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Lenovo M73 manual Replacing the heat sink and fan assembly, What to do next

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Figure 36. Installing the optical drive

10.Hold the new optical drive and pivot the drive bay assembly upward. Align the screw holes in the new optical drive with the corresponding holes in the drive bay. Then, install the two screws to secure the new optical drive in place.

Figure 36. Installing the optical drive

11.Connect one end of the signal cable to the rear of the new optical drive and the other end to an available SATA connector on the system board. See “Locating parts on the system board” on page 13. Then, locate an available four-wire power connector and connect it to the rear of the new optical drive.

Figure 37. Connecting a SATA optical drive

What to do next:

•To work with another piece of hardware, go to the appropriate section.

•To complete the installation or replacement, go to “Completing the parts replacement” on page 79.

Replacing the heat sink and fan assembly

Attention:

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v.

This section provides instructions on how to replace the heat sink and fan assembly.

56ThinkCentre M73 User Guide

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Lenovo M73 manual Replacing the heat sink and fan assembly, What to do next, Installing the optical drive

Contents

ThinkCentre M73 User Guide Machine Types 10B4, 10B5, 10B6, and 10B7Second Edition November Copyright Lenovo Contents Important safety informationChapter 2. Using your computer Chapter 5. Installing or replacingChapter 6. Recovery information Appendix A. Notices iv ThinkCentre M73 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 devicesHeat and product ventilation Plugs and outletsExternal devices Modem safety information Operating environmentPower supply statement Cleaning and maintenanceLaser compliance statement DANGERx ThinkCentre M73 User Guide Features Chapter 1. Product overviewMicroprocessor MemorySystem management features ConnectivityInput/Output I/O features Power supplySecurity features Preinstalled software programsPreinstalled operating system Lenovo programs SpecificationsAccessing Lenovo programs on the Windows 7 operating system Accessing Lenovo programs from the Lenovo ThinkVantage Tools program Accessing Lenovo programs from Control PanelTable 1. Programs in the Lenovo ThinkVantage Tools program Table 2. Programs in Control PanelFingerprint Software An introduction to Lenovo programsCommunications Utility Lenovo Settings Lenovo Solution CenterPassword Manager Power ManagerView Management Utility LocationsSystem Update Locating connectors on the rear of your computer Figure 2. Rear connector locationsConnector DescriptionConnector DescriptionLocating components Figure 3. Component locationsLocating parts on the system board Figure 4. System board part locationsLocating internal drives Figure 5. Drive bay locationsFigure 6. Machine type and model label Machine type and model labelThe following is a sample of the machine type and model label 16 ThinkCentre M73 User Guide Chapter 2. Using your computer Frequently asked questionsWhere are my recovery discs? Where can I find help about the Windows operating system?Navigating on Windows Chapter 2. Using your computer Navigating on Windows2. Click Settings 3. Click Control Panel 20 ThinkCentre M73 User GuideUsing a fingerprint reader Using the keyboardUsing Windows shortcut keys Using the wheel mouse Adjusting audioSetting the volume from the desktop About your computer audioSetting the volume from Control Panel Using CDs and DVDs2. In the Sound section, click Adjust system volume In the Taskbar section, click Customize icons on the taskbarRecording a CD or DVD Handling and storing CD and DVD mediaPlaying a CD or DVD Page 26 ThinkCentre M73 User Guide Accessibility and comfort Chapter 3. You and your computerArranging your workspace ComfortElectrical outlets and cable lengths Glare and lightingAir circulation Moving your computer to another country or region Voltage-selection switchRegistering your computer 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 a Kensington-style cable lock Figure 8. Kensington-style cable lockWindows passwords Configuring the fingerprint readerUsing and understanding firewalls Protecting data against virusesChapter 4. Security 36 ThinkCentre M73 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 assembly42 ThinkCentre M73 User Guide Figure 14. Removing a memory moduleFigure 15. Opening the retaining clips What to do next Installing or replacing a PCI Express cardFigure 16. Installing a memory module as shown to What to do next Replacing the batteryFigure 18. Installing a PCI Express card Replacing the hard disk drive Figure 19. Removing the old batteryFigure 20. Installing a new battery What to do nextFigure 21. Pivoting the drive bay assembly Figure 22. Removing the hard disk driveReplacing the solid-state drive Figure 23. Connecting a SATA hard disk driveFigure 24. Installing the hard disk drive What to do nextReplacing the solid-state drive in the hard disk drive bay Figure 25. Removing the solid-state drive from the storage converter50 ThinkCentre M73 User Guide Figure 27. Removing the solid-state drive bracket Figure 28. Removing the solid-state drive from the bracket9. Slide the new solid-state drive into the solid-state drive bracket as shown until the four holes in the drive are aligned with the corresponding holes in the bracket. Then, install the four screws to secure the new solid-state drive to the bracket Installing or replacing the optical drive What to do next7. Slightly press the drive bay assembly clip shown inward and pivot the drive bay assembly downward asFigure 33. Lowering the drive bay assembly Figure 32. Removing the optical drive screwsFigure 34. Removing the optical drive Figure 35. Installing a new optical drive8. Slide the optical drive out of the front of the computer Replacing the heat sink and fan assembly Figure 36. Installing the optical driveFigure 37. Connecting a SATA optical drive What to do nextFigure 38. Removing the heat sink fan duct a. Partially remove screw b. Partially remove screw Replacing the power supply assembly Figure 40. Installing the heat sink fan ductWhat to do next Hazardous moving parts. Keep fingers and other