dead-pixels
Troubleshooting
Dead / stuck pixels 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 panel has dead or stuck pixels, often a panel defect.
How to fix Dead / stuck pixels
Check the warranty
If dead pixels persist, check the manufacturer's dead-pixel policy for a replacement.
Source: Samsung TV support — no signal / HDMI
Confidence: 80%
Verified Aug 9, 2026
Try a pixel fixer
Run a pixel-fixing video or app to try to revive stuck pixels.
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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