Accessories - DC Plug, Pigtail, DC Terminal, CCTV Warning Sign.

Geovision NVR Software License Dongles (3rd Party).

Internal Recording Server Dongle (GV & 3rd Party).

Internal Recording Server Dongle (GV IP only).

On contrary, password and settings are stored in flash memory. However, doing this only reset the date and time of your device, it will not reset the password. Some people may naively think by short-circuiting or taking battery out will reset the DVR/NVR.

Similar to computers, each main-board of DVR/NVR devices has a 3V button battery. Can DVR/NVR be reset by CMOS button battery? Some very old DVR recorders can be reset by pressing key/buttons in front of panel, people may consult with original manufacturers/suppliers. It’s impossible to reset the recorder if you forget the password. They only allow admin users to reset system after logon. How to reset DVR/NVR’s password?Īs far as we know, today most DVR/NVR can not support be reset through hardware operation. How to use superadmin tool?ġ.Connecting your device to the monitor, and write down the current data and time displayed on monitor.Ģ.Double click “Superadmin.exe” executable file.ģ.Select the date and time from calendar to match your DVR/NVR’s date and time.Ĥ.Click “Do it” to generate a temporary passwordĥ.Using mouse to operate the DVR/NVR, enter username “admin”, then input temporary password, now you’re able to enter system to tweak NVR again. The password tool works for Hisilicon based DVR/NVR, including recorders that use Hi3520, Hi3520D, Hi3521A, Hi3521D, Hi3531, Hi3535, Hi3536.

Based on algorithm, the tool can calculate a password after input date and time. exe file can run immediately, installation is not required.

Superadmin tool is an executable file, compatible with Windows 32/64 bit OS. This article shows you how to obtain a generated password to enter the system, this method requiring users to download and run “Superpassword” tool, the tool will generate a temporary password which is valid within one hour. If you can not find the method to gain access, your device will be useless. After security upgrading of the devices, most DVR/NVR products now can not be hacked via network method such as telnet command. After you forget the password of your DVR/NVR, you’re not able to enter system thus not possible to tweak settings or even playback recorded footage.

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