IP search method of network camera and possible situations and solutions when camera cannot be searched:
The firewall of PC is not closed, or there are other security software blocking it.
The IP address of the PC is assigned through DHCP, but the assigned IP address is invalid.
PC and camera do not belong to the same LAN.
Network: switch entry aging needs to be restarted.
Router IP address filtering or blocking and so on.
Network cable aging or network crystal head oxidation and other reasons lead to network failure.
Camera: for some reasons, the internal service of the camera does not run or stops running, so it needs to power off and restart the camera.
The camera is not powered on or the power supply is faulty. The POE module of the camera powered by Poe is damaged.
The camera has been damaged.