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Lenovo M73 manual Removing the WiFi card module

Models: M73

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5. Grasp the WiFi adapter card that is currently installed and gently pull it out of the slot.

Figure 52. Removing the WiFi adapter card

Note: The card fits tightly into the card slot. If necessary, alternate moving each side of the card a small amount until it is removed from the card slot.

Removing the WiFi card module

To remove the WiFi card module, do the following:

1.Remove the WiFi adapter card from the computer, and then disconnect the front and rear WiFi antenna cables from the WiFi card module.

Figure 53. Removing the WiFi antenna cables

70ThinkCentre M73 User Guide

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Lenovo M73 manual Removing the WiFi card module

Contents

ThinkCentre M73 User Guide Machine Types 10B4, 10B5, 10B6, and 10B7Second Edition November Copyright Lenovo Chapter 2. Using your computer ContentsImportant safety information Chapter 5. Installing or replacingChapter 6. Recovery information Appendix A. Notices iv ThinkCentre M73 User Guide Static electricity prevention Important safety informationService and upgrades Hazardous moving parts. Keep fingers and other body parts awayPower cords and power adapters Extension cords and related devicesExternal devices Plugs and outletsHeat and product ventilation Modem safety information Operating environmentLaser compliance statement Power supply statementCleaning and maintenance DANGERx ThinkCentre M73 User Guide Microprocessor FeaturesChapter 1. Product overview MemorySystem management features ConnectivitySecurity features Input/Output I/O featuresPower supply Preinstalled software programsPreinstalled operating system Accessing Lenovo programs on the Windows 7 operating system SpecificationsLenovo programs Table 1. Programs in the Lenovo ThinkVantage Tools program Accessing Lenovo programs from the Lenovo ThinkVantage Tools programAccessing Lenovo programs from Control Panel Table 2. Programs in Control PanelCommunications Utility An introduction to Lenovo programsFingerprint Software Password Manager Lenovo SettingsLenovo Solution Center Power ManagerSystem Update LocationsView Management Utility Connector Locating connectors on the rear of your computerFigure 2. Rear connector locations DescriptionConnector DescriptionLocating components Figure 3. Component locationsLocating parts on the system board Figure 4. System board part locationsLocating internal drives Figure 5. Drive bay locationsThe 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 Where are my recovery discs? Chapter 2. Using your computerFrequently asked questions 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 Windows shortcut keys Using the keyboardUsing a fingerprint reader Setting the volume from the desktop Using the wheel mouseAdjusting audio About your computer audio2. In the Sound section, click Adjust system volume Setting the volume from Control PanelUsing CDs and DVDs 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 Arranging your workspace Accessibility and comfortChapter 3. You and your computer ComfortAir circulation Glare and lightingElectrical outlets and cable lengths Registering your computer Voltage-selection switchMoving 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 padlockAttaching a Kensington-style cable lock Using passwordsBIOS passwords Figure 8. Kensington-style cable lockUsing and understanding firewalls Windows passwordsConfiguring the fingerprint reader Protecting data against virusesChapter 4. Security 36 ThinkCentre M73 User Guide Installing external options Chapter 5. Installing or replacing hardwareInstalling or replacing hardware 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 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 20. Installing a new battery Replacing the hard disk driveFigure 19. Removing the old battery What to do nextFigure 21. Pivoting the drive bay assembly Figure 22. Removing the hard disk driveFigure 24. Installing the hard disk drive Replacing the solid-state driveFigure 23. Connecting a SATA 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 nextFigure 33. Lowering the drive bay assembly 7. Slightly press the drive bay assembly clip showninward and pivot the drive bay assembly downward as 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 37. Connecting a SATA optical drive Replacing the heat sink and fan assemblyFigure 36. Installing the optical drive What to do nextFigure 38. Removing the heat sink fan duct a. Partially remove screw b. Partially remove screw What to do next Replacing the power supply assemblyFigure 40. Installing the heat sink fan duct 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 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 