1. Power off the computer.
2. Remove the power cable and the cabinet cover.
3. Locate the configuration jumper on the motherboard; the motherboard manual can help you in this. The jumper will be connected to the 1st and 2nd pins by default; remove it and connect the 2nd and 3rd pins with it.
4. Reconnect the power cable and switch on the system. You will find a special maintenance screen with the option to reset passwords.
5. Select the option 'clear passwords', and confirm the choice.
6. Press F10 key to save the settings and exit.
7. Remove the power cable, and put the configuration jumper back to pins 1 and 2.
8. Replace the cover and power cable, and start the system.
2. Remove the power cable and the cabinet cover.
3. Locate the configuration jumper on the motherboard; the motherboard manual can help you in this. The jumper will be connected to the 1st and 2nd pins by default; remove it and connect the 2nd and 3rd pins with it.
4. Reconnect the power cable and switch on the system. You will find a special maintenance screen with the option to reset passwords.
5. Select the option 'clear passwords', and confirm the choice.
6. Press F10 key to save the settings and exit.
7. Remove the power cable, and put the configuration jumper back to pins 1 and 2.
8. Replace the cover and power cable, and start the system.
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