Hi mdrods,
Welcome to the HP forum!!
For you to have the best experience, I would like to direct your attention to Learn How to Use the Forum and More.
I grasp that you have no sound on you LED smart TV. Here is link to setting it up and a troubleshooting document Connecting Monitors and TVs to Your PC (Windows 7) and Resolving HDMI Display and Sound Issues (Windows 7 and Vista).
I hope this helps.
