Erasing a lost or forgotten password clearing Cmos | Lenovo 8380

To change the battery:

1.Turn off the computer and all attached devices.

2.Remove the computer cover. See “Removing the cover” on page 10.

3.Locate the battery. See “Identifying parts on the system board” on page 12.

4.Remove the old battery.

5.Install the new battery.

6.Replace the computer cover, and plug in the power cord. See “Replacing 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.

7.Turn on the computer and all attached devices.

8.Use the Setup Utility program to set the date and time and any passwords. See Chapter 2, “Using the Setup Utility,” on page 27.

Erasing a lost or forgotten password (clearing CMOS)

This section applies to lost or forgotten passwords. For more information about lost or forgotten passwords, see the ThinkVantage Productivity Center program on your desktop.

To erase a forgotten password:

1.Turn off the computer and all attached devices.

2.Remove the computer cover. See “Removing the cover” on page 10.

3.Locate the Clear CMOS/Recovery jumper on the system board. See “Identifying parts on the system board” on page 12.

4.Move the jumper from the standard position (pins 1 and 2) to the maintenance or configure position (pins 2 and 3).

5.Replace the computer cover and connect the power cord. See “Replacing the cover and connecting the cables” on page 25.

6.Restart the computer, leave it on for approximately ten seconds. Turn off the computer by holding the power switch for approximately five seconds. The computer will turn off.

7.Repeat steps 2 through 4 on page 24..

24User Guide

Image 40

Lenovo 8380, 8288, 8342, 8329, 8297, 8326 manual Erasing a lost or forgotten password clearing Cmos

Contents

User Guide Types 8288, 8297 Types 8329, 8342 Page User Guide Types 8288, 8297 Types 8329, 8342 Page Contents Iv User Guide Important safety information Conditions that require immediate action General safety guidelines Service Power cords and power adapters Plugs and outlets Extension cords and related devicesBatteries CD and DVD drive safety Heat and product ventilation Lithium battery notice Additional safety informationTo connect To disconnect Modem safety information Laser compliance statement Power supply statement Overview Information resources Xiv User Guide Installing options Features Video subsystem Operating systems preinstalled varies by model type Specifications Available options Tools required Installing external options Handling static-sensitive devices Locating the connectors on the front of your computer Locating the connectors on the rear of your computer Connector Description Obtaining device drivers Removing the cover Locating components Identifying parts on the system board Installing memory What to do next Installing adapters What to do next Installing internal drives Drive specifications Installing options Installing a drive in bay 1 or bay Installing options Connecting drives Connecting the first optical drive Connecting a serial ATA hard disk drive Installing security features Integrated cable lock Changing the battery Password protectionPadlock Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Using the Setup Utility Starting the Setup Utility programViewing and changing settings Using passwords User Password Administrator PasswordSetting, changing, and deleting a password Using Security Profile by Device Selecting a temporary startup device Selecting a startup deviceChanging the startup device sequence Advanced settings Exiting from the Setup Utility program Appendix A. Updating system programs Updating flashing Bios from a diskette or CD-ROMSystem programs Updating flashing Bios from your operating system Recovering from a POST/BIOS update failure Cleaning an optical mouse Appendix B. Cleaning the mouseCleaning a mouse with a ball User Guide Appendix C. Manual modem commands Basic AT commands Low speaker volume Set Pulse dial as defaultSet Tone Dial as default Internal speaker on until carrier detected Extended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 commands Voice commands Appendix C. Manual modem commands User Guide Appendix D. Notices Television output notice Trademarks Index Password lost or forgotten Page Part Number 41D4435