I just bought one used and I'm having problems getting an HD picture. I've plugged in an HDMI cable, no picture just sound. Then I plugged my DVD player through component cables and the image quality looks exactly the same through regular a/v cables. I am tech illiterate so if someone could help me I'd really appreciate it. I just bought this TV and would hate to get rid of it already (especially since it weighs a ton).
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9/15/12 at 9:30am