Lenovo 8701, 6490, 9635, 9637, 9277, 9269, 9631, 9283, 9287, 9265, 9383, 9379, 9648, 9387, 9279 User Guide

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6.If you have audio devices, attach them using the following instructions. For more information about speakers, see steps 7 and 8 on page 7.

1 Audio line-in	This connector receives audio signals from an external audio device,
	such as a stereo system.
2 Audio line-out	This connector sends audio signals from the computer to external
	devices, such as powered stereo speakers.
3 Microphone	Use this connector to attach a microphone to your computer when
	you want to record sound or if you use speech-recognition software.
4 Headphone	Use this connector to attach headphones to your computer when you
	want to listen to music or other sounds without disturbing anyone.
	This connector might be located on the front of the computer.

7.If you have powered speakers with an ac adapter, use the following instructions.

a.Connect the cable that runs between the speakers, if necessary. On some speakers, this cable is permanently attached.

b.Connect the ac adapter cable to the speaker.

c.Connect the speakers to the computer.

d.Connect the ac adapter to the ac power source.

6User Guide

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Contents User Guide Page User Guide Page Contents Troubleshooting Important safety information Conditions that require immediate actionGeneral safety guidelines Service and upgradesPower cords and power adapters Static electricity preventionVoltage-selection switch External devices Extension cords and related devicesPlugs and outlets BatteriesHeat and product ventilation Electrical current safety information Operating environmentTo connect To disconnect Lithium battery noticeModem safety information Laser compliance statement Power supply statementProducts with television tuner options installed Example of antenna grounding Proper grounding for the cableUsing headphones or earphones Data safetyCleaning and maintenance Additional safety information Introduction Xviii User Guide Arranging your workspace ComfortElectrical outlets and cable lengths Glare and lightingAir circulation Setting up your computer Connecting your computerUser Guide Setting up your computer User Guide 1394 Turning on power Finishing the software installationUpdating your operating system Installing other operating systemsCompleting important tasks Updating your antivirus softwareUser Guide Installing options FeaturesVideo subsystem Operating systems preinstalled varies by model type Weight SpecificationsDimensions EnvironmentAvailable options Tools requiredInstalling external options Handling static-sensitive devicesLocating 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 board Installing options User Guide Installing memory What to do nextInstalling adapters What to do next Installing internal drives Drive specificationsInstalling options Installing a drive in bay 1 or bay Installing options Connecting drives Connecting the first optical driveConnecting a serial ATA hard disk drive Installing security featuresIntegrated cable lock Padlock Password protectionChanging the battery Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Recovering software Creating and using the Product Recovery discPerforming backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media Creating and using a Recovery Repair diskette To create rescue media, do the followingRecovering or installing device drivers Setting a rescue device in the startup sequence Solving recovery problemsUser Guide Viewing and changing settings Using the Setup UtilityStarting the Setup Utility program Using passwordsSetting, changing, and deleting a password User PasswordAdministrator Password Using Security Profile by DeviceChanging the startup device sequence Selecting a startup deviceSelecting a temporary startup device Advanced settings Exiting from the Setup Utility programUpdating system programs Using system programsUpdating flashing Bios from a diskette User Guide Symptom Action Troubleshooting and diagnosticsBasic troubleshooting Diagnostic programs PC-Doctor for Windows PC-Doctor for DOSRunning diagnostics from the CD or diskettes Optical mouse Cleaning the mousePC-Doctor for Windows PE Non-optical mouse1 Retainer ring 2 Ball 3 Plastic rollers 4 Ball cage Online Books folder Getting information, help, and serviceInformation resources ThinkVantage Productivity CenterHelp and service Access HelpSafety and warranty Using the documentation and diagnostic programs Calling for serviceUsing other services Purchasing additional servicesAppendix A. 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 A. Manual modem commands User Guide Appendix B. Notices Television output notice TrademarksIndex Page Page Part Number