Before assuming you need a full reset, test the factory default credentials. Many users forget they never changed the default settings.
October 26, 2023 Subject: Methods for Resetting Forgotten Passwords on Multistar Digital Video Recorders (DVR) how to reset multistar dvr password
Do you have the showing on your DVR screen, or can you see a QR code on the login page? Before assuming you need a full reset, test
Some Multistar DVRs freeze the password reset option unless a mouse is plugged in. This is a firmware glitch specific to certain hybrid units. how to reset multistar dvr password