Why is there no sound when I plug in my HDMI cable?
Why is there no sound when I plug in my HDMI cable? If you're using a set-top or cable box: Make sure the volume is turned up. You also may need to go into the set-top box menu and select HDMI in the Audio Settings or Audio Coding section to pass the audio to the TV. You may need an update to your set-top box firmware, or a newer set-top box from your service provider. Why can't I get sound on my Panasonic TV? Cable box, DVD player, etc.) or its connection to the TV. Make sure the volume is...