Connected hw-j550 sound bar, does search and doesnt find tv

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Estimable
May 27, 2015
2
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4,510
I bought a Samsung soundbar, got it all hooked up with the sub woofer. Everything looks good except when I turn it on it does a search for the Tv and unable to find it. The hdmi cable doesnt go all the way in the slot. I got it as tight as I could. also do I need an optical cable too?

Thank you
Shirley