Manuals / Lenovo / Computer Equipment / Personal Computer

Lenovo 3157, 7339 Replacement power cords, For power cord information and part numbers, go to

Models: 3140 3176 3157 3134 3132 3154 3143 3147 3171 3167 5033 5039 7339

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Replacement power cords

If you relocate your computer to a country or region that uses an electrical outlet style different from the type you are currently using, you will have to purchase either electrical plug adapters or new power cords. You can order power cords directly from Lenovo.

For power cord information and part numbers, go to:

http://www.lenovo.com/powercordnotice

24ThinkCentre User Guide

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Lenovo 3157, 7339, 5039, 5033, 3167, 3171, 3147 Replacement power cords, For power cord information and part numbers, go to

Contents

ThinkCentre User Guide First Edition June Copyright Lenovo Contents Important safety informationChapter 2. Using your computer Chapter 5. Installing or replacingChapter 6. Recovery information Electronic emissions notices Federal Communications CommissionDeclaration of Conformity Additional regulatory informationiv ThinkCentre User Guide Important safety information Service and upgradesStatic electricity prevention Hazardous moving parts. Keep fingers and other body parts awayPower cords and power adapters Extension cords and related devicesPlugs and outlets External devicesHeat and product ventilation Modem safety information Operating environmentPower supply statement Cleaning and maintenanceLaser compliance statement DANGERx ThinkCentre User Guide Features Chapter 1. Product overviewSystem management features MicroprocessorInput/Output I/O features ExpansionPower supply Security featuresPreinstalled software programs Preinstalled operating systemSpecifications Software overviewSoftware provided by Lenovo Product Recovery ThinkVantage Client Security SolutionLenovo ThinkVantage Tools Lenovo WelcomeThinkVantage Password Manager ThinkVantage Power ManagerThinkVantage Rescue and Recovery ThinkVantage System UpdateAntivirus software LocationsOptical drive eject/close button Power switch Hard disk drive activity indicator Power indicatorLocating connectors on the rear of your computer ConnectorDescription Connector DescriptionLocating components Locating parts on the system board Locating internal drives Machine type and model label The following is a sample of the machine type and model label14 ThinkCentre User Guide Chapter 2. Using your computer Frequently asked questionsUsing the keyboard Using Windows shortcut keysUsing the blue ThinkVantage button Using a fingerprint readerUsing the wheel mouse Adjusting audio Setting the volume from the desktopSetting the volume from Control Panel About your computer audioUsing CDs and DVDs Handling and storing CD and DVD mediaPlaying a CD or DVD Recording a CD or DVD 1. Click Start All Programs Corel DVD MovieFactory Lenovo Edition20 ThinkCentre User Guide Accessibility and comfort Chapter 3. You and your computerArranging your workspace ComfortGlare and lighting Air circulationElectrical outlets and cable lengths Voltage-selection switch Register your computer with LenovoMoving your computer to another country or region Replacement power cords For power cord information and part numbers, go toSecurity features Chapter 4. SecurityLocking the computer cover Figure 7. Installing a padlockUsing passwords BIOS passwordsAttaching an integrated cable lock Figure 8. Integrated cable lockWindows passwords Configuring the fingerprint readerUsing and understanding firewalls Protecting data against virusesChapter 4. Security 30 ThinkCentre User Guide Chapter 5. Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devicesRemoving and reinstalling the front bezel Removing the computer coverWhat to do next Accessing the system board components and drives Figure 12. Pivoting the drive bay assembly upwardInstalling or replacing a memory module Figure 13. Lowering the drive bay assemblyFigure 14. Removing a memory module Figure 15. Opening the retaining clips36 ThinkCentre User Guide Installing or replacing a PCI card Figure 16. Installing a memory moduleWhat to do next as shown to Replacing the battery Figure 18. Installing a PCI cardWhat to do next Replacing the hard disk drive Figure 19. Removing the old batteryFigure 20. Installing a new battery What to do next4. Note the location of the four screws assembly upward Installing or replacing the optical drive Figure 23. Connecting a SATA hard disk driveFigure 24. Installing the hard disk drive What to do nextFigure 25. Removing the optical drive screws 7. Press the drive bay assembly clip inward and pivot the drive bay assembly downward as shownFigure 26. Lowering the drive bay assembly 8. Slide the optical drive out of the front of the computerFigure 28. Installing a new optical drive Figure 29. Installing the optical driveReplacing the heat sink and fan assembly Figure 30. Connecting a SATA optical driveWhat to do next Figure 31. Removing the heat sink fan duct a. Partially remove screw b. Partially remove screw Replacing the power supply assembly Figure 33. Installing the heat sink fan ductWhat to do next Hazardous moving parts. Keep fingers and other body parts awayFigure 34. Removing the heat sink fan duct 50 ThinkCentre User GuideFigure 35. Removing the power supply assembly Note Use only screws provided by Lenovo Replacing the microprocessor Figure 37. Installing the heat sink fan ductWhat to do next Figure 38. Accessing the microprocessor Figure 39. Removing the microprocessor54 ThinkCentre User Guide 13. Reconnect all cables that were disconnected from the system board Replacing the front audio and USB assembly Figure 41. Removing the