A: The video will be installed in HDD or SD cards. Furthermore, servers will store some videos if the MDVRs have connected to the Internet.
A: 1.Check the power supplier. It should work properly and the power is higher than 30W.
2.Check the power cable connection[+,-,ACC].
3.Check whether the front panel is locked well.
4.Check whether the fuse is installed properly.
A: admin / no password