- Check settings
Check the audio settings on your TV to make sure the internal speaker is turned off and the external speaker is turned on. - Switch HDMI ports
Unplug the HDMI cable from the current port and plug it into another port. - Check cable connections
Make sure the HDMI cable is properly connected to both your TV and external speaker. Double check the cords at both ends to confirm they are plugged in securely. - Try a different cable
Try a different HDMI cable to see if it resolves the issue. - Check audio levels
Check the levels and make sure they are not too low.