Removing the WiFi adapter card Figure 51. Disconnecting the Bluetooth cableRemoving 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 60. Removing the rear WiFi antenna Removing the rear WiFi antennaFigure 59. Installing the rear WiFi antenna What to do nextInstalling or removing the front WiFi antenna Installing 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 65. Mouse connectors Replacing the mouseFigure 64. Keyboard connectors What to do nextCompleting the parts replacement Figure 66. Reinstalling the computer coverObtaining device drivers 80 ThinkCentre M73 User GuideRecovery information for the Windows 7 operating system Chapter 6. Recovery informationCreating and using recovery media Using recovery media Performing backup and recovery operationsCreating 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 Solving recovery problems Reinstalling software programsReinstalling device drivers 86 ThinkCentre M73 User GuideUsing the advanced startup options Resetting your computer to the factory default settingsRefreshing your computer 88 ThinkCentre M73 User Guide Viewing and changing settings Chapter 7. Using the Setup Utility programStarting the Setup Utility program Using passwordsAdministrator Password Password considerationsPower-On Password Hard Disk PasswordUSB Setup Erasing lost or forgotten passwords clearing CMOSEnabling or disabling a device SATA ControllerSelecting a temporary startup device Enabling ErP compliance modeSelecting a startup device Selecting or changing the startup device sequenceBetter Acoustic Performance default setting ICE performance modeICE thermal alert DisabledExiting from the Setup Utility program 94 ThinkCentre M73 User GuideUpdating 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 Getting the latest device drivers for your computer Chapter 9. Preventing problemsKeeping your computer current Updating your operating systemCleaning and maintenance Using System UpdateBasics “Basics” on page “Cleaning your computer” on page “Computer” on pageKeyboard Cleaning your computerComputer Optical mouseMoving your computer Good maintenance practicesCleaning a glass-screen surface Chapter 10. Troubleshooting and diagnostics Basic troubleshootingTroubleshooting Troubleshooting procedure102 ThinkCentre M73 User Guide Audio problems No audio in WindowsSound 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 Playback is very slow or choppy DVD movie will not playNo audio or intermittent audio while playing DVD movie Invalid disc or no disc found messageAll or some keys on the keyboard do not work Intermittent problemsKeyboard, mouse, or pointing device problems 1. Click Start Control Panel 2. Click Hardware and SoundThe pointer on the screen does not move smoothly with the mouse The wireless keyboard does not workThe mouse or pointing device does not work The fingerprint reader does not workMonitor problems Wrong characters appear on the screenThe image appears to be flickering Networking problemsThe image is discolored 1. Click Start Control Panel 2. Click Hardware and Sound Ethernet problemsYour computer cannot connect to the network 2. Click Hardware and SoundThe Wake on LAN feature is not working A wireless LAN problemThe adapter stops working for no apparent reason Bluetooth problem Option problemsA wireless WAN problem An option that was just installed does not work3. Click Disk Cleanup Performance and lockup problemsInsufficient free hard disk drive space 1. Click Start Computer3. Click Disk Cleanup 4. Click Clean up system files Excessive number of fragmented files2. Click Programs 3. Click Turn Windows features on or off 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 Information resources Chapter 11. Getting information, help, and serviceSafety and Warranty Lenovo ThinkVantage ToolsCalling for service Help and serviceUsing the documentation and diagnostic program Lenovo Support Web siteUsing other services Purchasing additional 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 Television output notice Appendix B. Regulatory informationExport classification notice Electronic emissions noticesGerman Class B compliance statement Deutschsprachiger EU Hinweis Industry Canada Class B emission compliance statementDeutschland Japan VCCI Class B compliance statement Eurasian compliance mark Additional regulatory informationLenovo product service information for Taiwan Keyboard and mouse compliance statement for Taiwan128 ThinkCentre M73 User Guide Important WEEE information Appendix C. WEEE and recycling informationRecycling information for Japan Recycling information for Brazil Battery recycling information for TaiwanBattery recycling information for the European Union 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 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