no-signal Troubleshooting

No signal / black screen on the Samsung QLED Q7F2 4K 55 Zoll (138 cm) UHD Fernseher, Q4 AI Prozessor, Quantum Dot für Reale Farben, 4K Upscaling, Knox Security, Gaming Hub, Kostenlose Inhalte, Samsung Vision AI Smart TV

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

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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

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