First shut down the host, cut off the power input of the host, follow the following steps:
1. Remove the cover screw and open the case cover.
2. Locate the J4 pin (marked with PasswordClear or PasswordReset characters) next to the MCU on the front panel.
3. Place the 1 and 2 legs of the J4 pin (near the resistor R5) in the short circuit state with the jumper block.
4. Connect the host power input, turn on the host power supply, and start the host.
5. You will hear the buzzer on the front panel play a tone, indicating that the password has been cleared to the factory default.
6. Shut down the host again and cut off the power input to the host.
7. Remove the short circuit block and set the 1 and 2 legs of the J4 pin (near resistance R5) in the open state again.
8. Secure the chassis cover. The password is cleared. Need to disassemble the machine, use the jumper to clear, specifically look at the internal circuit board mark.
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