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Lenovo 1782, 1938, 1962, 1942, 1837, 1739, 1762, 1665, 1738, 1664, 1763, 1741, 1677, 1761, 1654 manual 0B03427

Models: 1677 1938 1741 1664 1739 1665 1762 1761 1782 1942 1837 1738 1962 1654 1763

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Lenovo 1782, 1938, 1962, 1942, 1837, 1739, 1762, 1665, 1738, 1664, 1763, 1741, 1677, 1761, 1654 manual 0B03427

Contents

ThinkCentre User Guide Second Edition October Copyright Lenovo Contents Appendix A. Notices Service and upgrades Important safety informationStatic electricity prevention Power cords and power adapters Extension cords and related devicesExternal devices Plugs and outletsHeat and product ventilation Modem safety information Operating environmentCleaning and maintenance Power supply statementLaser compliance statement Viii ThinkCentre User Guide Features Product overviewInput/Output I/O features System management featuresColor temperature adjustment Power supplyPreinstalled software programs Preinstalled operating systemSoftware overview SpecificationsSoftware provided by Lenovo Lenovo ThinkVantage Tools Product RecoveryThinkVantage Password Manager Lenovo WelcomeAdobe Reader Antivirus software Locations Front connector, control, and indicator locations Locating connectors on the rear of your computer Rear connector locationsAdjusting the computer stand Connector DescriptionMachine type and model label Machine type and model labelThinkCentre User Guide Using the keyboard Using your computerFrequently asked questions Using Windows shortcut keysUsing the wheel mouse Using the blue ThinkVantage buttonUsing a fingerprint reader Adjusting audioUsing CDs and DVDs Setting the volume from the desktopSetting the volume from Control Panel Adding the volume icon to the taskbarPlaying a CD or DVD Handling and storing CD and DVD mediaRecording a CD or DVD Using the single-touch feature Using the single-touch and multi-touch featureColor temperature adjustment Using the multi-touch featureMaking brightness adjustment Selecting a pre-defined color temperatureSwitching to RGB adjustment Red-adjustment Green-adjustment Blue-adjustment ExitUsing your computer ThinkCentre User Guide Arranging your workspace Accessibility and comfortYou and your computer ComfortAir circulation Glare and lightingElectrical outlets and cable lengths Register your computer with Lenovo Voltage-selection switchReplacement power cords Moving your computer to another country or regionThinkCentre User Guide Security features SecurityBios passwords Using passwordsAttaching an integrated cable lock Using and understanding firewalls Windows passwordsSetting the fingerprint reader Protecting data against virusesThinkCentre User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Replacing the wireless keyboard Replacing the wireless mouseOpening the battery compartment Closing the battery compartment cover Obtaining device driversCreating and using recovery media Recovery informationCreating recovery media Performing backup and recovery operations Using recovery mediaPerforming a backup operation Using the Rescue and Recovery workspace Performing a recovery operationClick the Restore your system from a backup icon Using a rescue medium Creating and using a rescue mediumCreating a rescue medium Reinstalling preinstalled applications Reinstalling preinstalled applications and device driversReinstalling preinstalled device drivers Reinstalling device drivers Reinstalling software programsSolving recovery problems Recovery information ThinkCentre User Guide Starting the Setup Utility program Using the Setup Utility programViewing and changing settings Administrator Password Password considerationsPower-On Password Hard Disk PasswordSelecting a temporary startup device Enabling or disabling a deviceSelecting a startup device Selecting or changing the startup device sequenceExiting from the Setup Utility program Updating flashing the Bios from a disc Using system programsUpdating system programs Updating flashing the Bios from your operating system Click Downloads and driversKeeping your computer current Preventing problemsUsing System Update Getting the latest device drivers for your computerCleaning and maintenance BasicsKeyboard Cleaning your computerComputer Optical mouseCleaning a glass-screen surface Good maintenance practicesMoving your computer Troubleshooting and diagnostics Basic troubleshootingTroubleshooting procedure TroubleshootingAudio problems No audio in WindowsSound comes from one external speaker only CD problemsNo audio in DOS applications or games CD or DVD does not work DVD problemsBlack screen instead of DVD video Playback is very slow or choppy DVD movie will not playNo audio or intermittent audio while playing DVD movie Invalid disc or no disc found messageKeyboard, mouse, or pointing device problems Intermittent problemsAll or some keys on the keyboard do not work Pointer on the screen does not move smoothly with the mouse Wireless keyboard does not workMouse or pointing device does not work Fingerprint reader does not workWrong characters appear on the screen Monitor problemsImage appears to be flickering Ethernet problems Networking problemsImage is discolored Click Start Control Panel Click Hardware and Sound Wake on LAN feature is not workingYour computer cannot connect to the network Adapter stops working for no apparent reasonWireless WAN problem Wireless LAN problemBluetooth problems Sound does not come from the Bluetooth headphone Option problemsAn option that was just installed does not work An option that previously worked does not work nowInsufficient free hard disk drive space Performance and lockup problemsClick Disk Cleanup Click Start ComputerSerial port problems Printer problemsExcessive number of fragmented files Software problems Software does not work as expectedUSB problems Diagnostic programsLenovo ThinkVantage Toolbox Creating a diagnostic discRunning the diagnostic program from a diagnostic disc PC-Doctor for DOSGetting information, help, and service Calling for service Help and serviceUsing the documentation and diagnostic programs Lenovo Support Web siteUsing other services Purchasing additional servicesThinkCentre User Guide Appendix A. Notices Trademarks Television output notice Appendix B. Regulatory informationExport classification notice Electronic emissions noticesIndustry Canada Class B emission compliance statement Additional regulatory information ThinkCentre User Guide Important information for the European Directive 2002/96/EC Appendix C. Weee and recycling informationRecycling information ThinkCentre User Guide Index Optical mouse cleaning Password Administrator Considerations Page 0B03427