Open the associated mobile app (e.g., for Dahua/generic, Guarding Vision for others).
: Access an "AHD DVR Super Password Generator" (often available as an app or web tool). Enter the DVR's date into the tool to receive a one-time code.
What are currently showing on your camera screen?
Because generic advice doesn't always work, here are tailored instructions for popular brands:
and immediately export a backup of the configuration settings to prevent future lockouts. Should I help you find the default password reset tool for a specific brand of DVR? ahd dvr password reset
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Look for a sticker on the bottom or back of the DVR. Many brands print the default password there.
: Go to the login screen on your DVR and click "Forgot Password" . This should display the DVR’s Serial Number and the current System Date .
Do you see a on your login prompt? Share public link Open the associated mobile app (e
Always disconnect the power supply cord from the back of the DVR before opening the casing to avoid shorting out components or sustaining an electrical shock. Method A: Removing the CMOS Battery
on the login screen after several failed attempts. Scanning this code through a proprietary mobile app (like BitVision or XMEye) sends a reset request to the manufacturer’s server. They then email a temporary verification code to the account linked during the initial setup. Conclusion
Carefully remove the battery for 5–10 minutes to clear the temporary memory (RAM) where the password is stored.
: Store the new password, serial numbers, and purchase invoices in a secure password manager or physical safe. What are currently showing on your camera screen
[ DVR MOTHERBOARD ] _____________________ | | | [TP1] [TP2] | <-- Look for labelled solder pads | o o | (e.g., J1, RST, TP, RESET) |_____________________| Steps for a Hardware Reset:
Leave the password field completely blank first, then try the most common default combinations: admin | Password: (Leave Blank) Username: admin | Password: 12345 or 123456
If you're unable to access the web interface, you can try resetting the password using the device's menu: