screen-flicker Troubleshooting

Screen flickering on the TCL 65Q8C 65 Zoll QD-Mini LED-Fernseher, 4K HDR Premium 4500, ZeroBorder™, Smart Google TV, CrystGlow WHVA-Panel, Audio von Bang & Olufsen, 144Hz Motion Clarity Pro, Dolby Vision IQ & Atmos

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

Replacement parts for the TCL 65Q8C 65 Zoll QD-Mini LED-Fernseher, 4K HDR Premium 4500, ZeroBorder™, Smart Google TV, CrystGlow WHVA-Panel, Audio von Bang & Olufsen, 144Hz Motion Clarity Pro, Dolby Vision IQ & Atmos

TCL 65Q8C Remote Control TCL 65Q8C Stand TCL 65Q8C Power Cable TCL 65Q8C Wall Mount TCL 65Q8C HDMI Cable

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