


Then set Auto-Adjust Display Refresh Rate to Disabled and check if the Roku error code 020 is resolved.Open Advanced Display Settings of Your Roku Device Now open Advanced System Settings and in the resulting menu, select Advanced Display Settings.Open the Settings of your Roku device in the Home menu and select System.In this context, disabling the Display Refresh Rate of the Roku device may solve the 020 error code on roku. You may encounter the error code 020 and HDCP error if the Display Refresh Rate (only available on 4K supported Roku devices) of the Roku device is not compatible with your TV.

Disable Display Refresh Rate of the Roku Device If you are using an AVR (like a Yamaha AVR), check if enabling Full Bandwidth in the AVR settings clears out the error 020. Moreover, check if enabling UHD Color for the HDMI ports in your TV settings clears out the HDCP issue. Also, check if using another HDMI cable (preferably, a certified 8K 48 Gbps HDMI) or port (preferably, a 4K port on your TV) solves the error 020. The Roku HDCP error can be fixed by trying the solutions discussed below, but before that, make sure the HDMI cable is properly seated on both ends (e.g., on the Roku device and your TV).
