Connecting samsung smart tv to Mac Pro with HDMI

Discussion in 'Mac Basics and Help' started by tomlock1988, Nov 17, 2014.

  1. tomlock1988 macrumors newbie

    Nov 17, 2014
    Hey guys,

    I'm having an issue with connecting a 50'' samsung smart tv to my mac pro.

    It's connected via an amped HDMI cable that goes into the HDMI slot in my mac.

    A week ago it worked and I was able to use it as a 3rd monitor to show clients (I work as an editor) and now the tv is telling me that there is no signal and I should..
    1) check cable connection and settings of source device.
    2) press source on your remote control to select the connected source device.

    In system prefs - displays, the mac knows there's a samsung and acknowledges it as a third monitor. Even in About This Mac - Displays, the computer is telling me the samsung is there.. But still there's no image on the tv.

    My I.T guy recently updated the mac to Yosemite 10.10, and I'm wondering if that's the major issue. Do we need a driver to connect a tv to a computer?

    Cheers guys. Any help will be appreciated.

    Mac Pro (Late 2013)
    Processor 2.7 GHz 12-Core Intel Xeon E5
    Memory 32 GB 1867 MHz DDR3 ECC
    Graphics AMD FirePro D700 6144 MB
  2. jdphoto macrumors 6502


    Jan 13, 2014
    Yosemite shouldn't be an issue. Potentially silly question, but did you guys check to make sure you were on the right HDMI input? I've fallen victim to that one a couple times.

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