Dell Vostro 2420 (Mid 2012) - Manual (Page 44)

1. In the System BIOS or System Setup screen, select System Security and press <Enter>.
The System Security screen is displayed.
2. In the System Security screen, verify that Password Status is Unlocked.
3. Select System Password, alter or delete the existing system password and press <Enter> or <Tab>.
4. Select Setup Password, alter or delete the existing setup password and press <Enter> or <Tab>.
NOTE: If you change the System and/or Setup password, re-enter the new password when promoted. If you
delete the System and/or Setup password, confirm the deletion when promoted.
5. Press <Esc> and a message prompts you to save the changes.
6. Press <Y> to save the changes and exit from the System Setup.
The computer reboots.
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