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Lenovo ThinkCentre E93z Hardware Maintenance Manual
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Lenovo ThinkCentre E93z Hardware Maintenance Manual

Lenovo ThinkCentre E93z Hardware Maintenance Manual

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See also: Hardware Maintenance Manual , User Manual
ThinkCentre E93z
Hardware Maintenance Manual
Machine Types: 10B8, 10B9, 10BA, 10BH, 10BJ, 10BK, 10CX, and
10CY

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  • Page 1 ThinkCentre E93z Hardware Maintenance Manual Machine Types: 10B8, 10B9, 10BA, 10BH, 10BJ, 10BK, 10CX, and 10CY...
  • Page 2 “Safety information” on page 3 and Appendix A “Notices” on page 129. Fourth Edition (October 2014) © Copyright Lenovo 2013, 2014. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No.

  • Page 3: Table Of Contents

    ..Enabling ErP LPS compliance mode ..Lenovo Support Web site ..Changing the BIOS settings before installing a new operating system....
  • Page 4 Replacing the wireless mouse..Completing the parts replacement ..Index....ThinkCentre E93z Hardware Maintenance Manual...

  • Page 5: Chapter 1. About This Manual

    Before servicing a Lenovo computer product, be sure to read “Important safety information” on page 1. Chapter 7 “Symptom-to-FRU Index” on page 61 and Chapter 10 “Additional service information” on page 125 are not specific to any machine type and are applicable to all ThinkCentre Edge computers.
  • Page 6 ThinkCentre E93z Hardware Maintenance Manual...

  • Page 7: Chapter 2. Safety Information

    • Reinstall all covers correctly before returning the machine to the customer. Electrical safety CAUTION: Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect the attached power cords, telecommunication © Copyright Lenovo 2013, 2014...
  • Page 8 • Do not service the following parts with the power on when they are removed from their normal operating places in a machine: – Power supply units – Pumps – Blowers and fans – Motor generators and similar units. (This practice ensures correct grounding of the units.) • If an electrical accident occurs: ThinkCentre E93z Hardware Maintenance Manual...

  • Page 9: Safety Inspection Guide

    – Use caution; do not become a victim yourself. – Switch off power. – Send another person to get medical aid. Safety inspection guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products.

