Lenovo 8119, 8121, 8120, 8107, 8105, 8109, 8108, 8104, 8118, 8117, 8106 manual User Guide

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The battery normally requires no charging or maintenance throughout its life; however, no battery lasts forever. If the battery fails, the date, time, and configuration information (including passwords) are lost. An error message is displayed when you turn on the computer.

Refer to “Lithium battery notice” on page x for information about replacing and disposing of the battery.

To change the battery:

1.Open the computer cover. See “Opening the cover” on page 10.

2.Pivot the drive bay assembly upward to gain access to the system board.

3.Locate the PCI riser. See “Locating components” on page 11.

4.Lift the PCI riser up to gain access to the battery. See “Installing a PCI adapter” on page 14.

5.Locate the battery. See “Identifying parts on the system board” on page 11.

6.Remove the old battery.

7.Install the new battery.

8.Replace the PCI riser.

9.Close the computer cover, and plug in the power cord. See “Closing the cover and connecting the cables” on page 20.

18User Guide

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Contents Page Page Page Page Contents Iv User Guide Important safety information Conditions that require immediate actionGeneral safety guidelines ServicePower cords and power adapters Plugs and outlets Extension cords and related devicesBatteries CD and DVD drive safety Heat and product ventilationLithium battery notice Additional safety informationTo connect To disconnect Modem safety information Laser compliance statementPower supply statement Overview Information resourcesXiv User Guide Installing options FeaturesVideo subsystem Operating systems, preinstalled varies by model type Specifications Supported operating positions Available optionsHandling static-sensitive devices Installing external options Locating the connectors on the front of your computerLocating the connectors on the rear of your computer Connector Description Obtaining device driversOpening the cover Locating components Identifying parts on the system boardInstalling memory Installing options Installing a PCI adapter What to do nextWhat to do next Installing an optical drive Security featuresIntegrated cable lock Password protection Changing the batteryUser Guide Erasing a lost or forgotten password clearing Cmos Closing the cover and connecting the cables Viewing and changing settings Using the Setup Utility programStarting the Setup Utility program Exiting from the Setup Utility programAdministrator Password Password considerationsUser Password IDE Drive User PasswordSetting, changing, and deleting a password IDE Drive Master PasswordResetting the hard disk drive and power-on password Selecting a startup device Using Security Profile by DeviceUsing IDE Drives Setup Parallel ATASelecting a temporary startup device Changing the startup sequenceUser Guide 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 failureCleaning an optical mouse Appendix B. Cleaning the mouseCleaning a mouse with a ball User Guide Appendix C. Manual modem commands Basic AT commandsSet Tone Dial as default Low speaker volumeSet Pulse dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 commandsVoice commands Appendix C. Manual modem commands User Guide Tier 1 CRUs Appendix D. Customer replaceable unit CRU parts listTier 2 CRUs User Guide Appendix E. Notices Television output notice TrademarksBios IndexPage Page Part Number 39J8083