In case you have a wireless or wire-free camera connected with your home network router, then any signal loss or interference from other devices in the network will cause a No Video Signal problem. The hardware of the security system such as Analog CCTV cameras, DVR or NVR, and the monitor can cause no video signal issue if any device of your system is damaged. This No Video Signal problem happens when there is a cut or bend on your system cables, especially HDMI or VGA cable connected between your Video Recorder Device and your cameras.Īnother reason for the No Video Signal issue is faulty power wires or damage in the power adapter of cameras or any equipment in the system. Well, when you have a black screen or you turn on your security cameras and DVR/NVR and there nothing appears on your monitor, then you probably have No Video Signal issue. Why Do Security Cameras Have No Video Signal Issue? 2- Check Your Camera Video or Data Connection.How to Fix Security Camera No Video Signals Issue Happens?.Why Do Security Cameras Have No Video Signal Issue?.
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