Stop the strobe effect and signal drops with these simple technical troubleshooting steps today.
Flickering is usually a handshake failure between the HDMI 2.1 protocol, HDCP authentication, and cable bandwidth.
Pushing 4K at 120Hz with HDR requires 48Gbps, which many lower-quality cables cannot consistently support.
Many cables marketed as high-speed only meet 18Gbps standards, causing signal integrity drops and flashes.
Fix issues by going to Settings, Video Output, and changing 4K Video Transfer Rate to -1.
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