Adjusting the audio settings within the device's menu menu can often resolve this discrepancy. Power cycling both the television and the external device—turning them off completely and unplugging them for a minute—can reset the HDMI handshake and re-establish the audio connection.
TV Sound Not Working Initial Checks: Simple Fixes to Try First
Audio Output Settings and Configuration The audio output settings on your television dictate where the sound is sent, and selecting the wrong option is a frequent cause of no sound. It is surprisingly easy to lean on the remote while reaching for something else, accidentally hitting the mute button and assuming the television itself is at fault.
Navigating to the audio settings menu allows you to verify that the output is set to the correct configuration for your current setup. Use the volume buttons on the television itself to increase the level, as the remote's batteries might be weak, causing inconsistent signals to the TV's audio amplifier.
Check TV Audio Output Settings and Mute Status
Many soundbars have their own remote control, and it is common for their volume to be turned down independently of the television. If the television does not recognize that a soundbar or receiver is connected, it will not route the audio correctly.
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