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Lenovo M73 Removing the rear WiFi antenna, What to do next, Installing the rear WiFi antenna

Models: M73

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3. Adjust the angle of the rear antenna to lower the risk of breaking the antenna by accident.

Figure 59. Installing the rear WiFi antenna

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.

Removing the rear WiFi antenna

To remove the rear WiFi antenna, do the following:

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

2.Straighten the rear WiFi antenna so that it can be more easily twisted.

3.Hold the thicker end of the rear WiFi antenna and unscrew the WiFi antenna from the rear of the computer.

Figure 60. Removing the rear WiFi antenna

What to do next:

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

74ThinkCentre M73 User Guide

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Lenovo M73 manual Removing the rear WiFi antenna, What to do next, Installing the rear WiFi antenna

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 devicesHeat and product ventilation Plugs and outletsExternal devices 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 Lenovo programs SpecificationsAccessing Lenovo programs on the Windows 7 operating system 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 PanelFingerprint Software An introduction to Lenovo programsCommunications Utility Password Manager Lenovo SettingsLenovo Solution Center Power ManagerView Management Utility LocationsSystem Update 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 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 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 a fingerprint reader Using the keyboardUsing Windows shortcut keys 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 taskbarRecording a CD or DVD Handling and storing CD and DVD mediaPlaying a CD or DVD Page 26 ThinkCentre M73 User Guide Arranging your workspace Accessibility and comfortChapter 3. You and your computer 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 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 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 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 screwsFigure 34. Removing the optical drive Figure 35. Installing a new optical drive8. Slide the optical drive out of the front of the computer 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 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 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 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 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 GuideCreating and using recovery media Chapter 6. Recovery informationRecovery information for the Windows 7 operating system Using recovery media Performing backup and recovery operationsCreating 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 Solving recovery problems Reinstalling software programsReinstalling device drivers 86 ThinkCentre M73 User GuideRefreshing your computer Resetting your computer to the factory default settingsUsing the advanced startup options 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 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 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 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 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 is discolored Networking problemsThe image appears to be flickering 1. Click Start Control Panel 2. Click Hardware and Sound Ethernet problemsYour computer cannot connect to the network 2. Click Hardware and SoundThe adapter stops working for no apparent reason A wireless LAN problemThe Wake on LAN feature is not working 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 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 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 Morrisville, NC U.S.A Attention Lenovo Director of Licensing Appendix A. NoticesLenovo United States, Inc 1009 Think Place - Building One Trademarks Television output notice Appendix B. Regulatory informationExport classification notice Electronic emissions noticesDeutschland Industry Canada Class B emission compliance statementGerman Class B compliance statement Deutschsprachiger EU Hinweis 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 Recycling information for Japan Appendix C. WEEE and recycling informationImportant WEEE information 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 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