Dell Precision Tower 3420 Owner's Manual page 40

NOTE: The existing passwords are not disabled (erased) until the computer boots without the
jumper.
5. Install the cover.
NOTE: If you assign a new system and/or setup password with the PSWD jumper installed, the
system disables the new password(s) the next time it boots.
6. Connect the computer to the electrical outlet and power-on the computer.
7. Power-off the computer and disconnect the power cable from the electrical outlet.
8. Remove the cover.
9. Replace the PSWD jumper on the system board.
10. Install the cover.
11. Follow the procedures in After Working on Your Computer.
12. Power-on the computer.
13. Go to the system setup, and assign a new system or setup password. See Setting up a System
Password.
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