screen-flicker Troubleshooting

Screen flickering on the Stouchi HDMI 2.1 Kabel 8K 10K 4K Certified Ultra High Speed ​​ 48Gbps (2M) | 4K120 144Hz RTX 3080 eARC HDR10 4:4 HDCP 2.2 & 2.3 Dolby kompatibel mit Fire TV/Roku TV/PS5/Xbox Series X/Samsung/Sony/LG

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

The screen flickers, often due to a refresh rate issue, a loose cable, or a failing panel.

How to fix Screen flickering

Check the refresh rate

Ensure the source device's refresh rate matches the TV's supported rate.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 5 min

Check the cable

Reseat the HDMI cable and try a different port.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 3 min

Replacement parts for the Stouchi HDMI 2.1 Kabel 8K 10K 4K Certified Ultra High Speed ​​ 48Gbps (2M) | 4K120 144Hz RTX 3080 eARC HDR10 4:4 HDCP 2.2 & 2.3 Dolby kompatibel mit Fire TV/Roku TV/PS5/Xbox Series X/Samsung/Sony/LG

Stouchi ST-HTH2 Remote Control Stouchi ST-HTH2 Stand Stouchi ST-HTH2 Power Cable Stouchi ST-HTH2 Wall Mount Stouchi ST-HTH2 HDMI Cable

← All Stouchi HDMI 2.1 Kabel 8K 10K 4K Certified Ultra High Speed ​​ 48Gbps (2M) | 4K120 144Hz RTX 3080 eARC HDR10 4:4 HDCP 2.2 & 2.3 Dolby kompatibel mit Fire TV/Roku TV/PS5/Xbox Series X/Samsung/Sony/LG error codes

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