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Lenovo ThinkCentre M93z Hardware Maintenance Manual

Machine types: 10ac, 10ad, 10ae and 10af
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ThinkCentre M93z
Hardware Maintenance Manual
Machine Types: 10AC, 10AD, 10AE and 10AF

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Summary of Contents for Lenovo ThinkCentre M93z

  • Page 1 ThinkCentre M93z Hardware Maintenance Manual Machine Types: 10AC, 10AD, 10AE and 10AF...
  • Page 2 “Safety information” on page 3 and Appendix A “Notices” on page 133. Second Edition (December 2013) © Copyright Lenovo 2013. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.

  • Page 3: Table Of Contents

    Enabling ErP compliance mode ..Lenovo Support Web site ..ICE performance mode ...
  • Page 4 Replacing the battery ..Index....Replacing the power supply assembly . . . ThinkCentre M93z Hardware Maintenance Manual...

  • Page 5: Chapter 1. About This Manual

    This manual is intended only for trained service personnel who are familiar with Lenovo computer products. 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 129 are not specific to any machine type.
  • Page 6 ThinkCentre M93z Hardware Maintenance Manual...

  • Page 7: Chapter 2. Safety Information

    Observe the following rules when working on electrical equipment. © Copyright Lenovo 2013...
  • Page 8 (This practice ensures correct grounding of the units.) • If an electrical accident occurs: – Use caution; do not become a victim yourself. – Switch off power. – Send another person to get medical aid. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 9: Safety Inspection Guide

    Safety inspection guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products. Each machine, as it was designed and built, had required safety items installed to protect users and service personnel from injury. This guide addresses only those items. However, good judgment should be used to identify potential safety hazards due to attachment of features or options not covered by this inspection guide.

  • Page 10: Grounding Requirements

    The caution and danger safety notices in this section are provided in the following languages: • English • Arabic • Brazilian/Portuguese • Chinese (simplified) • Chinese (traditional) • French • German • Hebrew • Italian • Korean • Spanish ThinkCentre M93z Hardware Maintenance Manual...
  • Page 11 DANGER Electrical current from power, telephone and communication cables is hazardous. To avoid a shock hazard: • 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. •...
  • 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 M93z 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 M93z 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 M93z Hardware Maintenance Manual...
  • Page 17 Chapter 2 Safety information...
  • Page 18 ThinkCentre M93z 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 M93z 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 M93z 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 M93z 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 M93z 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 M93z 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 M93z 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 M93z Hardware Maintenance Manual...

  • Page 33: Chapter 3. General Information

    Storage: -15.2 to 10 668 m (-50 to 35 000ft) Electrical input • Input voltage: – Low range: Minimum: 100 V ac Maximum: 127 V ac Input frequency range: 50 or 60 Hz – High range: Minimum: 200 V ac Maximum: 240 V ac © Copyright Lenovo 2013...

  • Page 34: Lenovo Programs

    Note: If you do not find the program you need in Control Panel, open the Lenovo ThinkVantage Tools program navigation window and double-click the dimmed icon to install the program you need. Then, follow the instructions on the screen.

  • Page 35: 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 36 • Drivers and software • Diagnostic solutions • Product and service warranty • Product and parts details • User guides and manuals • Knowledge base and frequently asked questions ThinkCentre M93z Hardware Maintenance Manual...

  • 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...
  • 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 M93z Hardware Maintenance Manual...

  • Page 39: Chapter 5. Troubleshooting And Diagnostics

    Chapter 5. Troubleshooting and diagnostics This chapter describes some basic troubleshooting and diagnostic programs. If your computer problem is not described here, see “Lenovo Support Web site” on page 31 for additional troubleshooting resources. Basic troubleshooting The following table provides information to help you troubleshoot your computer problems.

  • Page 40: Troubleshooting Procedure

    • If the diagnostic program detects a hardware failure, contact the Lenovo Customer Support Center. See “Lenovo Support Web site” on page 31 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 31 for more information.

  • Page 41: Troubleshooting

    Troubleshooting Use the troubleshooting information to find solutions to problems that have definite symptoms. If the symptom your computer is experiencing occurred immediately after you installed a new hardware option or new software, do the following before referring to the troubleshooting information: 1.

  • Page 42: 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 diagnostic programs (see “Lenovo Solution Center” on page 53 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 31.

  • Page 43: 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 diagnostic programs (see “Lenovo Solution Center” on page 53 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 31.
  • Page 44 • Try a lower screen resolution or color depth. 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 31.

  • Page 45: Intermittent 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 31. "No Operating System Found" message or the system not starting from the correct hard disk drive Symptom: "No Operating System Found"...

