Why cant my TV see my Mac via HDMI?

Why cant my MAcbook see my TV? Ive connected with an HDMI cable.

I am having a similar problem with my Samsung DLP, but I'm going through a Monster HDMI switch. However, the same configuration works when I plug the HDMI cable to my Viewsonic LCD.
This configuration (HDMI box) worked up until a few days ago. I just dropped $100 a cable (3 cables) for some monster HDMI cables and it still doesn't work. It's like the ATV doesn't have enough signal to make it through the box for the Samsung (but ok for the Viewsonic). So logic tells me it's the TV (Samsung) but I wanted to see if others had such an issue and if there was any software fixes for the ATV.
I'm going to post the details of my configuration and ask what am I doing wrong...

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william Stofko wrote:
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noisyking wrote:
Not to bring up a seemingly dead horse, but I just found this thread b/c I want to do the same thing.
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Why cant my TV see my Mac via HDMI?

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