Lenovo 8095, 8426, 8421, 8145, 8142, 8420, 8141, 8096 manual User Guide

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

To change the battery:

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

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

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

4.If necessary, remove any adapters that impede access to the battery. See “Installing adapters” on page 14 for more information.

5.Remove the old battery.

6.Install the new battery.

7.Replace any adapters that were removed to gain access to the battery. See “Installing adapters” on page 14 for instructions for replacing adapters.

8.Replace the computer cover, and plug in the power cord. See “Replacing the cover and connecting the cables” on page 23.

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.

10.Use the Setup Utility program to set the date and time and any passwords. See Chapter 2, “Using the Setup Utility program,” on page 25.

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Contents User Guide Types 8095, 8096, 8141 Types 8145, 8420, 8421 Page User Guide Types 8095, 8096, 8141 Types 8145, 8420, 8421 Page Contents Iv User Guide Important safety information Conditions that require immediate actionGeneral safety guidelines ServicePower cords and power adapters Extension cords and related devicesPlugs and outlets BatteriesCD and DVD drive safety Heat and product ventilationTo connect To disconnect Additional safety informationLithium battery notice Modem safety information Laser compliance statementPower supply statement Overview Information resourcesXiv User Guide Installing options FeaturesMemory Operating systems, preinstalled varies by model type Specifications Handling static-sensitive devices Available optionsTools required Installing external options Locating the connectors on the front of your computer Locating the connectors on the rear of your computer Connector Description Obtaining device driversRemoving the cover Locating components Identifying parts on the system boardInstalling memory Installing options Installing adapters What to do nextWhat to do next Installing internal drives Drive specificationsInstalling a drive User Guide Connecting the first optical drive Installing security features Connecting a serial ATA hard disk drivePadlock loop Password protectionChanging the battery User Guide Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cablesUser Guide Viewing and changing settings Using the Setup Utility programStarting the Setup Utility program Using passwordsIDE Drive User Password User passwordAdministrator password IDE Drive Master PasswordSelecting a startup device Setting, changing, and deleting a passwordUsing Security Profile by Device Changing the startup sequence Exiting from the Setup Utility programSelecting a temporary startup device Appendix A. Updating system programs Updating flashing Bios from a disketteUpdating flashing Bios from your operating system System programsRecovering from a POST/BIOS update failure Click Continue Click Downloads and driversCleaning a mouse with a ball Appendix B. Cleaning the mouseCleaning an optical mouse 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 Appendix D. Notices Television output notice TrademarksIndex Page Page Part Number 19R0462