phoneman632003 0 Posted December 2, 2017 hey group just got signed in anyone do zmodo nvr ZMD-NV-SBN4? i just took over system for Habitat restore here in Urbana, ohio problem: can view cams on Zviewer, but need to access nvr to add 2 more cams. connected to monitor , vga port. all i get is " loading" then goes black, no signal, then reboot screen "loading. this was working, and added first 2 cams...no not. what puzzles me is NVR is working, recording , and viewable on Zviewer? thanks tom Share this post Link to post Share on other sites