dead-pixels Troubleshooting

Dead / stuck pixels on the Samsung Crystal U7099H 4K 43 Zoll (108 cm), UHD Fernseher, AI Companion für Deine Fragen, 4K Upscaling, Dynamik Sound Pack für Premium-Sounderlebnis, Gaming Hub, kostenlos 900 Sender, Smart AI TV

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
Difficulty: ★ Est. 10 min

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
Difficulty: ★ Est. 30 min

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