Verify that you do not have any devices (such as an audio receiver) between your digital box and your TV that is NOT HDCP compliant. (If you do have a non-compliant device, you may need to use a secondary audio connection on the TV)
Alternatively you can use an optical cable to connect your audio receiver to the TV
Ensure that your TV firmware is up to date
Go to your TV manufacturer’s website and check if your Smart TV is on the most recent firmware as some of these connection issues are known to TV manufacturers and are resolved over time through firmware updates.
High-bandwidth Digital Content Protection (HDCP) is a form of digital copy protection that prevents copying of digital audio and video content as it travels across connections. This latest standard HDCP 2.2 was enforced as a result of content producers’ demands to protect their content. HDCP2.2 was not yet implemented when 4K (UHD) TVs were initially manufactured.
However, most 4K TVs sold since 2015 are HDCP 2.2 compatible. To check if your TV is HDCP 2.2 compatible, check your owner’s manual, check the support pages for your TV, or contact your TV manufacturer.
HDMI cable connection failure between your digital box/PVR and the TV can result in the error messages listed below. These errors can be random and sometimes more frequent but can often be resolved with a few simple troubleshooting steps.