apple this morning). When I have a USB-C to DP cord plugged in (going to 4K monitor) on the left side of the machine, the machine doesn't recognize an external USB drive when I plug it into the other port on the left, and occasionally when I disconnect the machine locks up. However when I plug it into a port on the right side the HDD is recognized right away. This behavior isn't limited to the left side, it also happens on the right when the USB-C to DP cable is plugged in over there. Anybody else having issues with a 4K stream disabling the other USB-C port running off the same TB3 controller?
     
  2. SoloXis macrumors newbie

    Joined:
    Dec 22, 2016
    Location:
    SG
    #2
    Contact Apple support and see if you can get in touch with one of their Technical Specialists. Hardware issues are their top priority now and if you're able to replicate the problem, they would love to know about it. Very responsive (in my country at least).
     
  3. a4k04 thread starter macrumors newbie

    Joined:
    Nov 10, 2016
    #3
    Thanks for the reply, will give them a call. Had a friend try the same thing with his identically spec'd machine using the same 4K monitor and didn't have the same issue I have so seems like my left side TB3 controller is a bit finicky.
     

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