screen-flicker Troubleshooting

Screen flickering on the TCL 43T69C 43 Zoll QLED, Direct LED TV, 4K HDR TV, Smart Google TV (Dolby Vision & Atmos, Game Master, Motion Clarity, Kompatibel mit Google Assistant & Alexa)

Source: TCL support — TV troubleshooting 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: TCL support — TV troubleshooting Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 5 min

Check the cable

Reseat the HDMI cable and try a different port.

Source: TCL support — TV troubleshooting Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 3 min

Parts needed: TCL 43T69C HDMI Cable

Replacement parts for the TCL 43T69C 43 Zoll QLED, Direct LED TV, 4K HDR TV, Smart Google TV (Dolby Vision & Atmos, Game Master, Motion Clarity, Kompatibel mit Google Assistant & Alexa)

TCL 43T69C Remote Control TCL 43T69C Stand TCL 43T69C Power Cable TCL 43T69C Wall Mount TCL 43T69C HDMI Cable

← All TCL 43T69C 43 Zoll QLED, Direct LED TV, 4K HDR TV, Smart Google TV (Dolby Vision & Atmos, Game Master, Motion Clarity, Kompatibel mit Google Assistant & Alexa) error codes

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