Service Manual
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 System Setup.
The computer reboots.
Clearing CMOS settings
CAUTION: Clearing CMOS settings will reset the BIOS settings on your computer.
1. Remove the base cover.
2. Remove the battery.
3. Disconnect the coin-cell battery.
4. Wait for one minute.
5. Connect the coin-cell battery.
6. Replace the battery.
7. Replace the base cover.
Clearing forgotten passwords
Contact Dell technical support to clear the forgotten passwords, see www.dell.com/contactdell.
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System and setup password