Steps
1. Turn off the computer and disconnect the power cable from the computer.
2. Remove the left-side cover.
3. Lay the computer on its right side.
4. Locate the 2-pin password reset jumper on the system board.
5. Ensure that the jumper is on the pair of password pins (JM34) and remove the jumper.
6. Plug the power cable to the computer and turn on the computer to clear the password.
7. Wait for until the desktop is loaded and then shut down the computer.
8. Disconnect the power cable from the computer.
9. Replace the jumper on the pair of password pins (JM34).
10.Install the
left-side cover.
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