If the SADP tool does not detect your DVR, your firewall is blocking the scan. Temporarily disable Windows Defender Firewall or add an exception for Port 8000.
If your DVR has a "Forgot Password" or "Forgot Pattern" link on the login screen, click it. It may display a . Scan this code using the mhk dvr password reset
Look for two small circular pads (solder points) labeled RST . Use a metal paperclip or tweezers to touch both pads simultaneously for 10 seconds while powering on the unit. If the SADP tool does not detect your
This method requires that the DVR is still connected to the internet (or at least has the correct date/time set). If the battery on the motherboard has died, the system clock might be wrong, causing the QR code to fail. It may display a
A hardware factory reset will erase all user settings, including network configurations, motion detection zones, and user accounts. It typically will not delete the video footage stored on the hard drive, but you will need to reconfigure the camera views.
Enter the current date shown on the DVR (e.g., 20260409) into the calculator to generate a temporary reset code. 3. Hardware Reset (Pinhole/Button) Check the back or side of the DVR for a small reset button or a pinhole labeled "Reset." Unplug the power from the DVR. Press and hold the reset button using a paperclip or pin. While holding the button, plug the power back in. Continue holding for 15–30 seconds until you hear a beep or see the system reboot. 4. Remove the CMOS Battery