Clearing Cmos Settings; Clearing Bios (System Setup) And System Passwords - Dell Inspiron 7405 2n1 Service Manual

Clearing CMOS settings

About this task
CAUTION: Clearing CMOS settings will reset the BIOS settings on your computer.
Steps
1. Turn off your computer.
2. Remove the base cover.
NOTE: The battery must be disconnected from the system board (see Step 4 in
3. Press and hold the power button for 15 seconds to drain the flea power.
4. Before you turn on your computer, follow the steps in
5. Turn on your computer.
Clearing BIOS (System Setup) and System
passwords
About this task
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.
58 System setup
Installing the base cover.
Removing the base cover.