  • Page 10: Grounding Requirements

    • Brazilian/Portuguese • Chinese (simplified) • Chinese (traditional) • French • German • Hebrew • Italian • Korean • Spanish DANGER Electrical current from power, telephone and communication cables is hazardous. To avoid a shock hazard: ThinkCentre E93z Hardware Maintenance Manual...
  • Page 11 • Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. • Connect all power cords to a properly wired and grounded electrical outlet. • Connect to properly wired outlets any equipment that will be attached to this product. •...
  • Page 12 The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. ThinkCentre E93z Hardware Maintenance Manual...
  • Page 13 Chapter 2 Safety information...
  • Page 14 ≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) PERIGO A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicações é perigosa. ThinkCentre E93z Hardware Maintenance Manual...
  • Page 15 Para evitar risco de choque elétrico: • Não conecte nem desconecte nenhum cabo ou execute instalação, manutenção ou reconfiguração deste produto durante uma tempestade com raios. • Conecte todos os cabos de alimentação a tomadas elétricas corretamente instaladas e aterradas. •...
  • Page 16 O dispositivo também pode ter mais de um cabo de alimentação. Para remover toda a corrente elétrica do dispositivo, assegure que todos os cabos de alimentação estejam desconectados da fonte de alimentação. ThinkCentre E93z Hardware Maintenance Manual...
  • Page 17 Chapter 2 Safety information...
  • Page 18 ThinkCentre E93z Hardware Maintenance Manual...
  • Page 19 Chapter 2 Safety information...
  • Page 20 • l'exposer à des températures supérieures à 100°C, • chercher à la réparer ou à la démonter. Ne pas mettre la pile à la poubelle. Pour la mise au rebut, se reporter à la réglementation en vigueur. ThinkCentre E93z Hardware Maintenance Manual...
  • Page 21 ATTENTION: Si des produits à laser (tels que des unités de CD-ROM, de DVD-ROM, des unités à fibres optiques, ou des émetteurs) sont installés, prenez connaissance des informations suivantes : • Ne retirez pas le carter. En ouvrant l'unité de CD-ROM ou de DVD-ROM, vous vous exposez au rayonnement dangereux du laser.
  • Page 22 Lithiumbatterie, dieses nur durch ein Modul desselben Typs und von demselben Hersteller ersetzen. Die Batterie enthält Lithium und kann bei unsachgemäßer Verwendung, Handhabung oder Entsorgung explodieren. Die Batterie nicht: • mit Wasser in Berührung bringen. ThinkCentre E93z Hardware Maintenance Manual...
  • Page 23 • über 100 C erhitzen. • reparieren oder zerlegen. Die örtlichen Bestimmungen für die Entsorgung von Sondermüll beachten. ACHTUNG: Bei der Installation von Lasergeräten (wie CD-ROM-Laufwerken, DVD- aufwerken, Einheiten mit Lichtwellenleitertechnik oder Sendern) Folgendes beachten: • Die Abdeckungen nicht entfernen. Durch Entfernen der Abdeckungen des Lasergeräts können gefährliche Laserstrahlungen freigesetzt werden.
  • Page 24 ThinkCentre E93z Hardware Maintenance Manual...
  • Page 25 Chapter 2 Safety information...
  • Page 26 • Riscaldarla ad una temperatura superiore ai 100 gradi C (212 gradi F) • Smontarla, ricaricarla o tentare di ripararla Le batterie usate vanno smaltite in accordo alla normativa in vigore (DPR 915/82 e successive disposizioni e disposizioni locali). ThinkCentre E93z Hardware Maintenance Manual...
  • Page 27 ATTENZIONE: Quando vengono installati prodotti laser (quali CD-ROM, unità DVD-ROM, unità a fibre ottiche o trasmittenti), tener presente quanto segue: • Non rimuovere gli sportelli. L'apertura di un'unità laser può determinare l'esposizione a radiazioni laser pericolose. All'interno dell'unità non vi sono parti su cui effettuare l'assistenza tecnica. •...
  • Page 28 ThinkCentre E93z Hardware Maintenance Manual...
  • Page 29 PELIGRO La corriente eléctrica procedente de cables de alimentación, teléfonos y cables de comunicación puede ser peligrosa. Para evitar el riesgo de descarga eléctrica: • No conecte ni desconecte los cables ni realice ninguna tarea de instalación, mantenimiento o reconfiguración de este producto durante una tormenta eléctrica. •...
  • Page 30 • No quite las cubiertas. Si quita las cubiertas del producto láser, podría quedar expuesto a radiación láser peligrosa. Dentro del dispositivo no existe ninguna pieza que requiera servicio técnico. • Si usa controles o ajustes o realiza procedimientos que no sean los especificados aquí, podría exponerse a radiaciones peligrosas. PELIGRO ThinkCentre E93z Hardware Maintenance Manual...
  • Page 31 Algunos productos láser tienen incorporado un diodo láser de clase 3A o clase 3B. Tenga en cuenta lo siguiente: Cuando se abre, queda expuesto a radiación láser. No mire directamente al rayo láser, ni siquiera con instrumentos ópticos, y evite exponerse directamente al rayo láser. ≥18 kg ≥32 kg ≥55 kg...
  • Page 32 ThinkCentre E93z Hardware Maintenance Manual...

  • Page 33: Chapter 3. General Information

    Chapter 3. General information This chapter provides general information that applies to all machine types supported by this publication. © Copyright Lenovo 2013, 2014...

  • Page 34: Specifications

    Maximum: 240 V ac Input frequency range: 50/60 Hz Lenovo programs Your computer comes with Lenovo programs to help you work more easily and securely. Depending on the Windows operating system preinstalled, the programs might vary. ThinkCentre E93z Hardware Maintenance Manual...

  • Page 35: Accessing Lenovo Programs On The Windows 7 Operating System

    Control Panel. The icon name displayed in the search result or Control Panel might be different from the program name. You can find the program by its program name or icon name as shown in the Lenovo programs available on the Windows 7 operating system table.

  • Page 36: Accessing Lenovo Programs On The Windows 8 Or Windows 8.1 Operating System

    • On the Windows 8.1 operating system, press the Windows key to go to the Start screen. Click a Lenovo program to launch it. If you cannot find the program you need, click the arrow icon in the bottom-left corner of the screen to go to the Apps screen. Find the desired program in the apps list or search for it in the search box in the top-right corner of the screen.

