screen-flicker Troubleshooting

Screen flickering on the Hisense 55U7DS PRO Fernseher 55 Zoll, 4K UHD, Hi-QLED Mini LED Pro, Smart TV, 165Hz, Hi-View AI Engine Pro, IMAX Enhanced, AI RGB Lichtsensor, Dolby Vision Atmos, Unibody Slim, FreeSync Premium, 2026

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026

The screen flickers, often due to a refresh rate issue, a loose cable, or a failing panel.

How to fix Screen flickering

Check the refresh rate

Ensure the source device's refresh rate matches the TV's supported rate.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 5 min

Check the cable

Reseat the HDMI cable and try a different port.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 3 min

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