no-signal Troubleshooting

No signal / black screen on the TELEFUNKEN XF40TP900S Fernseher 40 Zoll (100 cm) Smart TV Full HD Auflösung | powered by TiVo | HDR | 6 Monate HD+ | Dolby Audio | 2x HDMI | 1x USB | Triple-Tuner DVB-C/-S2/-T2 | Modelljahr 2026

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 TELEFUNKEN XF40TP900S Fernseher 40 Zoll (100 cm) Smart TV Full HD Auflösung | powered by TiVo | HDR | 6 Monate HD+ | Dolby Audio | 2x HDMI | 1x USB | Triple-Tuner DVB-C/-S2/-T2 | Modelljahr 2026

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