  • Page 37: Chapter 4. General Checkout

    Service Support and Engineering functions. • Machine type and model • Processor or hard disk drive upgrades • Failure symptom – Do diagnostics indicate a failure? – What, when, where, single, or multiple systems? – Is the failure repeatable? © Copyright Lenovo 2013, 2014...
  • Page 38 7. Have the same configuration options set in the system 8. Have the same setup for the operating system control files Comparing the configuration and software set-up between “working and non-working” systems will often lead to problem resolution. ThinkCentre E93z Hardware Maintenance Manual...

  • Page 39: Chapter 5. Troubleshooting And Diagnostics

    Chapter 5. Troubleshooting and diagnostics This chapter provides information about diagnosing and troubleshooting computer problems. If your computer problem is not described here, see “Lenovo Support Web site” on page 32 for additional troubleshooting resources. Basic troubleshooting The following table provides information to help you troubleshoot your computer problems.

  • Page 40: Accessing Control Panel On The Windows 8 Or Windows 8.1 Operating System

    To restore a captured configuration, do the following: • For Windows 7: Click Start ➙ Control Panel ➙ System and Security ➙ System ➙ System Protection ➙ System Restore. ThinkCentre E93z Hardware Maintenance Manual...

  • Page 41: Troubleshooting

    • If the diagnostic program detects a hardware failure, contact the Lenovo Customer Support Center. See “Lenovo Support Web site” on page 32 for more information. • If you are unable to run the diagnostic program, contact the Lenovo Customer Support Center. See “Lenovo Support Web site” on page 32 for more information.
  • Page 42 • Verify that the audio device drivers are correctly installed. See Microsoft Windows help system for more information. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 43: Cd Problems

    Refer to the documentation that comes with the application or game for instructions on setting sound-card settings. • If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 44: Dvd Problems

    Note that on some models the startup sequence is permanently set and cannot be changed. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 45: Intermittent Problems

    • Use the DVD menu for the video to select a different audio track. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 46: Keyboard, Mouse, Or Pointing Device Problems

    If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See “Lenovo Solution Center” on page 53. If you need technical assistance, see “Lenovo Support Web site” on page 32. "No Operating System Found" message or the system not starting from the correct hard disk drive Symptom: "No Operating System Found"...
  • Page 47 • If you are using a USB keyboard or mouse, verify that the USB connectors are enabled in the BIOS settings. See “Enabling or disabling a device” on page 57. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 48: Monitor Problems

    • “The monitor works when you turn on the computer, but goes blank when you start some application programs” on page 45 • “The image appears to be flickering” on page 45 • “The image is discolored” on page 46 ThinkCentre E93z Hardware Maintenance Manual...
  • Page 49 If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 50: Networking Problems

    • See your operating system documentation or help for further information on monitor settings. If these actions do not correct the problem, your monitor might need service. See “Lenovo Support Web site” on page 32 for details.
  • Page 51 • You are using the correct device driver. On the Windows 7 operating system, do the following: 1. Click Start ➙ Control Panel. 2. Click Hardware and Sound. 3. Click Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

  • Page 52: Option Problems

    6. Click OK to close the Sound window. Note: Bluetooth is supported only on some computer models. Option problems Use this information to diagnose problems with Lenovo hardware options that do not have their own troubleshooting information. Select your symptom from the following list: •...

  • Page 53: Performance And Lockup Problems

    See the documentation supplied with the adapter (as well as the documentation for any other installed adapters) to determine the resources required for each adapter. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 32.
  • Page 54 1. Close any programs that are currently running and close any open windows. 2. Click Start ➙ Computer. 3. Right-click your C drive entry and then click Properties. 4. Click the Tools tab. 5. Click Defragment Now, then click Continue. ThinkCentre E93z Hardware Maintenance Manual...

  • Page 55: Printer Problems

    32. For step-by-step instructions on installing memory, see “Installing or replacing a memory module” on page 107. If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 53 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 56: Software Problems

    • Ensure that the serial-port adapter, if you added one, is properly installed and firmly seated. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 57: Usb Problems

    • Reset the device by detaching and reattaching the USB connector. If these actions do not correct the problem, run the Lenovo Solution Center program to test the USB connector. If the USB device came with its own diagnostics, run those diagnostics against the USB device.

