Select your NVR and click the "Forgot Password" or "Reset Password" icon.
Dahua provides an official tool called (available on their download portal). factory reset dahua nvr
Enter your Admin Password .
Power off the NVR and disconnect the power cord. Select your NVR and click the "Forgot Password"
Opening the NVR may void your warranty. If under warranty, contact Dahua support first. factory reset dahua nvr
Right-click on the live view screen to open the Main Menu .