If there is no external pinhole, you may need to open the case to access the motherboard. Spiceworks Community Remove the CMOS Battery
This report outlines the standard procedures for resetting a lost or forgotten password on Multistar brand Digital Video Recorders (DVRs). As Multistar DVRs are widely used in security surveillance, lockouts are a common occurrence due to password turnover or employee changes. This document details three primary methods for recovery: the "Forgot Password" graphical interface, the Super Password generation technique, and hardware-level resetting. how to reset multistar dvr password