What should I do when I get a "No Signal" error in Software Preview when I connect my PS4 Pro to an AVerMedia capture device and I have set "HDCP to Off" in the RECentral 4 settings?

1. HDCP setting in video input source: 
If it is a PS4 or PS5 game console, uncheck the "Enable HDCP" setting under Settings and then System, and make sure it is turned off. 

2. Capture card settings for iOS devices like iPhone, iPad:
Check this tutorial video for further settings. ​