Erasing A Lost Or Forgotten Password (Clearing Cmos) - Lenovo ThinkCentre 8116 User Manual

Refer to "Lithium battery notice" on page x for information about replacing and
disposing of the battery.
To change the battery:
10. Use the Setup Utility program to set the date and time and any passwords.

Erasing a lost or forgotten password (clearing CMOS)

This section applies to lost or forgotten passwords. For more information about
lost or forgotten passwords, go to the ThinkVantage Productivity Center program.
Note: If you are enrolled in the Hardware Password Reset program, refer to
To erase a forgotten password:
24
User Guide
1. Turn off the computer and disconnect the power cord from the electrical outlet
and from the computer.
2. Open the computer cover. See "Opening the cover" on page 10.
3. Access the system board. See "Accessing system board components and
drives" on page 12.
4. Locate the battery. See "Identifying parts on the system board" on page 13.
5. Remove the old battery.
6. Install the new battery.
7. Reinstall the PCI riser assembly if removed.
8. Close the computer cover, and connect the cables. See "Closing the cover and
connecting the cables" on page 25.
Note: When the computer is turned on for the first time after battery
replacement, an error message might be displayed. This is normal after
replacing the battery.
9. Turn on the computer and all attached devices.
See Chapter 2, "Using the Setup Utility," on page 27.
"Resetting the hard disk drive and power-on password" on page 29 to reset
your password. If you do clear CMOS or restore Setup Utility defaults, you
will have to re-enroll in the Hardware Password Reset program.
1. Open the computer cover. See"Opening the cover" on page 10.
2. Access the system board. See "Accessing system board components and
drives" on page 12.
3. Locate the Clear CMOS/Recovery jumper on the system board. See
"Identifying parts on the system board" on page 13.