hdmi-no-audio Troubleshooting

HDMI no audio on the LG C3 OLED

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026

The TV shows video over HDMI but no audio, often due to an audio output setting.

How to fix HDMI no audio

Check the audio output

Ensure the TV audio output is set to the correct source.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026

Difficulty: ★ Est. 3 min

Check the source device

Ensure the source device is outputting audio over HDMI.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026

Difficulty: ★ Est. 3 min

Replacement parts for the LG C3 OLED

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← All LG C3 OLED error codes

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