no-sound Troubleshooting

No sound on the Samsung QLED Q7F4 4K 43 Zoll UHD Fernseher, Q4 AI Prozessor, Quantum Dot Für Reale Farben, Upscaling, Knox Security, Adaptive Sound, Samsung Vision Smart TV, 43Q7F (2025), 109 Cm

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

The soundbar powers on but produces no audio, often from a wrong input, a loose HDMI connection or a muted source.

How to fix No sound

Check the volume

Ensure the TV is not muted and the volume is turned up.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 2 min

Check the audio output

Ensure the audio output is set to the TV speakers, not an external device.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 3 min

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