What to do if hard disk drive can't be recognized? You can format the hard drive before using it. If DVR or NVR can't recognize HDD, we can try methods below. Install hard drive and put hard drive close to your ear to check if you can hear some noise 1) Open the cover...

1. Please put your camera near to the router. 2. Send us version of your camera to the support for upgrade file. 3. If your camera is equipped with wifi antenna, then check whether the wifi antenna is loose or not. Also, you can disassemble and check if the antenna clip on the main...

Right click on mouse and choose Main Menu---Advanced---Version

Right click the mouse>Video Playback>Choose date、Channel、Record mode>Click Search>then can view playback file Note：You can only watch four Channels recording at the same time. Illustration for playback button: Play： Pause: Fast forward: Play file: Choose the recording file in file list. Choose one of the recording, click to play recording file; Video backup