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Lenovo M73 manual Removing the power supply assembly

Models: M73

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6.At the rear of the computer, remove the three screws that secure the power supply assembly. Press the power supply clip 1 downward to release the power supply assembly and then slide the power supply assembly to the front of the computer. Lift the power supply assembly out of the computer.

Figure 42. Removing the power supply assembly

7. Make sure that the new power supply assembly is the correct replacement.

Chapter 5. Installing or replacing hardware 61

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Lenovo M73 manual Removing the power supply assembly

Contents

Machine Types 10B4, 10B5, 10B6, and 10B7 ThinkCentre M73 User GuideSecond Edition November Copyright Lenovo Important safety information ContentsChapter 2. Using your computer Chapter 5. Installing or replacingChapter 6. Recovery information Appendix A. Notices iv ThinkCentre M73 User Guide Service and upgrades Important safety informationStatic electricity prevention Hazardous moving parts. Keep fingers and other body parts awayExtension 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 DANGERx ThinkCentre M73 User Guide Chapter 1. Product overview FeaturesMicroprocessor MemoryConnectivity System management featuresPower supply Input/Output I/O featuresSecurity features Preinstalled software programsPreinstalled operating system Accessing Lenovo programs on the Windows 7 operating system SpecificationsLenovo programs Accessing Lenovo programs from Control Panel Accessing Lenovo programs from the Lenovo ThinkVantage Tools programTable 1. Programs in the Lenovo ThinkVantage Tools program Table 2. Programs in Control PanelCommunications Utility An introduction to Lenovo programsFingerprint Software Lenovo Solution Center Lenovo SettingsPassword Manager Power ManagerSystem Update LocationsView Management Utility Figure 2. Rear connector locations Locating connectors on the rear of your computerConnector DescriptionDescription ConnectorFigure 3. Component locations Locating componentsFigure 4. System board part locations Locating parts on the system boardFigure 5. Drive bay locations Locating internal drivesThe following is a sample of the machine type and model label Machine type and model labelFigure 6. Machine type and model label 16 ThinkCentre M73 User Guide Frequently asked questions Chapter 2. Using your computerWhere are my recovery discs? Where can I find help about the Windows operating system?Navigating on Windows Navigating on Windows Chapter 2. Using your computer20 ThinkCentre M73 User Guide 2. Click Settings 3. Click Control PanelUsing Windows shortcut keys Using the keyboardUsing a fingerprint reader Adjusting audio Using the wheel mouseSetting the volume from the desktop About your computer audioUsing CDs and DVDs Setting the volume from Control Panel2. In the Sound section, click Adjust system volume In the Taskbar section, click Customize icons on the taskbarPlaying a CD or DVD Handling and storing CD and DVD mediaRecording a CD or DVD Page 26 ThinkCentre M73 User Guide Chapter 3. You and your computer Accessibility and comfortArranging your workspace ComfortAir circulation Glare and lightingElectrical outlets and cable lengths Registering your computer Voltage-selection switchMoving your computer to another country or region For power cord information and part numbers, go to Replacement power cordsChapter 4. Security Security featuresFigure 7. Installing a padlock Locking the computer coverBIOS passwords Using passwordsAttaching a Kensington-style cable lock Figure 8. Kensington-style cable lockConfiguring the fingerprint reader Windows passwordsUsing and understanding firewalls Protecting data against virusesChapter 4. Security 36 ThinkCentre M73 User Guide Installing or replacing hardware Chapter 5. Installing or replacing hardwareInstalling external options Handling static-sensitive devicesRemoving the computer cover Removing and reinstalling the front bezelWhat to do next Figure 12. Pivoting the drive bay assembly upward Accessing the system board components and drivesFigure 13. Lowering the drive bay assembly Installing or replacing a memory moduleFigure 15. Opening the retaining clips Figure 14. Removing a memory module42 ThinkCentre M73 User Guide Figure 16. Installing a memory module Installing or replacing a PCI Express cardWhat to do next as shown to Figure 18. Installing a PCI Express card Replacing the batteryWhat to do next Figure 19. Removing the old battery Replacing the hard disk driveFigure 20. Installing a new battery What to do nextFigure 22. Removing the hard disk drive Figure 21. Pivoting the drive bay assemblyFigure 23. Connecting a SATA hard disk drive Replacing the solid-state driveFigure 24. Installing the hard disk drive What to do nextFigure 25. Removing the solid-state drive from the storage converter Replacing the solid-state drive in the hard disk drive bay50 ThinkCentre M73 User Guide Figure 28. Removing the solid-state drive from the bracket Figure 27. Removing the solid-state drive 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 What to do next Installing or replacing the optical driveinward and pivot the drive bay assembly downward as 7. Slightly press the drive bay assembly clip shownFigure 33. Lowering the drive bay assembly Figure 32. Removing the optical drive screws8. Slide the optical drive out of the front of the computer Figure 35. Installing a new optical driveFigure 34. Removing the optical drive Figure 36. Installing the optical drive Replacing the heat sink and fan assemblyFigure 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 Figure 40. Installing the heat sink fan duct Replacing the power supply assemblyWhat to do next Hazardous moving parts. Keep fingers and other body parts away60 ThinkCentre M73 User Guide Figure 41. Removing the heat sink fan ductFigure 42. Removing the power supply assembly Note Use only screws provided by Lenovo Figure 44. Installing the heat sink fan duct Replacing the microprocessorWhat to do next Figure 46. Removing the microprocessor Figure 45. Accessing the microprocessor64 ThinkCentre