If you delete the paired camera from the channel, you can auto-add it by the following steps.
1. Please right-click the mouse and go to Video Manage, then tick Refresh. You can search for the camera's IP address. The IP address should be "172.20.14.X.
2. Then pls go to the lower part, the Adding device part, choose the channel to which you want to add the camera to, pls be sure the channel you choose status is “No video source" if the status is "No video source", but such as " IPC disconnect, pls choose this channel, and click the "delete" button at the right side. The channel should be "No video source".
3. Then pls back to the upper part. Choose the Channel, double click the IP address like 172.20.14.32, then you can see the camera's status shows "Connect success"
5. Now, you can see the camera's image on TV or monitor.