Dahua surveillance video hard disk initialized WD20EV by mistake

Case:
The client said that when the monitoring administrator of the factory was at work in the morning, he found that the monitoring screen did not display. After some testing, it was confirmed that the surveillance video recorder was broken.Factory leaders need to view the surveillance videos of the previous two days, so that the computer administrator of the factory copies the surveillance video.As a result, the hard disk was accidentally initialized by the computer administrator. Open the hard disk partition and find that there is no video file.The hard disk was removed from Dahua monitoring video recorder.

Solution:
The engineer of the line data recovery center first detected the health status of the hard disk hardware, found that the hard disk is currently healthy, and the hardware fails.Through Winhex, a copy of the mirror is directly packed, and the Dahua monitoring video software written by the company has been scanned and recovered. It is found that the video video channel and video time that the customer needs is complete.