  • 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 31. Keyboard, mouse, or pointing device problems Select your symptom from the following list: •...

  • Page 47: The Fingerprint Reader Does Not Work

    See “Enabling or disabling a device” on page 57. 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 31.

  • Page 48: Monitor Problems

    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 31.

  • Page 49: Networking Problems

    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 31. The image appears to be flickering Symptom: The image appears to be flickering.

  • Page 50: Ethernet Problems

    If you configured the adapter for full duplex, ensure that the switch port is also configured for full duplex. Setting the wrong duplex mode can degrade performance, cause data loss, or result in lost connections. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 51: A Wireless Lan Problem

    • You have installed all networking software that is necessary for your network environment. Check with your LAN administrator for the necessary networking software. The adapter stops working for no apparent reason Symptom: The adapter stops working for no apparent reason. Action: The network driver files may be corrupt or missing.

  • Page 52: Option Problems

    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 31.

  • Page 53: Performance And Lockup Problems

    • Verify that the option and any required device drivers are installed correctly. 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 31.

  • Page 54: Insufficient Memory

    In general, the more memory that is installed, the better the Windows operating system runs. Action: Install additional memory. For information about purchasing memory, see “Lenovo Support Web site” on page 31. For step-by-step instructions on installing memory, see “Installing or replacing a memory module”...

  • Page 55: Printer Problems

    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 31. Printer problems Symptom: The printer does not work.

  • Page 56: Usb Problems

    • If you are unable to resolve the problem through other methods, uninstall the software program and reinstall it. If these actions do not correct the problem, you might need technical assistance. Contact your software manufacturer or see “Lenovo Support Web site” on page 31 for details. USB problems Symptom: The USB connectors cannot be accessed.

  • Page 57: Diagnostics

    For additional information, refer to the Lenovo Solution Center help system. 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. Chapter 5...
  • Page 58 ThinkCentre M93z Hardware Maintenance Manual...

  • Page 59: Copyright Lenovo

    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...

  • Page 60: Password Considerations

    • If the Hard Disk Password is forgotten, there is no way to reset the password or recover data from the hard disk drive. Setting, changing, and deleting a password To set, change, or delete a password, do the following: 1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 55. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 61: Erasing Lost Or Forgotten Passwords (Clearing Cmos)

    2. From the Setup Utility program main menu, select Security. 3. Depending on the password type, select Set Power-On Password, Set Administrator Password, or Hard Disk Password. 4. Follow the instructions on the right side of the screen to set, change, or delete a password. Note: A password can be any combination of up to 64 alphabetic and numeric characters.

  • Page 62: Selecting A Startup Device

    • Enabling the wake up on alarm feature The wake up on alarm feature enables your computer to wake up at a set time. To enable the wake up on alarm feature, do the following: ThinkCentre M93z Hardware Maintenance Manual...

  • Page 63: Ice Performance Mode

    1. Start the Setup Utility program. 2. From the Setup Utility program main menu, select Power ➙ Automatic Power On, and press Enter. 3. Select Wake Up on Alarm and press Enter. Then follow the instructions on the screen. 4. Press F10 to save changes and exit the Setup Utility program. Press Enter when prompted to confirm the exit.

  • Page 64: Changing The Bios Settings Before Installing A New Operating System

    When the Reset Without Saving window shows, select Yes, and then press Enter to exit the Setup Utility program. • If you want to return to the default settings, press F9 to load the default settings, and then press F10 to save and exit the Setup Utility program. ThinkCentre M93z Hardware Maintenance Manual...

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

    • Microprocessor(s) connection 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...

  • Page 66: Post Error Codes

    0164 Memory size decreased Press F10 to exit. 1762 Configuration change has occurred This error message is displayed when a hard disk drive or optical drive change has been made. Press F10 to exit. ThinkCentre M93z 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 Serial 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. System Board ThinkCentre M93z Hardware Maintenance Manual...

  • Page 69: Undetermined Problems

    Undetermined problems This section provides instructions on how to find out the failing devices or adapters. 1. Power-off the computer. 2. Remove or disconnect the following components (if installed) one at a time. a. Any adapters b. Diskette drive c. External Cache d.
  • Page 70 ThinkCentre M93z Hardware Maintenance Manual...

  • Page 71: Chapter 8. Locations

    Volume-down control (computer mode) Ambient light sensor (optional) Monitor mode / computer mode switch Integrated camera activity indicator (optional) Power button Integrated camera shield control slider (optional) Power-on indicator Hard disk drive activity indicator Integrated camera (optional) © Copyright Lenovo 2013...

