No Signal or No Image from the Projector - Input Port Issue
Solutions for 'No Signal' on Projector Screen When Connecting to HDMI - VANKYO
LG Projector Shows No Signal on Screen - Solution - Projector1
Roku connected to projector will say 'no signal', cut out, then continue with colors reversed (?). Unplugging replugging hdmi to projector will fix it sometimes for minutes or hours. Thoughts? : r/Roku
Solutions for 'No Signal' on Projector Screen When Connecting to HDMI - VANKYO