body parts awayFigure 41. Removing the heat sink fan duct 60 ThinkCentre M73 User GuideFigure 42. Removing the power supply assembly Note Use only screws provided by Lenovo What to do next Replacing the microprocessorFigure 44. Installing the heat sink fan duct 64 ThinkCentre M73 User Guide Figure 45. Accessing the microprocessorFigure 46. Removing the microprocessor What to do next Replacing the front audio and USB assemblyFigure 47. Installing the microprocessor What to do next Replacing the system fan assemblyFigure 48. Removing the front audio and USB assembly Figure 49. Removing the system fan assembly What to do next Replacing the WiFi unitsFigure 50. Installing the system fan assembly Removing the WiFi adapter card Figure 51. Disconnecting the Bluetooth cableRemoving the WiFi card module Installing the WiFi units 72 ThinkCentre M73 User Guide Figure 56. Installing the WiFi card moduleFigure 57. Connecting the WiFi antenna cables What to do next Installing or removing the rear WiFi antennaInstalling the rear WiFi antenna Removing the rear WiFi antenna Figure 59. Installing the rear WiFi antennaFigure 60. Removing the rear WiFi antenna What to do nextInstalling or removing the front WiFi antenna Installing the front WiFi antennaWhat to do next Removing the front WiFi antennaFigure 62. Installing the front WiFi antenna What to do next Replacing the keyboardFigure 63. Removing the front WiFi antenna Replacing the mouse Figure 64. Keyboard connectorsFigure 65. Mouse connectors What to do nextCompleting the parts replacement Figure 66. Reinstalling the computer coverObtaining device drivers 80 ThinkCentre M73 User GuideCreating and using recovery media Chapter 6. Recovery informationRecovery information for the Windows 7 operating system Performing backup and recovery operations Creating recovery mediaUsing recovery media Performing a backup operation3. Click the Restore your system from a backup icon Using the Rescue and Recovery workspacePerforming a recovery operation Creating a rescue medium Creating and using a rescue mediumUsing a rescue medium Reinstalling preinstalled device drivers Reinstalling preinstalled applications and device driversReinstalling preinstalled applications Reinstalling software programs Reinstalling device driversSolving recovery problems 86 ThinkCentre M73 User GuideRefreshing your computer Resetting your computer to the factory default settingsUsing the advanced startup options 88 ThinkCentre M73 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 sequenceICE performance mode ICE thermal alertBetter Acoustic Performance default setting DisabledExiting from the Setup Utility program 94 ThinkCentre M73 User GuideChapter 8. Updating system programs Using system programsUpdating flashing the BIOS from a disc 2. Click Download Drivers & Software 3. Click Use Quick Path Updating flashing the BIOS from your operating systemRecovering from a POST/BIOS update failure Chapter 9. Preventing problems Keeping your computer currentGetting the latest device drivers for your computer Updating your operating systemUsing System Update BasicsCleaning and maintenance “Basics” on page “Cleaning your computer” on page “Computer” on pageCleaning your computer ComputerKeyboard Optical mouseCleaning a glass-screen surface Good maintenance practicesMoving your computer Chapter 10. Troubleshooting and diagnostics Basic troubleshooting102 ThinkCentre M73 User Guide Troubleshooting procedureTroubleshooting Audio problems No audio in WindowsNo audio in DOS applications or games CD problemsSound comes from one external speaker only Black screen instead of DVD video DVD problemsA CD or DVD does not work 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 screenThe image is discolored Networking problemsThe image appears to be flickering Ethernet problems Your computer cannot connect to the network1. Click Start Control Panel 2. Click Hardware and Sound 2. Click Hardware and SoundThe adapter stops working for no apparent reason A wireless LAN problemThe Wake on LAN feature is not working Option problems A wireless WAN problemBluetooth problem An option that was just installed does not workPerformance and lockup problems Insufficient free hard disk drive space3. Click Disk Cleanup 1. Click Start ComputerExcessive number of fragmented files 2. Click Programs 3. Click Turn Windows features on or off3. Click Disk Cleanup 4. Click Clean up system files 6. In the Programs and Features area, click the Clean up buttonInsufficient memory Printer problemsSerial port problems Software does not work as expected Software problemsWhen using a sort feature, dates do not sort in the correct order 118 ThinkCentre M73 User Guide USB problemsLenovo Solution Center Chapter 11. Getting information, help, and service Safety and WarrantyInformation resources Lenovo ThinkVantage ToolsHelp and service Using the documentation and diagnostic programCalling for service Lenovo Support Web siteUsing other services Purchasing additional services122 ThinkCentre M73 User Guide Morrisville, NC U.S.A Attention Lenovo Director of Licensing Appendix A. NoticesLenovo United States, Inc 1009 Think Place - Building One Trademarks Appendix B. Regulatory information Export classification noticeTelevision output notice Electronic emissions noticesDeutschland Industry Canada Class B emission compliance statementGerman Class B compliance statement Deutschsprachiger EU Hinweis Eurasian compliance mark Additional regulatory information Lenovo product service information for TaiwanJapan VCCI Class B compliance statement Keyboard and mouse compliance statement for Taiwan128 ThinkCentre M73 User Guide Recycling information for Japan Appendix C. WEEE and recycling informationImportant WEEE information Battery recycling information for Taiwan Battery recycling information for the European UnionRecycling information for Brazil Declarações de Reciclagem no BrasilAppendix C. WEEE and recycling information 132 ThinkCentre M73 User Guide China RoHS Turkish RoHS Appendix D. Restriction of Hazardous Substances Directive RoHSEuropean Union RoHS Ukraine RoHS India RoHS RoHS compliant as per E-Waste Management & Handling RulesAppendix E. China Energy Label Copyright Lenovo136 ThinkCentre M73 User Guide Appendix F. ENERGY STAR model information 138 ThinkCentre M73 User Guide Index Page flashing the BIOS 142 ThinkCentre M73 User Guide