no-signal Troubleshooting

No signal / black screen 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: 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: Samsung TV support — no signal / HDMI Confidence: 90% Verified Aug 9, 2026
Difficulty: ★ Est. 3 min

Select the correct input

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

Source: Samsung TV support — no signal / HDMI Confidence: 90% Verified Aug 9, 2026
Difficulty: ★ Est. 2 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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