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Lenovo M73 manual Removing the WiFi adapter card, Disconnecting the Bluetooth cable

Models: M73

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•“Installing the WiFi units” on page 71

Removing the WiFi adapter card

To remove the WiFi adapter card, do the following:

1.Turn off the computer and disconnect all power cords from electrical outlets.

2.Remove the computer cover. See “Removing the computer cover” on page 38.

3.If your computer comes with a WiFi card module that supports the Bluetooth function, disconnect the Bluetooth cable from the WiFi adapter card.

Figure 51. Disconnecting the Bluetooth cable

Note: The Bluetooth cable connects the Bluetooth connector on the WiFi adapter card to the front USB connector on the system board to support the Bluetooth function.

4. Remove the screw that secures the WiFi adapter card.

Chapter 5. Installing or replacing hardware 69

Page 81

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Lenovo M73 manual Removing the WiFi adapter card, Disconnecting the Bluetooth cable

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 adaptersPlugs and outlets External devicesHeat 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 Specifications Accessing Lenovo programs on the Windows 7 operating systemLenovo 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 PanelAn introduction to Lenovo programs Communications UtilityFingerprint Software Lenovo Solution Center Lenovo SettingsPassword Manager Power ManagerLocations System UpdateView 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 drivesMachine type and model label The following is a sample of the 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 the keyboard Using Windows shortcut keysUsing 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 taskbarHandling and storing CD and DVD media Playing a CD or DVDRecording a CD or DVD Page 26 ThinkCentre M73 User Guide Chapter 3. You and your computer Accessibility and comfortArranging your workspace ComfortGlare and lighting Air circulationElectrical outlets and cable lengths Voltage-selection switch Registering your computerMoving 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 14. Removing a memory module Figure 15. Opening the retaining clips42 ThinkCentre M73 User Guide Installing or replacing a PCI Express card Figure 16. Installing a memory moduleWhat to do next as shown to Replacing the battery Figure 18. Installing a PCI Express cardWhat 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 screwsFigure 35. Installing a new optical drive 8. Slide the optical drive out of the front of the computerFigure 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 Replacing the microprocessor Figure 44. Installing the heat sink fan ductWhat to do next Figure 45. Accessing the microprocessor Figure 46. Removing the microprocessor64 ThinkCentre M73 User Guide Replacing the front audio and USB assembly Figure 47. Installing the microprocessorWhat to do next Replacing the system fan assembly Figure 48. Removing the front audio and USB assemblyWhat to do next Figure 49. Removing the system fan assembly Replacing the WiFi units Figure 50. Installing the system fan assemblyWhat to do next Figure 51. Disconnecting the Bluetooth cable Removing the WiFi adapter cardRemoving the WiFi card module Installing the WiFi units Figure 56. Installing the WiFi card module Figure 57. Connecting the WiFi antenna cables72 ThinkCentre M73 User Guide Installing or removing the rear WiFi antenna Installing 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 antennaRemoving the front WiFi antenna Figure 62. Installing the front WiFi antennaWhat to do next Replacing the keyboard Figure 63. Removing the front WiFi antennaWhat 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 driversChapter 6. Recovery information Recovery information for the Windows 7 operating systemCreating and using recovery media Creating recovery media Performing backup and recovery operationsUsing recovery media Performing a backup operationUsing the Rescue and Recovery workspace Performing a recovery operation3. Click the Restore your system from a backup icon Creating and using a rescue medium Using a rescue mediumCreating a rescue medium Reinstalling preinstalled applications and device drivers Reinstalling preinstalled applicationsReinstalling preinstalled device drivers Reinstalling device drivers Reinstalling software programsSolving recovery problems 86 ThinkCentre M73 User GuideResetting your computer to the factory default settings Using the advanced startup optionsRefreshing 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 programUsing 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 failure2. 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 mouseGood maintenance practices Moving your computerCleaning a glass-screen surface Basic troubleshooting Chapter 10. Troubleshooting and diagnosticsTroubleshooting procedure Troubleshooting102 ThinkCentre M73 User Guide No audio in Windows Audio problemsCD 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 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 problemsNetworking problems The image appears to be flickeringThe 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 SoundA wireless LAN problem The Wake on LAN feature is not workingThe 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 buttonPrinter problems Serial port problemsInsufficient memory Software problems When using a sort feature, dates do not sort in the correct orderSoftware does not work as expected USB problems Lenovo Solution Center118 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 Appendix A. Notices Lenovo United States, Inc 1009 Think Place - Building OneMorrisville, NC U.S.A Attention Lenovo Director of Licensing Trademarks Export classification notice Appendix B. Regulatory informationTelevision output notice Electronic emissions noticesIndustry Canada Class B emission compliance statement German Class B compliance statement Deutschsprachiger EU HinweisDeutschland 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 Appendix C. WEEE and recycling information Important WEEE 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 Appendix D. Restriction of Hazardous Substances Directive RoHS European Union 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