  • Page 58: Uefi Diagnostic Program

    Note: If you are unable to isolate and repair the problem yourself after running the program, save and print the log files. You will need the log files when you speak to a Lenovo technical support representative. UEFI diagnostic program A UEFI diagnostic program is preinstalled on the computer.

  • Page 59: Chapter 6. Using The Setup Utility Program

    Using passwords By using the Setup Utility program, you can set passwords to prevent unauthorized access to your computer and data. The following types of passwords are available: • Power-On Password © Copyright Lenovo 2013, 2014...

  • Page 60: Password Considerations

    Note: A password can be any combination of up to 64 alphabetic and numeric characters. For more information, see “Password considerations” on page 56. Erasing lost or forgotten passwords (clearing CMOS) This section provides instructions on how to erase lost or forgotten passwords, such as a user password. ThinkCentre E93z Hardware Maintenance Manual...

  • Page 61: Enabling Or Disabling A Device

    To erase a lost or forgotten password, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2.

  • Page 62: Selecting Or Changing The Startup Device Sequence

    59. Enabling ErP LPS compliance mode Lenovo computers meet the eco-design requirements of the ErP Lot 3 regulation. For more information, go http://www.lenovo.com/ecodeclaration You can enable the energy-related products directive (ErP) lowest power state (LPS) compliance mode in the Setup Utility program to reduce the consumption of electricity when your computer is in sleep or off mode.

  • Page 63: Changing The Bios Settings Before Installing A New Operating System

    2. From the Setup Utility program main menu, select Power ➙ After Power Loss, and press Enter. 3. Select Power On and press Enter. 4. Press F10 to save changes and exit the Setup Utility program. Press Enter when prompted to confirm the exit.
  • Page 64 ThinkCentre E93z Hardware Maintenance Manual...

  • Page 65: Chapter 7. Symptom-To-Fru Index

    Check the power cord for continuity. Power cord Check the power-on switch for continuity. Power-on switch Beep symptoms Beep symptoms are tones or a series of tones separated by pauses (intervals without sound) during POST. © Copyright Lenovo 2013, 2014...

  • Page 66: Post Error Codes

    Press F10 to exit. 0662 This error message is displayed when Configuration change has occurred a floppy drive change has been made. Press F10 to exit. ThinkCentre E93z Hardware Maintenance Manual...

  • Page 67: Miscellaneous Error Conditions

    Error code POST error message Description/Action 1820 More than one external fingerprint If more than one external fingerprint reader are attached. Power off and reader are connected to a computer, remove all but the reader that you set this error message will be displayed up within your main operating system.
  • Page 68 RPL computer does not RPL from server 1. Check startup sequence. 2. Check the network adapter LED status. Serial or parallel port device failure (system board port) 1. External Device Self-Test OK? 2. External Device 3. Cable 4. System Board ThinkCentre E93z Hardware Maintenance Manual...

  • Page 69: Undetermined Problems

    Message/Symptom FRU/Action Serial or parallel port device failure (adapter port) 1. External Device Self-Test OK? 2. External Device 3. Cable 4. Alternate Adapter 5. System Board 1. Keyboard Some or all keys on the keyboard do not work 2. Keyboard Cable 3.
  • Page 70 ThinkCentre E93z Hardware Maintenance Manual...

  • Page 71: Chapter 8. Locations

    Integrated camera shield control slider Integrated camera Integrated microphones Monitor mode / computer mode indicator Power-on indicator Internal speakers Combo audio jack (support headset and Microphone) Always On USB 3.0 connector USB 3.0 connector Card reader slot © Copyright Lenovo 2013, 2014...
  • Page 72 • Memory Stick (MS) • MS PRO • MultiMediaCard (MMC) • MultiMediaCard-mobile (MMC-mobile) • MultiMediaCard-plus (MMC-plus) • Reduced-Size MultiMediaCard (RS-MMC) • Secure Digital (SD) card • Secure Digital eXtended-Capacity (SDXC) card • Secure Digital High-Capacity (SDHC) card ThinkCentre E93z Hardware Maintenance Manual...

