No video output from MacBook Air micro DVI to Polaroid HDTV via DVI to HDMI

Grrr! What's going on? The Apple online store finally sent me a micro DVI to DVI adapter and a DVI to HDMI adapter cable as well as headphone output to RCA adapter cables (for separate audio, since DVI will not transmit audio) and I hooked it up and - NOTHING! When I initialize the appropriate input setting on the Polaroid 27"HDTV the MacBook Air seems to get some sort of query signal as its screen flickers for a moment and turns to a grey screen for a couple seconds but then, that's it! Nothing! The Polaroid's screensaver remains and no signal, audio or video, is transmitted. Now, the micro DVI to DVI adapter is Apple proprietary so I don't think it is a DRM related issue where the chip might block the video signal coming out of the MacBook Air. The longer, DVI to HDMI adapter cable is by Belkin. Am I overlooking something? Could the new 27" Polaroid HDTV not be compatible with DRM protocol? I don't think so since all digital TVs equipped with an HDMI input are supposed to have DRM compatibility built in. What gives?

Well, BSteely, where to begin? After my extensive discussions with more than one support engineer at Apple in Toronto as well as in Austin an interesting picture is emerging. Seems that I'd omitted a few things: First, I was not trying to display HD content but rather standard definition content. Second, I made the mistake hoping for an elegant and easy solution in hookup via HDMI (new flatscreens don't even have a DVI port anymore) - bad mistake! As one of the technicians put it, HDMI is an "unsettled" platform when it comes to HDCP, currently in version 1.4 , meaning, I should have tried VGA instead, a "settled" platform after all. Now, whether this will work remains to be seen because I don't have a micro DVI to VGA adapter yet but suffice to say that in essence I've been getting the message from Apple that, yes, the MacBook Air will - in the near future - support HDCP, but for now it does not contain the necessary software simply because HDMI is in its forth incarnation; plus, as they put it, Apple can't be responsible for testing compatibility with every single HD television set on the market - while it is true that there are thousands in existence, at the same time there are only four versions of HDMI with different HDCP specs! So, while I may be partially answering my own query here, it seems that Apple at this point is not particularly eager to make this software available because they rather would like to sell their new displays with the micro DVI ports instead of us endusers being able to hook the computer video signal up to just ANY monitor or TV. In the end, it is my hope that they will reconsider and not forget who their customers are, maybe after the Christmas season....

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