HCDP (High-definition Copy Data Protection) is something added to the HDMI specs by the movie/tv industry to prevent making exact digital copies of content. Both ends of the HDMI connection must support the HDCP specs or the video won't be transmitted. Few monitors will support HDCP. You may be able to run your HDMI video through an HDMI adaptor or splitter that provides HDCP support.
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Do not ask me support questions via private message -- post them publicly to the Community where others may benefit as well.
If this post solves your problem please help others find this answer by clicking "Accept as Solution.". Please only do this if it ACTUALLY solves your problem.
Streaming Stick 4K+ 3821 | Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X | Streaming Stick 3600