  • Page 72: Using Your Computer In Monitor Mode

    You can access the OSD in both computer mode and monitor mode. To access the OSD, press and hold the OSD enter button for three seconds. The following table shows each icon on the OSD main menu. Layer 1 icon Layer 1 icon name Brightness/Contrast Image Position Image Setup Image Properties ThinkCentre M93z Hardware Maintenance Manual...
  • Page 73 • Advanced Settings – Ctrl+Alt+Del: Displays the system restart menu. – Debug Mode: Displays the debug information after the computer restarts (only for Lenovo trained service personnel). Note: By default, this function is disabled to ensure that your computer can work properly.

  • Page 74: Locating Connectors On The Rear Of Your Computer

    PS/2 keyboard connector (optional) ExpressCard slot (optional) Serial connector (optional) Card reader slot (optional) Power cord connector USB 3.0 connector (USB port 2) (supporting USB charging) Security-lock slot Headset connector (also known as combo audio connector) ThinkCentre M93z Hardware Maintenance Manual...

  • Page 75: Locating Major Frus And Crus

    Ethernet connector Microphone connector DisplayPort-out connector USB 3.0 connector (USB port 1) Notes: • The headset connector supports a microphone-integrated headset and does not support a conventional microphone. • By default, the USB 3.0 connector enables you to charge some mobile digital devices and smartphones when your computer is in sleep mode, in hibernation mode, or turned off.
  • Page 76 Figure 3. Locating major FRUs and CRUs for models with the 23-inch display ThinkCentre M93z Hardware Maintenance Manual...
  • Page 77 The following table lists the major FRUs shown in Figure 3 “Locating major FRUs and CRUs for models with the 23-inch display” on page 72 and identifies which FRUs are also self-service CRUs or optional-service CRUs. Notes: • Self-service CRUs: These CRUs unplug or are secured by no more than two screws. Examples of these types of CRUs include the keyboard, the mouse, any USB device, and the power cord.

  • Page 78: Looking Up Fru Information

    Figure 4 “System board part locations” on page 74 shows the locations of the parts on the system board. Figure 4. System board part locations Microprocessor Rear I/O assembly slot Front LED connector Clear Complementary Metal Oxide Semiconductor (CMOS) /Recovery jumper ThinkCentre M93z Hardware Maintenance Manual...
  • Page 79 Battery Touch panel control board connector* Mini PCI Express x1 card slot Front control panel connector Integrated camera connector Serial connector Light sensor connector* Keyboard and mouse cable connector Memory slots (2) SATA power connector Management Engine (ME) disabled jumper SATA 3.0 connector (for connecting the hard disk drive) Thermal sensor connector Converter board power connector...

  • Page 80: Adjusting The Frame Stand

    Note: The frame stand is available only in some models. CAUTION: Ensure that the angle is at least 10° from the vertical; otherwise, the computer might be unstable and fall over. Figure 5. Adjusting the frame stand ThinkCentre M93z Hardware Maintenance Manual...

  • Page 81: Adjusting The Monitor Stand

    Adjusting the monitor stand Your computer might come with a monitor stand that you can use to adjust the computer to your comfortable position. The following illustration shows that you can adjust the position of the computer at an angle of 5° to the front and 45°...
  • Page 82 Figure 7. Adjusting the height of the monitor stand The following illustration shows that you can turn the computer at an angel of 45° to the left and 45°to the right. Figure 8. Turning the computer to the left or to the right ThinkCentre M93z Hardware Maintenance Manual...

  • Page 83: Machine Type And Model Label

    Machine type and model label The machine type and model label identifies your computer. When you contact Lenovo for help, the machine type and model information helps support technicians to identify your computer and provide faster service. The following is a sample of the machine type and model label.
  • Page 84 ThinkCentre M93z Hardware Maintenance Manual...

  • Page 85: Chapter 9. Replacing Frus

    Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1. Notes: 1. Use only computer parts provided by Lenovo. 2. When installing or replacing an option, use the appropriate instructions in this section along with the instructions that come with the option.

  • Page 86: Installing The Monitor Stand

    4. To install the monitor stand, align the two clips on the top of the monitor stand with the two holes in the chassis, and then press the release button toward the top of the computer until the monitor stand is secured in position. ThinkCentre M93z Hardware Maintenance Manual...
  • Page 87 Figure 11. Installing the monitor stand 5. After installing the monitor stand, pull up the computer to the vertical position and remove the monitor stand lock to adjust the height of the monitor stand. The monitor stand has a height adjustment range of 110 millimeters (4.33 inches).

