Using 13.3" MBP (latest gen) with 4k TV - how?

Discussion in 'MacBook Pro' started by macbook123, Apr 2, 2018.

  1. macbook123 macrumors 68000

    Feb 11, 2006
    I have a 4k TV that I often use as external monitor with my phone or old Macbook Pro. I recently got the new 13.3" MBP. Even though I can drive an external 4K monitor via HDMI, somehow it won't drive my TV via HDMI. Is this an issue with this MBP (the non-touchbar version), or am I just doing something wrong? It would be pathetic if this laptop couldn't drive the TV, since even my smartphone can...
  2. robvas macrumors 68030

    Mar 29, 2009
    Mine runs my Samsung 4K TV over HDMI just fine
  3. macbook123 thread starter macrumors 68000

    Feb 11, 2006
    OK, so what might I be doing wrong? Is there anything in the settings I need to enable? I'm so confused about this...
  4. Samuelsan2001 macrumors 604

    Oct 24, 2013
    Which hdmi cable are you using?? which usb c adapter etc. If you can use a mini display to hdmi cable with 4K support and usb c connection.
  5. Fishrrman, Apr 3, 2018
    Last edited: Apr 3, 2018

    Fishrrman macrumors P6


    Feb 20, 2009

    I believe you need TWO items:

    1. A "USB-c to HDMI 2.0" adapter/converter (MUST be HDMI 2.0).
    2. A -HIGH SPEED- HDMI 2.0 compatible connecting cable.

    Not all HDMI cables are "created equal". Unless you use one that can "support the speed", you won't get a 4k display.
  6. csurfr macrumors 68000

    Dec 7, 2016
    Seattle, WA
  7. macbook123 thread starter macrumors 68000

    Feb 11, 2006
    The thing is: u used exactly the cable combination I have now tondo 4k from my previous 15" MBP. It just won't work with this 13".

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