Inspecting the Hardware and Cables If the basic functions do not restore the audio, the issue is likely physical. Plug the devices back in and power them on in the following order: the television, the external device, and finally the soundbar or amplifier.
Inspecting Hardware and Cables for Sound Issues
Next, use your remote to cycle through the input source options, such as HDMI 1, HDMI 2, or AV. If you recently connected a soundbar or a gaming console, the TV might be trying to send sound to a port that is currently unplugged.
Cable Type Purpose Common Issue HDMI Transmits both picture and sound Loose fit or damaged pins Optical (Toslink) Bent head or dust accumulation Digital audio output Coaxial Digital audio via cable/satellite box Cracked connector or corrosion 3. Loose or damaged cables are the number one culprit when sound does not work on a TV.
Inspecting Hardware and Cables to Resolve No Sound
Press the volume up button on the remote; sometimes the sound is simply muted. This allows capacitors to discharge and resets the hardware.
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