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Lenovo E73Z, 10BL manual ThinkCentre E73z Hardware Maintenance Manual

Models: E73Z 10BL

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Lenovo E73Z, 10BL manual ThinkCentre E73z Hardware Maintenance Manual

Contents

ThinkCentre E73z Hardware Maintenance Manual Second Edition January Copyright Lenovo 2013 Contents Appendix A. Notices 115 Important safety information About this manualThinkCentre E73z Hardware Maintenance Manual Electrical safety Safety informationGeneral safety ThinkCentre E73z Hardware Maintenance Manual Safety inspection guide Handling electrostatic discharge-sensitive devicesSafety notices multi-lingual translations Grounding requirementsTo Connect To Disconnect ≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs Safety information Perigo Cuidado Para Conectar Para DesconectarPerigo Safety information ThinkCentre E73z Hardware Maintenance Manual Safety information Connexion Déconnexion ≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs Vorsicht Achtung Arbeitsschutzrichtlinien beim Anheben der Maschine beachtenThinkCentre E73z Hardware Maintenance Manual Safety information Pericolo Per collegarsi Per scollegarsiPrestare attenzione nel sollevare lapparecchiatura ThinkCentre E73z Hardware Maintenance Manual Peligro No debe Adopte procedimientos seguros al levantar el equipo ThinkCentre E73z Hardware Maintenance Manual Specifications General informationLenovo programs EnvironmentAccessing Lenovo programs on the Windows 7 operating system Accessing Lenovo programs from Control PanelProgram Icon name Program Control Panel section Green text in Control PanelLenovo Support Web site ThinkCentre E73z Hardware Maintenance Manual Problem determination tips General checkoutThinkCentre E73z Hardware Maintenance Manual Symptom Action Troubleshooting and diagnosticsBasic troubleshooting Troubleshooting procedure Click Settings Click Control PanelSystem Protection System Restore TroubleshootingAudio problems No audio in Windows Sound comes from one external speaker onlyCD or DVD does not work CD problemsNo audio in DOS applications or games DVD problems Black screen instead of DVD videoDVD movie will not play No audio or intermittent audio while playing DVD movieIntermittent problems Hard disk drive problemsPlayback is very slow or choppy Invalid disc or no disc found messageKeyboard, mouse, or pointing device problems All or some keys on the keyboard do not workOptical mouse Mouse or pointing device does not workClick Hardware and Sound Click Devices and Printers Monitor problems Wireless keyboard does not workPointer on the screen does not move smoothly with the mouse Fingerprint reader does not workWrong characters appear on the screen Image appears to be flickeringNetworking problems Ethernet problemsImage is discolored Your computer cannot connect to the networkAdapter stops working for no apparent reason Wake on LAN feature is not workingClick Start Control Panel Click Hardware and Sound Option problems Wireless LAN problemWireless WAN problem Bluetooth problemPerformance and lockup problems An option that was just installed does not workAn option that previously worked does not work now Insufficient free hard disk drive spaceClick Disk Cleanup Click Programs Click Turn Windows features on or offClick Disk Cleanup Click Clean up system files Programs and Features area, click the Clean up buttonPrinter problems Serial port problemsInsufficient memory Click Defragment Now, then click ContinueSoftware problems Software does not work as expectedUSB problems DiagnosticsLenovo Solution Center Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Using passwordsPassword considerations Power-on passwordAdministrator password Setting, changing, and deleting a passwordUSB Setup Enabling or disabling a deviceSelecting a startup device Sata ControllerSelecting or changing the startup device sequence Exiting the Setup Utility programSelecting a temporary startup device Symptom-to-FRU Index Hard disk drive boot errorPower supply problems Beep symptomsPost error codes Beep symptom FRU/ActionShort and 1 long beeps Dram memory error Error code Post error message Description/ActionDisplay/Monitor Miscellaneous error conditionsMessage/Symptom FRU/Action First device network Second device hard diskUndetermined problems ThinkCentre E73z Hardware Maintenance Manual Front connector, control, and indicator locations LocationsLocating connectors on the rear of your computer Locating major FRUs and CRUsLocating major FRUs and CRUs Number FRU description Self-service CRU Optional-service CRU Locations of the parts and connectors on the system board ThinkCentre E73z Hardware Maintenance Manual Replacing FRUs Removing and installing the computer standRemoving and reinstalling the frame stand Removing the frame stand Removing and installing the monitor stand Removing the monitor stand Removing and reinstalling the feet stand Removing the computer coverRemoving and installing the hard-disk-drive EMI shield Removing the feet standRemoving the hard-disk-drive EMI shield Installing the hard-disk-drive EMI shield Removing the hard disk drive from the bracket What to do next Removing the hard disk drive from the bracket Replacing the optical drive Removing the optical driveRemoving and reinstalling the system board shield Installing the optical driveReplacing the rear I/O assembly Removing the system board shieldRemoving the power cord connector Removing the power cord connector from the rear I/O assembly Removing the Vesa mount bracketReplacing the power supply Removing the Vesa mount bracketRemoving the two screws that secure the power supply Replacing the microprocessor fanRemoving the microprocessor fan Replacing the heat sink assembly Replacing the microprocessor Opening the retainer to access the microprocessor Noting the orientation of the microprocessor in the socket Installing the microprocessor Replacing the card readerReplacing the battery Removing the card readerRemoving the battery Replacing the converter boardInstalling or replacing a memory module Removing a memory module Installing a memory module Replacing the internal speakersReplacing the integrated camera Removing the internal speakersReplacing the system board Removing the integrated cameraThinkCentre E73z Hardware Maintenance Manual Replacing the LCD panel Removing the foot stands Removing the four screws that secure the LCD panel Reconnecting the LCD panel cable to the system board Replacing the Wi-Fi card Completing the parts replacement Removing the Wi-Fi cardInstalling the computer cover ThinkCentre E73z Hardware Maintenance Manual Additional service information Updating flashing the Bios from a disc Click Download Drivers & Software Click Use Quick Path Updating flashing the Bios from your operating systemRecovering from a POST/BIOS update failure Power management Automatic configuration and power interface Acpi BiosAutomatic Power-on features Click Hardware and Sound Power OptionsAppendix A. Notices 115Television output notice European conformance CE mark TrademarksIndex 117Rear connectors