Can't get my mini dvi to video adapter to work with my tv

Ok so I bought a mini dvi to video adapter to hook my imac up to my tv, and I when I go to detect displays all it does is flash white for a split second, and then doesn't work
any suggestions?

OK... so I figured it out. Firstly, the RCA cable I was using was faulty. Secondly, I think the adapter I bought is also faulty. I found that it only works when it is hanging down from the computer... as in the computer is sitting on the edge of, say, a desk, and the the cable hangs over the side. If I move the cable upwards, it stops working. So, I'm going to call an Apple store and see if this is most likely the problem, and I'll probably exchange it.
Thanks again,
Zeb

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    Welcome to Apple Discussions, schumawm.
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    Ditto to Karsten's post:
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  • Mini-DVI to Video Adapter

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    Message was edited by: Mike N. (nahyunil)
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