no-signal Troubleshooting

No signal / black screen 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: 90% Verified Aug 9, 2026

The TV or monitor shows no signal, often from an HDMI issue or a wrong input.

How to fix No signal / black screen

Check the HDMI connection

Ensure the HDMI cable is fully seated in both the TV and the source device.

Source: TCL support — TV troubleshooting Confidence: 90% Verified Aug 9, 2026
Difficulty: ★ Est. 3 min

Parts needed: TCL 43T69C HDMI Cable

Select the correct input

Change the TV input to match the port the source device is connected to.

Source: TCL support — TV troubleshooting Confidence: 90% Verified Aug 9, 2026
Difficulty: ★ Est. 2 min

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

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