@Clive_A I can still access that third camera with 'Hik-connect' (streaming app from Hikvision) and can see the feed. If this was a problem with the power / data cables, it shouldn't work for...

Whats the story behind "non certified" cameras!!? I had my Hikvision cameras (ONVIF enabled) connected to this NVR and 2 cameras were detected out of 3. The problem was, I was stuck at the...