no-sound Troubleshooting

No sound on the MEDION 138,8 cm (55 Zoll) QLED Fernseher (Smart-TV, Dolby Vision HDR, VIDAA Store, Prime Video, Disney+, DAZN, Paramount+, DTS X, Dolby Atmos, PVR, Bluetooth, MD 855600)

Source: YouTube — repair & troubleshooting videos Confidence: 60% 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: YouTube — repair & troubleshooting videos Confidence: 60% 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: YouTube — repair & troubleshooting videos Confidence: 60% Verified Aug 9, 2026

Difficulty: ★ Est. 3 min

Replacement parts for the MEDION 138,8 cm (55 Zoll) QLED Fernseher (Smart-TV, Dolby Vision HDR, VIDAA Store, Prime Video, Disney+, DAZN, Paramount+, DTS X, Dolby Atmos, PVR, Bluetooth, MD 855600)

MEDION X8552504 Remote Control MEDION X8552504 Stand MEDION X8552504 Power Cable MEDION X8552504 Wall Mount MEDION X8552504 HDMI Cable

← All MEDION 138,8 cm (55 Zoll) QLED Fernseher (Smart-TV, Dolby Vision HDR, VIDAA Store, Prime Video, Disney+, DAZN, Paramount+, DTS X, Dolby Atmos, PVR, Bluetooth, MD 855600) error codes

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