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Lenovo 10BL, E73Z manual Safety information

Models: E73Z 10BL

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Chapter 2. Safety information 13

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Lenovo 10BL, E73Z manual Safety information

Contents

ThinkCentre E73z Hardware Maintenance Manual Second Edition January Copyright Lenovo 2013 Contents Appendix A. Notices 115 About this manual Important safety informationThinkCentre E73z Hardware Maintenance Manual Electrical safety Safety informationGeneral safety ThinkCentre E73z Hardware Maintenance Manual Handling electrostatic discharge-sensitive devices Safety inspection guideGrounding requirements Safety notices multi-lingual translationsTo Connect To Disconnect ≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs Safety information Perigo Para Conectar Para Desconectar CuidadoPerigo 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 Arbeitsschutzrichtlinien beim Anheben der Maschine beachten AchtungThinkCentre E73z Hardware Maintenance Manual Safety information Per collegarsi Per scollegarsi PericoloPrestare attenzione nel sollevare lapparecchiatura ThinkCentre E73z Hardware Maintenance Manual Peligro No debe Adopte procedimientos seguros al levantar el equipo ThinkCentre E73z Hardware Maintenance Manual General information SpecificationsLenovo programs EnvironmentAccessing Lenovo programs from Control Panel Accessing Lenovo programs on the Windows 7 operating systemProgram Icon name Program Control Panel section Green text in Control PanelLenovo Support Web site ThinkCentre E73z Hardware Maintenance Manual General checkout Problem determination tipsThinkCentre E73z Hardware Maintenance Manual Symptom Action Troubleshooting and diagnosticsBasic troubleshooting Click Settings Click Control Panel Troubleshooting procedureSystem Protection System Restore TroubleshootingAudio problems Sound comes from one external speaker only No audio in WindowsCD or DVD does not work CD problemsNo audio in DOS applications or games Black screen instead of DVD video DVD problemsDVD movie will not play No audio or intermittent audio while playing DVD movieHard disk drive problems Intermittent problemsPlayback is very slow or choppy Invalid disc or no disc found messageAll or some keys on the keyboard do not work Keyboard, mouse, or pointing device problemsOptical mouse Mouse or pointing device does not workClick Hardware and Sound Click Devices and Printers Wireless keyboard does not work Monitor problemsPointer on the screen does not move smoothly with the mouse Fingerprint reader does not workImage appears to be flickering Wrong characters appear on the screenEthernet problems Networking 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 Wireless LAN problem Option problemsWireless WAN problem Bluetooth problemAn option that was just installed does not work Performance and lockup problemsAn option that previously worked does not work now Insufficient free hard disk drive spaceClick Programs Click Turn Windows features on or off Click Disk CleanupClick Disk Cleanup Click Clean up system files Programs and Features area, click the Clean up buttonSerial port problems Printer problemsInsufficient memory Click Defragment Now, then click ContinueSoftware does not work as expected Software problemsDiagnostics USB problemsLenovo Solution Center Starting the Setup Utility program Using the Setup Utility programViewing and changing settings Using passwordsPower-on password Password considerationsAdministrator password Setting, changing, and deleting a passwordEnabling or disabling a device USB SetupSelecting a startup device Sata ControllerSelecting or changing the startup device sequence Exiting the Setup Utility programSelecting a temporary startup device Hard disk drive boot error Symptom-to-FRU IndexPower supply problems Beep symptomsBeep symptom FRU/Action Post error codesShort and 1 long beeps Dram memory error Error code Post error message Description/ActionDisplay/Monitor Miscellaneous error conditionsMessage/Symptom FRU/Action Second device hard disk First device networkUndetermined problems ThinkCentre E73z Hardware Maintenance Manual Locations Front connector, control, and indicator locationsLocating major FRUs and CRUs Locating connectors on the rear of your computerLocating 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 the computer cover Removing and reinstalling the feet standRemoving the feet stand Removing and installing the hard-disk-drive EMI shieldRemoving 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 Removing the optical drive Replacing the optical driveInstalling the optical drive Removing and reinstalling the system board shieldRemoving the system board shield Replacing the rear I/O assemblyRemoving the power cord connector Removing the Vesa mount bracket Removing the power cord connector from the rear I/O assemblyRemoving the Vesa mount bracket Replacing the power supplyReplacing the microprocessor fan Removing the two screws that secure the power supplyRemoving 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 Replacing the card reader Installing the microprocessorRemoving the card reader Replacing the batteryReplacing the converter board Removing the batteryInstalling or replacing a memory module Removing a memory module Replacing the internal speakers Installing a memory moduleRemoving the internal speakers Replacing the integrated cameraRemoving the integrated camera Replacing the system boardThinkCentre 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 Removing the Wi-Fi card Completing the parts replacementInstalling 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 Automatic configuration and power interface Acpi Bios Power managementAutomatic Power-on features Click Hardware and Sound Power Options115 Appendix A. NoticesEuropean conformance CE mark Trademarks Television output notice117 IndexRear connectors