Lenovo 1761, 1938, 1962, 1942, 1837 Preinstalled software programs, Preinstalled operating system

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•Cover presence switch (also called intrusion switch)

•Ability to enable or disable a device

•Ability to enable and disable USB connectors individually

•Keyboard with fingerprint reader (shipped with some models)

•Power-on password (POP), administrator password, and hard disk drive password to deter unauthorized use of your computer

•Startup sequence control

•Startup without keyboard or mouse

•Support for an integrated cable lock (Kensington lock)

•Trusted Platform Module (TPM)

For more information, see Chapter 4 “Security” on page 25.

Preinstalled software programs

Your computer is preinstalled with software programs to help you work more easily and securely. For more information, see “Software overview” on page 4.

Preinstalled operating system

Your computer is preinstalled with the Microsoft® Windows® 7 operating system.

Operating system(s), certified or tested for compatibility1 (varies by model type)

•Linux®

•Microsoft Windows XP Professional SP 3

1.The operating system(s) listed here are being certified or tested for compatibility at the time this publication goes to press. Additional operating systems might be identified by Lenovo as compatible with your computer following the publication of this manual. This list is subject to change. To determine if an operating system has been certified or tested for compatibility, check the Web site of the operating system vendor.

Chapter 1. Product overview 3

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Contents ThinkCentre User Guide Second Edition October Copyright Lenovo Contents Appendix A. Notices Service and upgrades Important safety informationStatic electricity prevention Extension cords and related devices Power cords and power adaptersExternal devices Plugs and outletsHeat and product ventilation Operating environment Modem safety informationCleaning and maintenance Power supply statementLaser compliance statement Viii ThinkCentre User Guide Product overview FeaturesColor temperature adjustment System management featuresInput/Output I/O features Power supplyPreinstalled operating system Preinstalled software programsSoftware overview SpecificationsSoftware provided by Lenovo ThinkVantage Password Manager Product RecoveryLenovo ThinkVantage Tools Lenovo WelcomeAdobe Reader Antivirus software Locations Front connector, control, and indicator locations Rear connector locations Locating connectors on the rear of your computerConnector Description Adjusting the computer standMachine type and model label Machine type and model labelThinkCentre User Guide Frequently asked questions Using your computerUsing the keyboard Using Windows shortcut keysUsing a fingerprint reader Using the blue ThinkVantage buttonUsing the wheel mouse Adjusting audioSetting the volume from Control Panel Setting the volume from the desktopUsing CDs and DVDs Adding the volume icon to the taskbarPlaying a CD or DVD Handling and storing CD and DVD mediaRecording a CD or DVD Color temperature adjustment Using the single-touch and multi-touch featureUsing the single-touch feature Using the multi-touch featureSwitching to RGB adjustment Selecting a pre-defined color temperatureMaking brightness adjustment Red-adjustment Green-adjustment Blue-adjustment ExitUsing your computer ThinkCentre User Guide You and your computer Accessibility and comfortArranging your workspace ComfortAir circulation Glare and lightingElectrical outlets and cable lengths Replacement power cords Voltage-selection switchRegister your computer with Lenovo Moving your computer to another country or regionThinkCentre User Guide Security Security featuresBios passwords Using passwordsAttaching an integrated cable lock Setting the fingerprint reader Windows passwordsUsing and understanding firewalls Protecting data against virusesThinkCentre User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Replacing the wireless mouse Replacing the wireless keyboardOpening the battery compartment Obtaining device drivers Closing the battery compartment coverCreating 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 Power-On Password Password considerationsAdministrator Password Hard Disk PasswordSelecting a startup device Enabling or disabling a deviceSelecting a temporary 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 Click Downloads and drivers Updating flashing the Bios from your operating systemUsing System Update Preventing problemsKeeping your computer current Getting the latest device drivers for your computerBasics Computer Cleaning your computerKeyboard Optical mouseCleaning a glass-screen surface Good maintenance practicesMoving your computer Basic troubleshooting Troubleshooting and diagnosticsTroubleshooting Troubleshooting procedureNo audio in Windows Audio problemsSound 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 No audio or intermittent audio while playing DVD movie DVD movie will not playPlayback is very slow or choppy Invalid disc or no disc found messageKeyboard, mouse, or pointing device problems Intermittent problemsAll or some keys on the keyboard do not work Mouse or pointing device does not work Wireless keyboard does not workPointer on the screen does not move smoothly with the mouse Fingerprint reader does not workWrong characters appear on the screen Monitor problemsImage appears to be flickering Ethernet problems Networking problemsImage is discolored Your computer cannot connect to the network Wake on LAN feature is not workingClick Start Control Panel Click Hardware and Sound Adapter stops working for no apparent reasonWireless WAN problem Wireless LAN problemBluetooth problems An option that was just installed does not work Option problemsSound does not come from the Bluetooth headphone An option that previously worked does not work nowClick Disk Cleanup Performance and lockup problemsInsufficient free hard disk drive space Click Start ComputerSerial port problems Printer problemsExcessive number of fragmented files Software does not work as expected Software problemsDiagnostic programs USB problemsRunning the diagnostic program from a diagnostic disc Creating a diagnostic discLenovo ThinkVantage Toolbox PC-Doctor for DOSGetting information, help, and service Using the documentation and diagnostic programs Help and serviceCalling for service Lenovo Support Web sitePurchasing additional services Using other servicesThinkCentre User Guide Appendix A. Notices Trademarks Export classification notice Appendix B. Regulatory informationTelevision output 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