AMAZON FIRE TV No Sound
Here is step by step Video guide FYI - No Sound when watching Amazon Fire TV - How to Solve?
Step 1: Select "Setting" menu on your TV
Step 2: Select "Display & Sounds"
Step 3: Select "Audio"
Step 4: Select "Dolby Digital Output"
Step 5: Select "Dolby Digital Plus OFF"
Step 6: Adjust Settings on your Actual TV (Samsung, LG, Sony... etc.)