  • Page 73: Locating Connectors On The Rear Of Your Computer

    Locating connectors on the rear of your computer Figure 2 “Rear connector locations” on page 69 shows the locations of the connectors on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer.

  • Page 74: Locating Major Frus And Crus

    Figure 3 “Locating major FRUs and CRUs” on page 71 shows the locations of the major FRUs and CRUs in the computer. To remove the computer cover, see “Removing the computer cover” on page 79. ThinkCentre E93z Hardware Maintenance Manual...
  • Page 75 Figure 3. Locating major FRUs and CRUs The following table lists the major FRUs shown in Figure 3 “Locating major FRUs and CRUs” on page 71 and identifies which FRUs are also self-service CRUs or optional-service CRUs. Chapter 8 Locations...

  • Page 76: Looking Up Fru Information

    Converter board Microprocessor fan Optical drive ® VESA mount bracket Integrated camera Keyboard Mouse Looking up FRU information For detailed FRU information, such as the FRU part numbers and supported computer models, go to: http:/www.lenovo.com/serviceparts-lookup ThinkCentre E93z Hardware Maintenance Manual...

  • Page 77: Locating Parts On The System Board

    Locating parts on the system board Figure 4 “Locations of the parts and connectors on the system board” on page 73 shows the locations of the parts and connectors on the system board. Figure 4. Locations of the parts and connectors on the system board WI-FI connector Integrated camera cable connector LCD panel connector (LVDS connector)
  • Page 78 ThinkCentre E93z Hardware Maintenance Manual...

  • Page 79: Chapter 9. Replacing Frus

    . Carefully loosen the screw that secures the frame stand. Then, lift the frame stand up to remove it from the computer. Note: The screw cannot be removed from the frame stand. Figure 5. Removing the frame stand © Copyright Lenovo 2013, 2014...

  • Page 80: Removing And Reinstalling The Monitor Stand

    4. Place a soft, clean towel or cloth on the desk or flat surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. ThinkCentre E93z Hardware Maintenance Manual...

  • Page 81: Removing And Reinstalling The Transformer Stand

    5. Remove the two rubber blocks that protect the screws . Carefully loosen the two screws that secure the monitor stand. Then, lift the monitor stand up to remove it from the computer. Figure 7. Removing the monitor stand 6. To reinstall the monitor stand, insert the two tabs on the monitor stand into the corresponding holes in the chassis and lower down the monitor stand as shown.
  • Page 82 5. Push the release button toward the top of the computer as shown. Then, lift the transformer stand up to remove it from the computer. Figure 9. Removing the transformer stand ThinkCentre E93z Hardware Maintenance Manual...

  • Page 83: Removing The Computer Cover

    6. To reinstall the transformer stand, insert the two tabs on the transformer stand into the corresponding holes in the chassis. Then, push the release button toward the top of the computer and lower down the transformer stand at the same time. Release the release button to secure the transformer stand on the computer.

  • Page 84: Replacing The Feet

    3. Remove the computer cover. See “Removing the computer cover” on page 79. 4. Locate the feet. See “Locating major FRUs and CRUs” on page 70. ThinkCentre E93z Hardware Maintenance Manual...
  • Page 85 5. Remove the two screws that secure the feet. Then remove the feet from the computer. Figure 12. Removing the feet 6. Align the feet with the corresponding holes. Install the two screws to secure the feet. Figure 13. Installing the feet Chapter 9 Replacing FRUs...

  • Page 86: Replacing The Hard Disk Drive

    5. Remove the screw that secures the hard disk drive assembly. Slide the hard disk drive assembly as shown. Figure 14. Removing the hard disk drive assembly 6. Disconnect the cables from the hard disk drive. ThinkCentre E93z Hardware Maintenance Manual...
  • Page 87 7. Remove the four screws on the hard disk drive bracket. Then slide the hard disk drive out of the hard disk drive bracket. Note: Do not touch the circuit board on the bottom of the hard disk drive. Figure 15. Removing the hard disk drive from the hard disk drive bracket 8.

  • Page 88: Replacing The Optical Drive

    3. Remove the computer cover. See “Removing the computer cover” on page 79. 4. Locate the optical drive. See “Locating major FRUs and CRUs” on page 70. ThinkCentre E93z Hardware Maintenance Manual...

