hi
i have bought one of the no named chinese dvr, it works properly but sometimes it start the buzz sound and then it reboots and again start to record, but maybe 4 times a day, and one another problem is that, sometimes it says no hard disk and when i press the ok button the dvr start its work but no recording, i have to go to dvr and turn it off and on again to start recording.,
when the error comes it can not detect my hard disk, where is the problem?
my hard disk is 200G,
why should it need to restart to detect my hdd?
how can anyone help me.
also i want to know if i can upgrade the software, on the dvr box it wrote model 2004.