front audio and USB assemblyWhat to do next Replacing the system fan assembly What to do nextFigure 42. Removing the system fan assembly Figure 43. Installing the system fan assembly58 ThinkCentre User Guide Replacing the keyboard Replacing the mouseFigure 44. Keyboard connectors What to do nextCompleting the parts replacement Figure 45. Mouse connectorsWhat to do next Obtaining device drivers Figure 46. Reinstalling the computer cover62 ThinkCentre User Guide Chapter 6. Recovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operationsPerforming a backup operation Performing a recovery operation Using the Rescue and Recovery workspace3. Click the Restore your system from a backup icon 3. Click the Restore your system from a backup iconCreating and using a rescue medium Creating a rescue medium66 ThinkCentre User Guide Using a rescue medium Reinstalling preinstalled applications and device driversReinstalling preinstalled applications Reinstalling software programs Reinstalling preinstalled device driversReinstalling device drivers Solving recovery problems70 ThinkCentre User Guide Chapter 7. Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Using passwordsPassword considerations Power-On PasswordAdministrator Password Hard Disk PasswordErasing lost or forgotten passwords clearing CMOS Enabling or disabling a deviceUSB Setup SATA ControllerEnabling ErP compliance mode Selecting a startup deviceSelecting a temporary startup device Selecting or changing the startup device sequenceExiting the Setup Utility program 76 ThinkCentre User Guide Using system programs Updating flashing the BIOS from a discChapter 8. Updating system programs Updating flashing the BIOS from your operating system Recovering from a POST/BIOS update failurea. Click Download & Drivers e. Click Continue14. Turn on the computer to restart the operating system Chapter 8. Updating system programs80 ThinkCentre User Guide Chapter 9. Preventing problems Using System UpdateKeeping your computer current Getting the latest device drivers for your computerBasics Cleaning and maintenance1. Click Start All Programs ThinkVantage 2. Click System Update 2. Double-click Update and DriversCleaning your computer ComputerKeyboard Optical mouseGood maintenance practices Moving your computerCleaning a flat-panel monitor surface Cleaning a glass-screen surface4. Unplug the power cords from electrical outlets 86 ThinkCentre User Guide Chapter 10. Troubleshooting and diagnostics Basic troubleshootingTroubleshooting procedure TroubleshootingSystem System Protection System Restore Audio problems No audio in WindowsCD problems Sound comes from one external speaker onlyNo audio in DOS applications or games DVD problems A CD or DVD does not workBlack screen instead of DVD video DVD movie will not play No audio or intermittent audio while playing DVD moviePlayback is very slow or choppy Invalid disc or no disc found messageIntermittent problems Keyboard, mouse, or pointing device problemsAll or some keys on the keyboard do not work 1. Click Start Control Panel 2. Click Hardware and SoundThe wireless keyboard does not work The mouse or pointing device does not workThe pointer on the screen does not move smoothly with the mouse The fingerprint reader does not workMonitor problems Wrong characters appear on the screenNetworking problems The image appears to be flickeringThe image is discolored Ethernet problems The Wake on LAN feature is not workingYour computer cannot connect to the network 1. Click Start Control Panel 2. Click Hardware and SoundA wireless LAN problem A wireless WAN problemBluetooth problems 98 ThinkCentre User GuideOption problems An option that was just installed does not workSound does not come from the Bluetooth headphone 3. Click Hardware and Sound SoundPerformance and lockup problems An option that previously worked does not work nowInsufficient free hard disk drive space 3. Click Disk CleanupExcessive number of fragmented files 3. Click Turn Windows features on or off3. Click Disk Cleanup 4. Select Files from all users on this computer 7. In the Programs and Features area, click the Clean up buttonPrinter problems Insufficient memory2. Click Start Computer 2. Click Start ComputerSerial port problems Software problemsWhen using a sort feature, dates do not sort in the correct order Software does not work as expectedUSB problems Diagnostic programsCreating a diagnostic disc Running the diagnostic program from a diagnostic discLenovo ThinkVantage Toolbox PC-Doctor for DOS106 ThinkCentre User Guide Chapter 11. Getting information, help, and service Safety and WarrantyInformation resources Lenovo ThinkVantage ToolsHelp and service Using the documentation and diagnostic programsCalling for service Lenovo Support Web siteUsing other services Purchasing additional services110 ThinkCentre User Guide Appendix A. Notices Lenovo United States, Inc 1009 Think Place - Building OneMorrisville, NC U.S.A Attention Lenovo Director of Licensing Trademarks Appendix B. Regulatory information Export classification noticeTelevision output notice Electronic emissions noticesIndustry Canada Class B emission compliance statement German Class B compliance statement Deutschsprachiger EU HinweisDeutschland Additional regulatory information Lenovo product service information for TaiwanKorea Class B compliance statement Japanese VCCI Class B statement Keyboard and mouse compliance statement for Taiwan116 ThinkCentre User Guide Appendix C. WEEE and recycling statements Important information for the European Directive 2002/96/ECRecycling information EU OnlyCollecting and recycling a disused Lenovo computer or monitor Index Lenovo ThinkVantage Toolbox Page 122 ThinkCentre User Guide Page 0B02835 Part Number 0B02835 Printed in USA 1P P/N 0B02835