Service Manual

Table Of Contents
Clearing CMOS settings
About this task
CAUTION: Clearing CMOS settings resets 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 Removing the base cover.
3. Press and hold the power button for 5 seconds to drain the flea power.
4. Before you turn on your computer, follow the steps in Installing the base cover.
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.
68 System setup