  • Page 89: Removing And Reinstalling The System Board Shield

    5. Remove the screw that secures the optical drive. Then slide the optical drive as shown to disconnect it from the cable and remove it out of the computer. Figure 18. Removing the optical drive 6. Slide the new optical drive into the optical drive bay until the new optical drive cable is connected to the cable and secured in place.
  • Page 90 5. Remove the three screws that secure the system board shield. Slide the system board shield outward slightly, and then lift the system board shield off the computer. Figure 20. Removing the system board shield ThinkCentre E93z Hardware Maintenance Manual...

  • Page 91: Removing And Reinstalling The Vesa Mount Bracket

    6. Align the tabs on the system board shield with the corresponding slots in the chassis. Then carefully position the system board shield onto the chassis by inserting each tab into the corresponding slot. Figure 21. Positioning the system board shield onto the chassis 7.
  • Page 92 5. Remove the system board shield. See “Removing and reinstalling the system board shield” on page 85. 6. Remove the three screws that secure the VESA mount bracket, and then lift the VESA mount bracket off the computer. Figure 23. Removing the VESA mount bracket ThinkCentre E93z Hardware Maintenance Manual...

  • Page 93: Replacing The Rear I/O Assembly

    7. To reinstall the VESA mount bracket, position the VESA mount bracket onto the computer so that the screw holes in the VESA mount bracket are aligned with those in the computer. Reinstall the three screws to secure the VESA mount bracket to the computer. Figure 24.
  • Page 94 7. Release the HDMI cable clip as shown, and then disconnect the HDMI cable from the rear I/O assembly. Release the USB cable from the connector on the rear I/O assembly. Figure 26. Disconnecting the HDMI and USB cables ThinkCentre E93z Hardware Maintenance Manual...
  • Page 95 8. Disconnect the power cable from the power cable . Remove the screw to disconnect the earth wire from the chassis. Then remove the rear I/O assembly from the computer. Figure 27. Removing the rear I/O assembly 9. To reinstall the new rear I/O assembly, reconnect the power cable and the power cable .
  • Page 96 Install the two screws to secure the rear I/O assembly to the computer. Figure 30. Installing the rear I/O assembly 12. Install the VESA mount bracket. See “Removing and reinstalling the VESA mount bracket” on page 87. ThinkCentre E93z Hardware Maintenance Manual...

  • Page 97: Replacing The Power Supply Assembly

    Replacing the power supply assembly Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter 2 “Safety information” on page 3. This section provides instructions on how to replace the power supply assembly. To replace the power supply assembly, do the following: 1.
  • Page 98 7. Disconnect the power supply cable from the system board. Remove the three screws that secure the power supply assembly and then lift the power supply assembly off the computer. Figure 32. Removing the power supply assembly ThinkCentre E93z Hardware Maintenance Manual...
  • Page 99 8. Position the new power supply assembly on the chassis so that the three screw holes in the new power supply assembly are aligned with the corresponding holes in the chassis. Install the three screws secure the power supply assembly. Figure 33.

  • Page 100: Replacing The Microprocessor Fan

    5. Remove the VESA mount bracket. See “Removing and reinstalling the VESA mount bracket” on page 87. 6. Note the routing of the microprocessor fan cable, and then disconnect the microprocessor fan cable from the system board. See “Locating parts on the system board” on page 73. ThinkCentre E93z Hardware Maintenance Manual...
  • Page 101 7. Remove the three screws that secure the microprocessor fan to the main bracket. Then, lift the microprocessor fan off the main bracket. Figure 35. Removing the microprocessor fan 8. Position the microprocessor fan onto the main bracket so that the screw holes in the microprocessor fan are aligned with those in the main bracket.

  • Page 102: Replacing The Heat Sink Assembly

    Note: Carefully loosen the four screws from the system board to avoid any possible damage to the system board. The four screws cannot be removed from the heat sink assembly. Figure 37. Loosening the four screws that secure the heat sink assembly ThinkCentre E93z Hardware Maintenance Manual...

  • Page 103: Replacing The Microprocessor

    7. Lift the failing heat sink assembly off the system board. Notes: a. You might have to gently twist the heat sink assembly to free it from the microprocessor. b. Do not touch the thermal grease while handling the heat sink assembly. 8.
  • Page 104 • Touch only the edges of the microprocessor. Do not touch the gold contacts on the bottom. • Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be kept as clean as possible. Figure 40. Removing the microprocessor ThinkCentre E93z Hardware Maintenance Manual...

