Samsung Crystal UHD U8079F 4K 55 Zoll (138 cm) LED Fernseher, Crystal Prozessor 4K, MetalStream Design, SmartThings, AI Upscaling, Gaming Hub, Knox Security, Kostenlose Inhalte, Smart TV — Error codes & fixes

Troubleshooting guide for the Samsung Crystal UHD U8079F 4K 55 Zoll (138 cm) LED Fernseher, Crystal Prozessor 4K, MetalStream Design, SmartThings, AI Upscaling, Gaming Hub, Knox Security, Kostenlose Inhalte, Smart TV. Diagnose an error code and find the fix.

Smart apps not loading

no-apps

The smart TV apps fail to load, often due to a network issue or a software glitch.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026

2 fixes available

HDMI no audio

hdmi-no-audio

The TV shows video over HDMI but no audio, often due to an audio output setting.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026

2 fixes available

No signal / black screen

no-signal

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

Source: Samsung TV support — no signal / HDMI Confidence: 90% Verified Aug 9, 2026

2 fixes available

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