M73 User Guide Figure 47. Installing the microprocessor Replacing the front audio and USB assemblyWhat to do next Figure 48. Removing the front audio and USB assembly Replacing the system fan assemblyWhat to do next Figure 49. Removing the system fan assembly Figure 50. Installing the system fan assembly Replacing the WiFi unitsWhat to do next Figure 51. Disconnecting the Bluetooth cable Removing the WiFi adapter cardRemoving the WiFi card module Installing the WiFi units Figure 57. Connecting the WiFi antenna cables Figure 56. Installing the WiFi card module72 ThinkCentre M73 User Guide Installing the rear WiFi antenna Installing or removing the rear WiFi antennaWhat to do next Figure 59. Installing the rear WiFi antenna Removing the rear WiFi antennaFigure 60. Removing the rear WiFi antenna What to do nextInstalling the front WiFi antenna Installing or removing the front WiFi antennaFigure 62. Installing the front WiFi antenna Removing the front WiFi antennaWhat to do next Figure 63. Removing the front WiFi antenna Replacing the keyboardWhat to do next Figure 64. Keyboard connectors Replacing the mouseFigure 65. Mouse connectors What to do nextFigure 66. Reinstalling the computer cover Completing the parts replacement80 ThinkCentre M73 User Guide Obtaining device driversRecovery information for the Windows 7 operating system Chapter 6. Recovery informationCreating and using recovery media Creating recovery media Performing backup and recovery operationsUsing recovery media Performing a backup operationPerforming a recovery operation Using the Rescue and Recovery workspace3. Click 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 86 ThinkCentre M73 User GuideUsing the advanced startup options Resetting your computer to the factory default settingsRefreshing your computer 88 ThinkCentre M73 User Guide Starting the Setup Utility program Chapter 7. Using the Setup Utility programViewing and changing settings Using passwordsPower-On Password Password considerationsAdministrator Password Hard Disk PasswordEnabling or disabling a device Erasing lost or forgotten passwords clearing CMOSUSB Setup SATA ControllerSelecting a startup device Enabling ErP compliance modeSelecting a temporary startup device Selecting or changing the startup device sequenceICE thermal alert ICE performance modeBetter Acoustic Performance default setting Disabled94 ThinkCentre M73 User Guide Exiting from the Setup Utility programUpdating flashing the BIOS from a disc Using system programsChapter 8. Updating system programs Recovering from a POST/BIOS update failure Updating flashing the BIOS from your operating system2. Click Download Drivers & Software 3. Click Use Quick Path Keeping your computer current Chapter 9. Preventing problemsGetting the latest device drivers for your computer Updating your operating systemBasics Using System UpdateCleaning and maintenance “Basics” on page “Cleaning your computer” on page “Computer” on pageComputer Cleaning your computerKeyboard Optical mouseMoving your computer Good maintenance practicesCleaning a glass-screen surface Basic troubleshooting Chapter 10. Troubleshooting and diagnosticsTroubleshooting Troubleshooting procedure102 ThinkCentre M73 User Guide No audio in Windows Audio problemsSound comes from one external speaker only CD problemsNo audio in DOS applications or games A 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 1. Click Start Control Panel 2. Click Hardware and SoundThe mouse or pointing device does not work The wireless keyboard does not workThe pointer on the screen does not move smoothly with the mouse The fingerprint reader does not workWrong characters appear on the screen Monitor problemsThe image appears to be flickering Networking problemsThe image is discolored Your computer cannot connect to the network Ethernet problems1. Click Start Control Panel 2. Click Hardware and Sound 2. Click Hardware and SoundThe Wake on LAN feature is not working A wireless LAN problemThe adapter stops working for no apparent reason A wireless WAN problem Option problemsBluetooth problem An option that was just installed does not workInsufficient free hard disk drive space Performance and lockup problems3. Click Disk Cleanup 1. Click Start Computer2. Click Programs 3. Click Turn Windows features on or off Excessive number of fragmented files3. Click Disk Cleanup 4. Click Clean up system files 6. In the Programs and Features area, click the Clean up buttonSerial port problems Printer problemsInsufficient memory When using a sort feature, dates do not sort in the correct order Software problemsSoftware does not work as expected Lenovo Solution Center USB problems118 ThinkCentre M73 User Guide Safety and Warranty Chapter 11. Getting information, help, and serviceInformation resources Lenovo ThinkVantage ToolsUsing the documentation and diagnostic program Help and serviceCalling for service Lenovo Support Web sitePurchasing additional services Using other services122 ThinkCentre M73 User Guide Lenovo United States, Inc 1009 Think Place - Building One Appendix A. NoticesMorrisville, NC U.S.A Attention Lenovo Director of Licensing Trademarks Export classification notice Appendix B. Regulatory informationTelevision output notice Electronic emissions noticesGerman Class B compliance statement Deutschsprachiger EU Hinweis Industry Canada Class B emission compliance statementDeutschland Lenovo product service information for Taiwan Eurasian compliance mark Additional regulatory informationJapan VCCI Class B compliance statement Keyboard and mouse compliance statement for Taiwan128 ThinkCentre M73 User Guide Important WEEE information Appendix C. WEEE and recycling informationRecycling information for Japan Battery recycling information for the European Union Battery recycling information for TaiwanRecycling information for Brazil Declarações de Reciclagem no BrasilAppendix C. WEEE and recycling information 132 ThinkCentre M73 User Guide European Union RoHS Appendix D. Restriction of Hazardous Substances Directive RoHSChina RoHS Turkish RoHS RoHS compliant as per E-Waste Management & Handling Rules Ukraine RoHS India RoHSCopyright Lenovo Appendix E. China Energy Label136 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