Dell Inspiron 3470, Service Manual

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Deleting or changing an existing system setup
password
Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and/or
Setup password. You cannot delete or change an existing System or Setup password, if the Password Status is Locked.
To enter the System Setup, press F2 immediately after a power-on or reboot.
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 reboot.
Clearing Forgotten Passwords
WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the
steps in Before working inside your computer . After working inside your computer, follow the instructions in After working inside
your computer . For more safety best practices, see the Regulatory Compliance home page at www.dell.com/
regulatory_compliance .
Prerequisites
Remove the computer cover .
Procedure
1 Locate the password jumper (PSWD) on the system board.
NOTE: For more information on the location of the jumper, see “ System-board components ”.
2 Remove the jumper plug from the password jumper-pins.
3 Wait for 5 seconds and then replace the jumper plug in its original location.
76 System and setup password