1.How to do if no video show up after finished connected?,
1.How to do if no video show up after finished connected?
How to do if no video show up after finished connected?

Please check the following steps

1.Check all the connect,cover the light sensor,check the camera is get power or not confirm  DVR power indicator is on

2.If camera get power, DVR get power, but still no video show up?
Please confirm the HDMI or VGA cable is ok

3.f HDMI or VGA cable is ok,  we guess it is resolution problem.
The default resolution which can support our system is 1280*1024


Also,here is some installation video on youtube: