If you can provide more details about the DVR model or the specific system you're dealing with, I could offer more tailored advice.
He’d never set a password.
If the DVR is not connected to a network or the on-screen menus are inaccessible, a physical motherboard intervention will force the system back to its factory-fresh configuration. Method A: Motherboard Jumper Shorts (G1 / J1 Pins) cynics dvr reset password
Use the generated temporary code to log in and create a new password. Tips to Prevent Future Lockouts If you can provide more details about the