Problems connecting 2009 macbook pro to samsung plasma tv(pn50b450b1d)

So I am using a macbook pro running osx 10.6.8 and I am having trouble connecting it to my tv. I have tested the cord on other tvs and it works fine. but when I connect to my tv my mbp screen flashes blue once then goes back to the desktop. If I am already plugged in to my tv and change to the source I am plugged into the mbp screen will flash blue twice before going back to the desktop. The tv screen has a moving box that says "no signal". When I am in the "displays" section on my mbp I dont have a "arrangement" tab and when try clicking "gather windows" or "detect displays" nothing changes. ANY help would be greatly appreciated. Thank you.

The MacBook Pro hardware guys hang out in the Discussions > MacBook Pro forum:
http://discussions.apple.com/category.jspa?categoryID=190

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Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
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Problems connecting 2009 macbook pro to samsung plasma tv(pn50b450b1d)

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