Many people have encountered the need to clear the DVR password, so how to clear the DVR password? This paper introduces a simple method, hoping to help you.
How to clear DVR password 1, turn off the host and cut off the power input of the host;
How to clear the DVR password 2, remove the cover screw, open the cover of the chassis;
How to clear the DVR password 3 and find the J4 pin next to the MCU on the front panel (marked with Password Clear or Password Reset characters);
How to clear DVR password 4 and put 1.2 legs of J4 pin (near resistance R5) in short circuit state with a line block;
Connect the mainframe power input, open the mainframe power supply, start the mainframe;
How to clear the DVR password 5, at this time will hear the front panel buzzer issued a reminder sound, indicating that the password has been cleared for the factory to set the default mode;
How to clear the DVR password 6, shut down the host again and cut off the power input of the host;
How to clear the DVR password 7, pull out the short circuit block, and put the 1.2 legs of the J4 pin (near the resistance R5) in the open state again?
How to clear the DVR password 8, fix the cover of the case, and the password is cleared.
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