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: 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
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
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
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