Monoprice MDP to HDMI not same as new TB to HDMI Adapter

Discussion in 'Apple TV and Home Theater' started by Sean Dempsey, Dec 31, 2011.

  1. Sean Dempsey macrumors 68000

    Sean Dempsey

    Aug 7, 2006
    Just an FYI

    I had a Monoprice Mini Displayport to HDMI adapter, before Thunderbolt was a thing. Well, it wouldn't work with my 2011 MBA, it didn't transmit sound and it flickered on the screen.

    So, I ordered the new "Thunderbolt to HDMI" adapter. It is identical to the Mini Displayport one.

    Anyways - I swapped out the adapters, and now the flickering is gone and the audio works great. I was told that the adapters shouldn't matter, but it appears that it is possible you need a new Thunderbolt compatible adapter for it to work in some cases.

    Huge relief. I ran a 25 foot HDMI cable so I could plug in my MBA form my recliner. I thought it was the cable length, but it was just the adapter. Happy day.
  2. miles01110 macrumors Core


    Jul 24, 2006
    The Ivory Tower (I'm not coming down)
    Probably because it wasn't compliant with the interoperability guidelines.

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