Clearing Cmos Settings; Clearing Bios (System Setup) And System Passwords - Dell Inspiron 3581 Service Manual

Clearing CMOS settings

CAUTION: Clearing CMOS settings will reset the BIOS settings on your computer.
1 Remove the base cover.
2 Disconnect the battery cable from the system board.
3 Remove the coin-cell
4 Wait for one minute.
5 Replace the coin-cell battery.
6 Connect the battery cable to the system board.
7 Replace the base cover.

Clearing BIOS (System Setup) and System passwords

To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell.
NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows
or your application.
102 System setup
battery.