This solution is suggested only when the original nvr/dvr is damaged and there is no other way to get the videos, usually is better to don't remove hard disks from videos (because the recorder will clean it when we put it back).nvr/dvr is damaged and there is no other way to get the videos, usually is better to don't remove hard disks from videos (because the recorder will clean it when we put it back).hdd is not recognized by the pc. It is important to don't format the hdd, the app can get the video even if the hdd is not recognized by the pc. When a recorder is damaged or blocked, it is possible to remove the hard disk and connect to a PC to retrieve important videos.
