NVR password reset button not working

1.Installation case

• NVR administrator changed

2. Symptom

• Forgot the password of the NVR and can't access it as device admin.
• The user tried to reset the password by pressing a small hole in the back of the device with a pointed tool, but it didn't reset.

3. Cause

• The password reset button on the back of the product was repeatedly pressed with excessive pressure and broke.
• The reset button may be broken if you don't feel the button depress when you use a tool to press the area where it is located, or if you hear the detached part move when you pick up the product

[Product rear reset button location]                                  [Reset button broken and detached]

4. Solution

• Using a pointed tool, press the password reset button with moderate pressure for about 15 seconds.
• If the device is not responding, send it to a repair center.