If you can’t get the video from the camera connected to video capture cards, do the following:

1. Check the video capture cards channels.

   Complete guide Testing video capture cards

   
   

2. Check whether the video capture cards driver is installed in the Device Manager (Start → Control Panel → Device Manager). You can install or update the driver, if necessary.
3. For the FX-4 and FX-8 cards proper operation in Axxon PSIM, you need to install the KB3033929 and KB3004394 updates. You can download them from the Microsoft website.