ThinkCentre E73z Hardware Maintenance Manual | Lenovo E73Z, 10BL

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14ThinkCentre E73z Hardware Maintenance Manual

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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 manual ThinkCentre E73z Hardware Maintenance Manual Safety information General safetyElectrical safety ThinkCentre E73z Hardware Maintenance Manual Safety inspection guide Handling electrostatic discharge-sensitive devices Safety notices multi-lingual translations Grounding requirements To Connect To Disconnect ≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs Safety information Perigo Cuidado Para Conectar Para Desconectar Perigo 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 beachten ThinkCentre E73z Hardware Maintenance Manual Safety information Pericolo Per collegarsi Per scollegarsi Prestare attenzione nel sollevare lapparecchiatura ThinkCentre E73z Hardware Maintenance Manual Peligro No debe Adopte procedimientos seguros al levantar el equipo ThinkCentre E73z Hardware Maintenance Manual Lenovo programs SpecificationsGeneral information Environment Program Icon name Accessing Lenovo programs on the Windows 7 operating systemAccessing Lenovo programs from Control Panel Program Control Panel section Green text in Control Panel Lenovo Support Web site ThinkCentre E73z Hardware Maintenance Manual Problem determination tips General checkout ThinkCentre E73z Hardware Maintenance Manual Troubleshooting and diagnostics Basic troubleshootingSymptom Action Troubleshooting procedure Click Settings Click Control Panel Troubleshooting Audio problemsSystem Protection System Restore No audio in Windows Sound comes from one external speaker only CD problems No audio in DOS applications or gamesCD or DVD does not work DVD movie will not play DVD problemsBlack screen instead of DVD video No audio or intermittent audio while playing DVD movie Playback is very slow or choppy Intermittent problemsHard disk drive problems Invalid disc or no disc found message Keyboard, mouse, or pointing device problems All or some keys on the keyboard do not work Mouse or pointing device does not work Click Hardware and Sound Click Devices and PrintersOptical mouse Pointer on the screen does not move smoothly with the mouse Monitor problemsWireless keyboard does not work Fingerprint reader does not work Wrong characters appear on the screen Image appears to be flickering Image is discolored Networking problemsEthernet problems Your computer cannot connect to the network Wake on LAN feature is not working Click Start Control Panel Click Hardware and SoundAdapter stops working for no apparent reason Wireless WAN problem Option problemsWireless LAN problem Bluetooth problem An option that previously worked does not work now Performance and lockup problemsAn option that was just installed does not work Insufficient free hard disk drive space Click Disk Cleanup Click Clean up system files Click Disk CleanupClick Programs Click Turn Windows features on or off Programs and Features area, click the Clean up button Insufficient memory Printer problemsSerial port problems Click Defragment Now, then click Continue Software problems Software does not work as expected USB problems Diagnostics Lenovo Solution Center Viewing and changing settings Using the Setup Utility programStarting the Setup Utility program Using passwords Administrator password Password considerationsPower-on password Setting, changing, and deleting a password Selecting a startup device USB SetupEnabling or disabling a device Sata Controller Exiting the Setup Utility program Selecting a temporary startup deviceSelecting or changing the startup device sequence Power supply problems Symptom-to-FRU IndexHard disk drive boot error Beep symptoms Short and 1 long beeps Dram memory error Post error codesBeep symptom FRU/Action Error code Post error message Description/Action Miscellaneous error conditions Message/Symptom FRU/ActionDisplay/Monitor First device network Second device hard disk Undetermined problems ThinkCentre E73z Hardware Maintenance Manual Front connector, control, and indicator locations Locations Locating connectors on the rear of your computer Locating major FRUs and CRUs Locating 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 Removing and installing the computer stand Removing and reinstalling the frame standReplacing FRUs Removing the frame stand Removing and installing the monitor stand Removing the monitor stand Removing and reinstalling the feet stand Removing the computer cover Removing and installing the hard-disk-drive EMI shield Removing the feet stand Removing 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 drive Removing and reinstalling the system board shield Installing the optical drive Replacing the rear I/O assembly Removing the system board shield Removing the power cord connector Removing the power cord connector from the rear I/O assembly Removing the Vesa mount bracket Replacing the power supply Removing the Vesa mount bracket Removing the two screws that secure the power supply Replacing the microprocessor fan Removing 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 reader Replacing the battery Removing the card reader Removing the battery Replacing the converter board Installing or replacing a memory module Removing a memory module Installing a memory module Replacing the internal speakers Replacing the integrated camera Removing the internal speakers Replacing the system board Removing the integrated camera ThinkCentre 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 card Installing the computer cover ThinkCentre E73z Hardware Maintenance Manual Additional service information Updating flashing the Bios from a disc Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureClick Download Drivers & Software Click Use Quick Path Automatic Power-on features Power managementAutomatic configuration and power interface Acpi Bios Click Hardware and Sound Power Options Appendix A. Notices 115 Television output notice European conformance CE mark Trademarks Index 117 Rear connectors