However, there are times when the default password has been changed, or it has been locked down by a previous user. In these cases, you should take a step back and examine other user manual recommendations. While the admin password might be lost, the firmware update process itself can sometimes require a temporary, specific password to unlock the update feature. According to some Hi Sharp manuals, to upgrade the kernel procedure, you can insert a USB drive containing the update into the DVR, then at the system login prompt, input the password "adwsws". After you provide that password, the system will upgrade automatically and restart. This feature is a built-in system function to allow administrators to push updates even when the main password is unknown.
Connect your PC to the same network as the DVR and run the software to locate the device. hi sharp dvr reset password upd
If you still remember your password or have successfully reset it via another method, you can perform a factory reset directly through the DVR’s on‑screen menu: However, there are times when the default password