Having trouble connecting Macbook Pro to Samsung HDTV

Hello all,
I am operating a Macbook Pro mid-2012 with OS 10.8.2. I have a Samsung Smart TV and I am trying to connect using Belkin HDMI cable and mini port adapter. I've run searches for firmware updates and come up with nothing.
I have tried all three HDMI ports on the TV in conjuction with connecting to my mini display port. I always have the correct input selected on the TV for the port I am trying.
When I plug into the Macbook, the screen goes off for a second and then returns as if it recognizes when I plug in but nothing on screen.
What I get on the TV Screen:
NO SIGNAL
1-check the cable connections and the settings of your source device (the cable is connected, the settings may be a problem)
2- Press SOURCE on your remote to select connected source device (as noted above, I've done that each time)
When I go into System Preferences>Displays>I get two options display and color then best for built-in display or scaled and a brightness slider...that's it.
I'm stumped. Please help.

Please post what specific Belkin cable you have. Another user was trying to do this same exact thing a few days ago and the Belkin cable they had bought was an older Mini DisplayPort to HDMI converter. The 2012 MBPs like yours have a Thunderbold port on it that's exactly the same dimensions as the old Mini DisplayPort ports are. While the Thunderbold port is supposed to be backwards compatible with older Mini DisplayPort devices, perhaps this Belkin converter has some compatibility issues with it. Their adapter was an all gray one bought from Walmart.

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