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Lenovo M73 manual Installing or removing the front WiFi antenna, Installing the front WiFi antenna

Models: M73

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

Installing or removing the front WiFi antenna

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 install or remove the front WiFi antenna.

Installing the front WiFi antenna

To install the front WiFi antenna, 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.Remove the front bezel. See “Removing and reinstalling the front bezel” on page 38.

4.Peel off the paper that protects the stickers on the front antenna.

Figure 61. Peeling off the paper that protects the stickers

Chapter 5. Installing or replacing hardware 75

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Lenovo M73 manual Installing or removing the front WiFi antenna, Installing the front WiFi antenna

Contents

Machine Types 10B4, 10B5, 10B6, and 10B7 ThinkCentre M73 User GuideSecond Edition November Copyright Lenovo Chapter 5. Installing or replacing ContentsImportant safety information Chapter 2. Using your computerChapter 6. Recovery information Appendix A. Notices iv ThinkCentre M73 User Guide Hazardous moving parts. Keep fingers and other body parts away Important safety informationService and upgrades Static electricity preventionExtension cords and related devices Power cords and power adaptersPlugs and outlets External devicesHeat and product ventilation Operating environment Modem safety informationDANGER Power supply statementCleaning and maintenance Laser compliance statementx ThinkCentre M73 User Guide Memory FeaturesChapter 1. Product overview MicroprocessorConnectivity System management featuresPreinstalled software programs Input/Output I/O featuresPower supply Security featuresPreinstalled operating system Specifications Accessing Lenovo programs on the Windows 7 operating systemLenovo programs Table 2. Programs in Control Panel Accessing Lenovo programs from the Lenovo ThinkVantage Tools programAccessing Lenovo programs from Control Panel Table 1. Programs in the Lenovo ThinkVantage Tools programAn introduction to Lenovo programs Communications UtilityFingerprint Software Power Manager Lenovo SettingsLenovo Solution Center Password ManagerLocations System UpdateView Management Utility Description Locating connectors on the rear of your computerFigure 2. Rear connector locations ConnectorDescription 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 Where can I find help about the Windows operating system? Chapter 2. Using your computerFrequently asked questions Where are my recovery discs?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 About your computer audio Using the wheel mouseAdjusting audio Setting the volume from the desktopIn the Taskbar section, click Customize icons on the taskbar Setting the volume from Control PanelUsing CDs and DVDs 2. In the Sound section, click Adjust system volumeHandling and storing CD and DVD media Playing a CD or DVDRecording a CD or DVD Page 26 ThinkCentre M73 User Guide Comfort Accessibility and comfortChapter 3. You and your computer Arranging your workspaceGlare 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 coverFigure 8. Kensington-style cable lock Using passwordsBIOS passwords Attaching a Kensington-style cable lockProtecting data against viruses Windows passwordsConfiguring the fingerprint reader Using and understanding firewallsChapter 4. Security 36 ThinkCentre M73 User Guide Handling static-sensitive devices Chapter 5. Installing or replacing hardwareInstalling or replacing hardware Installing external optionsRemoving 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 What to do next Replacing the hard disk driveFigure 19. Removing the old battery Figure 20. Installing a new batteryFigure 22. Removing the hard disk drive Figure 21. Pivoting the drive bay assemblyWhat to do next Replacing the solid-state driveFigure 23. Connecting a SATA hard disk drive Figure 24. Installing the hard disk driveFigure 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 driveFigure 32. Removing the optical drive screws 7. Slightly press the drive bay assembly clip showninward and pivot the drive bay assembly downward as Figure 33. Lowering the drive bay assemblyFigure 35. Installing a new optical drive 8. Slide the optical drive out of the front of the computerFigure 34. Removing the optical drive What to do next Replacing the heat sink and fan assemblyFigure 36. Installing the optical drive Figure 37. Connecting a SATA optical driveFigure 38. Removing the heat sink fan duct a. Partially remove screw b. Partially remove screw Hazardous moving parts. Keep fingers and other body parts away Replacing the power supply assemblyFigure 40. Installing the heat sink fan duct What to do next60 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 What to do next Removing the rear WiFi antennaFigure 59. Installing the rear WiFi antenna Figure 60. Removing the rear WiFi antennaInstalling 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 What to do next Replacing the mouseFigure 64. Keyboard connectors Figure 65. Mouse connectorsFigure 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 Performing a backup operation Performing backup and recovery operationsCreating recovery media Using recovery mediaUsing 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 86 ThinkCentre M73 User Guide Reinstalling software programsReinstalling device drivers Solving recovery problemsResetting your computer to the factory default settings Using the advanced startup optionsRefreshing your computer 88 ThinkCentre M73 User Guide Using passwords Chapter 7. Using the Setup Utility programStarting the Setup Utility program Viewing and changing settingsHard Disk Password Password considerationsPower-On Password Administrator PasswordSATA Controller Erasing lost or forgotten passwords clearing CMOSEnabling or disabling a device USB SetupSelecting or changing the startup device sequence Enabling ErP compliance modeSelecting a startup device Selecting a temporary startup deviceDisabled ICE performance modeICE thermal alert Better Acoustic Performance default setting94 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 Updating your operating system Chapter 9. Preventing problemsKeeping your computer current Getting the latest device drivers for your computer“Basics” on page “Cleaning your computer” on page “Computer” on page Using System UpdateBasics Cleaning and maintenanceOptical mouse Cleaning your computerComputer KeyboardGood 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 Invalid disc or no disc found message DVD movie will not playNo audio or intermittent audio while playing DVD movie Playback is very slow or choppy1. Click Start Control Panel 2. Click Hardware and Sound Intermittent problemsKeyboard, mouse, or pointing device problems All or some keys on the keyboard do not workThe fingerprint reader does not work The wireless keyboard does not workThe mouse or pointing device does not work The pointer on the screen does not move smoothly with the mouseWrong characters appear on the screen Monitor problemsNetworking problems The image appears to be flickeringThe image is discolored 2. Click Hardware and Sound Ethernet problemsYour computer cannot connect to the network 1. Click Start Control Panel 2. Click Hardware and SoundA wireless LAN problem The Wake on LAN feature is not workingThe adapter stops working for no apparent reason An option that was just installed does not work Option problemsA wireless WAN problem Bluetooth problem1. Click Start Computer Performance and lockup problemsInsufficient free hard disk drive space 3. Click Disk Cleanup6. In the Programs and Features area, click the Clean up button Excessive number of fragmented files2. Click Programs 3. Click Turn Windows features on or off 3. Click Disk Cleanup 4. Click Clean up system filesPrinter 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 Lenovo ThinkVantage Tools Chapter 11. Getting information, help, and serviceSafety and Warranty Information resourcesLenovo Support Web site Help and serviceUsing the documentation and diagnostic program Calling for servicePurchasing 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 Electronic emissions notices Appendix B. Regulatory informationExport classification notice Television output noticeIndustry Canada Class B emission compliance statement German Class B compliance statement Deutschsprachiger EU HinweisDeutschland Keyboard and mouse compliance statement for Taiwan Eurasian compliance mark Additional regulatory informationLenovo product service information for Taiwan Japan VCCI Class B compliance statement128 ThinkCentre M73 User Guide Appendix C. WEEE and recycling information Important WEEE informationRecycling information for Japan Declarações de Reciclagem no Brasil Battery recycling information for TaiwanBattery recycling information for the European Union Recycling information for BrazilAppendix 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