dead-pixels Troubleshooting

Dead / stuck pixels on the Philips Ambilight 55PUS8600 4K QLED Smart TV - 55 Zoll Display mit P5 Perfect Picture Engine Ultra HD, Titan OS, Dolby Vision und Dolby Atmos Sound

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

Replacement parts for the Philips Ambilight 55PUS8600 4K QLED Smart TV - 55 Zoll Display mit P5 Perfect Picture Engine Ultra HD, Titan OS, Dolby Vision und Dolby Atmos Sound

Philips 55PUS8600/12 Remote Control Philips 55PUS8600/12 Stand Philips 55PUS8600/12 Power Cable Philips 55PUS8600/12 Wall Mount Philips 55PUS8600/12 HDMI Cable

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