Try pushing the cable in as far as it can go or wiggling the cable. One of the most common issues is a loose HDMI cable, meaning it hasn’t been plugged in properly to either your TV or the external device. If this is your experience, here are some possible causes. In this instance there is nothing wrong with your TV’s sound, so other input channels and live TV should still work. You may find that the sound for your LG TV is not working because of the HDMI cable or the device that is connected to the HDMI cable. I have also created a step-by-step troubleshooting guide to help you work through what might be wrong. I have outlined each issue individually below so that you can find the fix for your specific audio issue. If none of the TV channels have sound, it is likely due to the TV’s sound or volume settings, firmware bugs or connection issues with an external speaker. The HDMI audio on your LG TV may not work because of issues with the HDMI cable, the HDMI port, or your device’s sound output settings. With this in mind, I have searched for all the likely reasons that your LG TVs sound is not working so that you can find the solution quicker. Most people just want a quick fix so they can continue watching their show or listen to music. There can be many reasons why your LG TV does not have any sound, and narrowing down the issue can be overwhelming.

Sound through hdmi not working mac