Can't get an image on my HDTV...

I got a mini-DVI to HDMI adapter and an HDMI cord that connects to my tv. When I plugged it in my Macbook Pro flashed blue but I got no image on any of the inputs on my tv. I also checked the system preferences to detect displays but got nothing to show up there.
How can I get my tv to work as a monitor? Mirror or dual screens.. I'd be happy either way.

It seems like you got a defective adapter.

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Irelandbound wrote:
thank you, I have the adaptors so glad that would work. I just heard adaptors burn out often. So Just thought for my main iMac computer, a plug would be best. I will get one once I move.
Any other suggestions or things I should know about apple products in Ireland. I know there are no Apple stores there.
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Can't get an image on my HDTV...

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