I'm very sorry for any inconvenience this may have caused you. Unfortunately, this sounds like it may need servicing. Here's the thread where you can get details on setting that up: http://forums.cnet.com/7723-13973_102-542437/service-issues-click-here-for-help/
The single HDMI port distorts the picture and sound. How can it be repaired. I have tried several HDMI cables and none work. I am now using component cables which work great. Leads me to believe it is the port.