Smart TV no sound output
4.5
The picture is fine, but no audio is coming from the internal speakers.
Symptoms
- Mute icon on screen
- No sound from any app
- No sound from HDMI inputs
Possible Causes
- Muted audio
- Incorrect audio output setting
- Blown speakers
Step-by-Step Fix
1
Check Mute/Volume
Ensure the TV isn't muted and volume is up.
2
Check Audio Output
Go to Settings > Sound and ensure "Internal Speakers" is selected, not "Optical" or "ARC".
3
Test with Headphones
Plug in headphones. If they work, the internal speakers or their wiring are faulty.
When to See a Technician
Check if a "Hotel Mode" or "Demo Mode" is enabled, as these can sometimes restrict audio settings.
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