  • Page 105: Replacing The Card Reader

    8. Ensure that the small handle is in the raised position and the microprocessor retainer is fully open. 9. Remove the protective cover that protects the gold contacts of the new microprocessor. 10. Note the orientation of the new microprocessor. Hold the new microprocessor by its edges and align the notches on it with the tabs in the microprocessor socket.
  • Page 106 Figure 43. Installing the card reader 9. Connect the cable of the new card reader to the system board. See “Locating parts on the system board” on page 73. ThinkCentre E93z Hardware Maintenance Manual...

  • Page 107: Replacing The Gpu Fan

    10. Install the system board shied. See “Removing and reinstalling the system board shield” on page 85. Replacing the GPU fan Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter 2 “Safety information” on page 3. This section provides instructions on how to replace the graphics processing unit (GPU) fan.

  • Page 108: Replacing The Battery

    To replace the battery, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. ThinkCentre E93z Hardware Maintenance Manual...

  • Page 109: Replacing The Converter Board

    2. Place a soft, clean towel or cloth on the desk or other flat surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. 3.
  • Page 110 6. Remove the two screws that secure the converter board to the main bracket. Disconnect the cables from the converter board, and then lift the converter board off the computer. Figure 48. Removing the converter board ThinkCentre E93z Hardware Maintenance Manual...

  • Page 111: Installing Or Replacing A Memory Module

    7. Connect the cables to the new converter board. Position the new converter board on the chassis so that the two screw holes in the new converter board are aligned with those in the computer. Install the two screws to secure the new converter board to the main bracket. Figure 49.

  • Page 112: Replacing The Internal Speakers

    Replacing the internal speakers Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter 2 “Safety information” on page 3. This section provides instructions on how to replace the internal speakers. ThinkCentre E93z Hardware Maintenance Manual...
  • Page 113 To replace the internal speakers, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2.

  • Page 114: Replacing The Integrated Camera

    6. Note the routing of the integrated camera cable, and then disconnect the cable from the system board. See “Locating parts on the system board” on page 73. 7. Remove the two screws that secure the integrated camera to remove the integrated camera from the computer. Figure 54. Removing the integrated camera ThinkCentre E93z Hardware Maintenance Manual...

  • Page 115: Replacing The System Board

    8. Position the new integrated camera so that the two screw holes in the new integrated camera are aligned with those in the front bezel. Install the two screws to secure the new integrated camera to the front bezel. Figure 55. Installing the integrated camera 9.
  • Page 116 Figure 56. Removing the six screws that secure the system board 16. Place the new system board into the chassis and align the screw holes in the new system board with those in the chassis. ThinkCentre E93z Hardware Maintenance Manual...
  • Page 117 17. Install the six screws to secure the new system board in place. Figure 57. Installing the six screws that secure the system board to the main bracket 18. Reinstall the rear I/O assembly. See “Replacing the rear I/O assembly” on page 89. 19.

  • Page 118: Replacing The Lcd Panel Assembly

    5. Remove the optical drive. See “Replacing the optical drive” on page 84. 6. Remove the converter board. See “Replacing the converter board” on page 105. 7. Remove the feet. See “Replacing the feet” on page 80. ThinkCentre E93z Hardware Maintenance Manual...
  • Page 119 8. Disconnect the LCD panel cable from the system board. Figure 59. Disconnecting the LCD panel cable from the system board 9. Remove the 12 screws that secure the bracket frame to the main bracket. Figure 60. Removing the 12 screws that secure the bracket frame to the main bracket 10.
  • Page 120 Figure 62. Installing the four screws to secure the LCD panel assembly 14. Position the bracket frame over the main bracket. Ensure that the screw holes in the main bracket are aligned with those in the bracket frame. ThinkCentre E93z Hardware Maintenance Manual...
  • Page 121 15. Reinstall the 12 screws to secure the bracket frame to the main bracket. Figure 63. Installing the 12 screws to secure the bracket frame to the main bracket 16. Connect the cable of the LCD panel to the system board. See “Locating parts on the system board” on page 73.