  • Page 88: Removing The Computer Cover

    3. Disconnect the power cords, Input/Output cables, and any other cables that are connected to the computer. See “Locating connectors, controls, and indicators on the front of your computer” on page 67 and “Locating connectors on the rear of your computer” on page 70. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 89: Removing And Reinstalling The Frame Foot

    4. Remove any locking device that secures the computer cover, such as an a Kensington-style cable lock. 5. Place a soft, clean towel or cloth on the desk or 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. 6.

  • Page 90: Removing And Reinstalling The Rear I/O Assembly

    4. Locate the rear I/O assembly. See “Locating major FRUs and CRUs” on page 71. 5. Remove the screws that secure the rear I/O assembly to the chassis. Then, lift the rear I/O assembly upward to remove it from the rear I/O assembly slot. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 91: Installing Or Replacing A Memory Module

    Figure 15. Removing the rear I/O assembly 6. To reinstall the rear I/O assembly, align the screw holes in the rear I/O assembly with those in the chassis. Then, press the top of the rear I/O assembly downward until it snaps into place. 7.

  • Page 92: Replacing The Hard Disk Drive

    Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1. This section provides instructions on how to replace the hard disk drive. To replace the hard disk drive, do the following: ThinkCentre M93z Hardware Maintenance Manual...
  • Page 93 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. Place a soft, clean towel or cloth on the desk or 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.

  • Page 94: Replacing The Optical Drive

    4. Locate the optical drive. See “Locating major FRUs and CRUs” on page 71. 5. Press the optical drive release button toward the top of the computer and then slide the optical drive out of the optical drive bay. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 95: Replacing The Converter Board

    Figure 21. Removing the optical drive 6. To install a new optical drive, slide the new optical drive into the optical drive bay until it snaps into position. Figure 22. Installing the optical drive What to do next: • To work with another piece of hardware, go to the appropriate section. •...

  • Page 96: Replacing The Heat Sink

    This section provides instructions on how to replace the heat sink. CAUTION: The heat sink might be very hot. Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover. ThinkCentre M93z Hardware Maintenance Manual...
  • Page 97 To replace the heat sink, 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 98: Replacing The Microprocessor

    5. Remove the heat sink to gain access to the microprocessor. See “Replacing the heat sink” on page 92. Note: Place the heat sink on its side so that the thermal grease on the bottom of it does not get in contact with anything. ThinkCentre M93z Hardware Maintenance Manual...
  • Page 99 6. Lift the small handle and open the retainer to access the microprocessor Figure 25. Accessing the microprocessor 7. Lift the microprocessor straight up and out of the microprocessor socket. Figure 26. Removing the microprocessor Notes: a. Your microprocessor and socket might look different from the one illustrated. Chapter 9 Replacing FRUs...
  • Page 100 12. Close the microprocessor retainer and lock it into position with the small handle to secure the new microprocessor in the socket. 13. Reinstall the heat sink. See “Replacing the heat sink” on page 92. 14. Reconnect all cables that were disconnected from the system board. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 101: Replacing The Internal Speakers

    What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the replacement, go to “Completing the parts replacement” on page 127. Replacing the internal speakers Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1.

  • Page 102: Replacing The Thermal Sensor

    Figure 29. Removing the VESA mount bracket 7. Press the thermal sensor clips inward to disengage the thermal sensor from the VESA mount bracket. Note: The location of the thermal sensor in your computer might be slightly different from the illustration. ThinkCentre M93z Hardware Maintenance Manual...
  • Page 103 Figure 30. Removing the thermal sensor 8. To install a new thermal sensor, insert the new thermal sensor into the corresponding hole in the VESA mount bracket, and then press the thermal sensor towards the VESA mount bracket until it snaps into position.

  • Page 104: Replacing The Cover Presence Switch (Also Called Intrusion Switch)

    Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1. This section provides instructions on how to replace the cover presence switch. To replace the cover presence switch, do the following: ThinkCentre M93z Hardware Maintenance Manual...
  • Page 105 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. Place a soft, clean towel or cloth on the desk or 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.
  • Page 106 VESA mount bracket, and then press the cover presence switch towards the VESA mount bracket until it snaps into position. Note: The location of the cover presence switch in your computer might be slightly different from the illustration. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 107: Replacing The Integrated Camera

    Figure 34. Removing the cover presence switch 9. Connect the cover presence switch cable to the system board. See “Locating parts on the system board” on page 74. 10. Align the screw holes in the VESA mount bracket with those in the chassis, and then install the screws to secure the VESA mount bracket to the chassis.
  • Page 108 74. What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 127. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 109: Replacing The Wifi Card

    Replacing the WiFi card Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1. This section provides instructions on how to replace the WiFi card. Note: The WiFi card is available only in some models. To replace the WI-FI card, do the following: 1.

