No Sound From Television using HDMI with Cable Box, Laptop, Blu-Ray Player and Computer. I've switched out HDMI cables and cable boxes with ones known to be working on another television. Television itself makes noise when going through it's menu. Reset cable box multiple times, called Time Warner for troubleshooting and was eventually told to replace box and cable, but no dice. Also, while there is picture with the cable box and blue ray player, the HDMI doesn't recognize a tablet or computer connection. I've also switched which HDMI input I'm using and it applies to all of them. No issues with sound prior to today.
Sounds like the TV has an audio problem. If you have composite video and audio available you can try that connection to see if you get sound, Don't think your using the TV menu should make any sounds either.