  • Page 122: Replacing The Wi-Fi Card

    6. Disconnect the two cables from the Wi-Fi card, and then carefully remove the screw that secures the Wi-Fi card to the system board. Figure 65. Disconnecting cables and removing the screw from the Wi-Fi card ThinkCentre E93z Hardware Maintenance Manual...
  • Page 123 7. Pivot the Wi-Fi card upward and lift the Wi-Fi card out of the mini PCI Express slot. Figure 66. Removing the Wi-Fi card 8. Insert the notched end of the new Wi-Fi card into the mini PCI Express slot. Press the new Wi-Fi card firmly, and then pivot the Wi-Fi card downward to align the screw hole in the new Wi-Fi card with that in the system board.

  • Page 124: Replacing The Keyboard Or Mouse

    “Locating connectors, controls, and indicators on the front of your computer” on page 67 or “Locating connectors on the rear of your computer” on page 69. Figure 69. Connecting the USB keyboard or mouse ThinkCentre E93z Hardware Maintenance Manual...

  • Page 125: Replacing The Wireless Keyboard

    Replacing the wireless keyboard To replace the wireless keyboard, do the following: 1. Take away your failing wireless keyboard. 2. Remove the new wireless keyboard from the package. 3. Install the keyboard by opening the battery compartment cover and installing two AAA batteries according to the polarity indicators.
  • Page 126 • Push the power switch to the off position when you are not using the mouse. This extends the battery life. • Disconnect the USB dongle from your computer and store it in the wireless mouse compartment or in the wireless keyboard compartment when not in use. ThinkCentre E93z Hardware Maintenance Manual...

  • Page 127: Completing The Parts Replacement

    Setup Utility program. Refer to Chapter 6 “Using the Setup Utility program” on page 55. Note: In most areas of the world, Lenovo requires the return of the defective Customer Replaceable Unit (CRU). Information about this will come with the CRU or will come a few days after the CRU arrives.
  • Page 128 ThinkCentre E93z Hardware Maintenance Manual...

  • Page 129: Chapter 10. Additional Service Information

    – Start the Setup Utility. – select Main ➙ BIOS Revision Level. • Sources for obtaining the latest level BIOS available 1. Lenovo support web site: http://www.lenovo.com/support/ 2. Lenovo Customer Support Center 3. Levels 1 and 2 Support To update (flash) the BIOS, see “Flash update procedures” on page 125.

  • Page 130: Updating (Flashing) The Bios From A Disc

    Note: You can download a self-starting bootable disc image (known as an ISO image) with the system program updates to create a system-program-update disc. Go to http://www.lenovo.com/support. To update (flash) the BIOS from a disc on the Windows 8 (64-bit) or Windows 8.1 (64-bit) operating system, do the following: 1.

  • Page 131: Updating (Flashing) The Bios From Your Operating System

    Updating (flashing) the BIOS from your operating system Note: Because Lenovo makes constant improvements to its Web sites, the Web page contents are subject to change without notice, including the contents referenced in the following procedure. To update (flash) the BIOS from your operating system, do the following: 1.

  • Page 132: Power Management

    • For Windows 8.1: Click Choose what the power button does. 4. In the Shutdown setting section, clear Turn on fast startup. Note: If the settings are unavailable, click Change settings that are currently unavailable. 5. Click Save changes. ThinkCentre E93z Hardware Maintenance Manual...

  • Page 133: Appendix A. Notices

    Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.

  • Page 134: Television Output Notice

    Macrovision Corporation. Reverse engineering or disassembly is prohibited. European conformance CE mark Trademarks The following terms are trademarks of Lenovo in the United States, other countries, or both: Lenovo The Lenovo logo Rescue and Recovery...

  • Page 135: Index

    Ethernet connector mouse, replacing exiting, Setup Utility notice, television output notices failure, recovering from POST/BIOS feet, replacing frame stand removing frame stand, reinstalling optical drive, replacing © Copyright Lenovo 2013, 2014...
  • Page 136 LCD panel assembly viewing and changing settings microprocessor fan power supply assembly rear I/O assembly system board Wi-Fi card Wi-Fi card, replacing security enabling or disabling selecting startup device temporary startup device Self-service CRUs setting password ThinkCentre E93z Hardware Maintenance Manual...

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