2. According to the instructions, check whether the indicator light of the hard disk video recorder is normal;

3. Connect the monitor to a normal computer host to test whether it is normal; The phenomenon of no signal mainly checks whether the hard disk video recorder has signal output.

Solution:

You can download a 4200 debugging, or you can download a device network search software to activate it on your computer, and then debug it on the web page.

How does Hikvision's camera debug a video recorder without a hard disk on the computer?

The operation is as follows-main menu-image setting-channel selection; You need to set some options; Good luck. If it is the HS series version.