Here are 3 currently available options to reset your Sannce CCTV DVR System. Go to the Sannce online support and read the FAQs… http://www.sanncegroup.com/index.php?case=archive&act=show&aid=202 If you are a techy person, you can reboot your Sannce DVR to factory settings over IP using your PC. Find out how here… https://www.avforums.com/threads/sannce-dvr-system-reboot.1905253/ This solution is specifically for Sannce H.264 Standalone DVR G series Go to REMOTE SETTING to access setting interface. Select ADVANCED SETTING. Select MAINTENANCE. Choose REBOOT or RESTORE FACTORY PARA. Click EXECUTE. Source manual: http://www.sanncegroup.com/index.php?case=archive&act=list&catid=31&page=1 Feel free to ask for help with your Sannce DVR in the comment box below. ...and also please share if you found a solution.