Manuals / Lenovo / Computer Equipment / Laptop

Lenovo 8105, 8121, 8119, 8120, 8107, 8109, 8108, 8104, 8118, 8117, 8106 manual Opening the cover

Models: 8109 8118 8121 8104 8105 8107 8120 8106 8117 8108 8119

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Opening the cover

Important:

Read “Important safety information” on page v and “Handling static-sensitive devices” on page 6 before opening the computer cover.

To open the computer cover:

1.Remove any media (DVDs, CDs, or tapes) from the drives, shut down your operating system, and turn off all attached devices and the computer.

2.Unplug all power cords from electrical outlets.

3.Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer.

4.Remove the optional floor stand, if attached.

5.Remove any locking devices such as a cable lock that secure the cover.

6.Press the buttons on the sides of the computer and pivot the cover upward to open the computer as shown.

10User Guide

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Lenovo 8105, 8121, 8119, 8120, 8107, 8109, 8108, 8104, 8118, 8117, 8106 manual Opening the cover

Contents

Page Page Page Page Contents Iv User Guide Important safety information Conditions that require immediate actionGeneral safety guidelines ServicePower cords and power adapters Batteries Extension cords and related devicesPlugs and outlets CD 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 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 PasswordResetting the hard disk drive and power-on password IDE Drive Master PasswordSetting, changing, and deleting a password Selecting a startup device Using Security Profile by DeviceUsing IDE Drives Setup Parallel ATASelecting a temporary startup device Changing the startup sequenceUser Guide System programs Updating flashing Bios from a diskette or CD-ROMAppendix A. Updating system programs Updating flashing Bios from your operating system Recovering from a POST/BIOS update failureCleaning 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 Tier 2 CRUs Appendix D. Customer replaceable unit CRU parts listTier 1 CRUs User Guide Appendix E. Notices Television output notice TrademarksBios IndexPage Page Part Number 39J8083