  • Page 110: Replacing The Ambient Light Sensor

    2. Place a soft, clean towel or cloth on the desk or 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. Remove the computer cover. See “Removing the computer cover” on page 84. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 111: Replacing The Card Reader

    4. Locate the ambient light sensor. See “Locating major FRUs and CRUs” on page 71. 5. Carefully remove the two screws that secure the ambient light sensor, and then lift the ambient light sensor out of the computer. Figure 38. Removing the ambient light sensor 6.

  • Page 112: Replacing The Msata Solid-State Drive Or Mini Pci Express X1 Card

    This section provides instructions on how to replace the mSATA solid-state drive or the mini PCI Express x1 card. Notes: • The mSATA solid-state drive or mini PCI Express x1 card is available only in some models. • Your computer can support mini PCI Express x1 card function with limitation. ThinkCentre M93z Hardware Maintenance Manual...
  • Page 113 To replace the mSATA solid-state drive or mini PCI Express x1 card, 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 Expresscard

    2. Place a soft, clean towel or cloth on the desk or 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 M93z Hardware Maintenance Manual...

  • Page 115: Replacing The Heat Sink And Fan Assembly For Gpu

    3. Remove the computer cover. See “Removing the computer cover” on page 84. 4. Locate the ExpressCard. See “Locating major FRUs and CRUs” on page 71. 5. Carefully remove the four screws that secure the ExpressCard to the system board, and then lift it off the system board.
  • Page 116 9. Follow this sequence to install the four screws to secure the heat sink and fan assembly for GPU, as shown in Figure 43 “Removing the heat sink and fan assembly for GPU” on page 112. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 117: Replacing The Rear Ps/2 Connectors And Serial Port Assembly

    a. Partially tighten screw , then fully tighten screw , and then fully tighten screw b. Partially tighten screw , then fully tighten screw , and then fully tighten screw 10. Connect the GPU fan cable to the system board. See “Locating parts on the system board” on page 74. What to do next: •...

  • Page 118: Replacing The Battery

    Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as parallel-port assignments (configuration). A battery keeps this information active when you turn off the computer. ThinkCentre M93z Hardware Maintenance Manual...
  • Page 119 The battery normally requires no charging or maintenance throughout its life; however, no battery lasts forever. If the battery fails, the date, time, and configuration information (including passwords) are lost. An error message is displayed when you turn on the computer. Refer to the “Lithium coin cell battery notice”...

  • Page 120: Replacing The Power Supply Assembly

    4. Locate the power supply assembly. See “Locating major FRUs and CRUs” on page 71. 5. Remove the VESA mount bracket and disconnect the cables of the power supply assembly from the system board. See “Replacing the thermal sensor” on page 98. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 121: Replacing The Microprocessor Fan

    6. Remove the screws to disengage the power cord connector and the power supply assembly from the chassis. Figure 47. Removing the power supply assembly 7. Align the screw holes in the new power cord connector with the corresponding ones in the chassis. Then, install the screws to secure the new power cord connector to the chassis.
  • Page 122 9. Reinstall the VESA mount bracket. See “Replacing the thermal sensor” on page 98. What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 127. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 123: Replacing The Lcd Panel

    Replacing the LCD panel Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1. This section provides instructions on how to replace the LCD panel. To replace the LCD panel, do the following: 1.

  • Page 124: Replacing The System Board

    5. Remove the rear I/O assembly to gain access to the system board. See “Removing and reinstalling the rear I/O assembly” on page 86. 6. Remove the heat sink. See “Replacing the heat sink” on page 92. ThinkCentre M93z Hardware Maintenance Manual...
  • Page 125 Note: Place the heat sink on its side so that the thermal grease on the bottom of it does not get in contact with anything. 7. Remove the microprocessor. See “Replacing the microprocessor” on page 94. 8. Remove the memory modules. See “Installing or replacing a memory module” on page 87. 9.
  • Page 126 2. Grasp the microprocessor on the sides and lift it straight up and out of the socket. Do not touch the contacts on the microprocessor socket. 3. Close the microprocessor retainer, and then lower the lever to secure the retainer. Ensure that the lever is locked into position. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 127: Replacing The Touch Panel Control Boards

    4. Note the orientation of the socket cover, and install one side of the socket cover into the microprocessor socket. Figure 53. Installing one side of the socket cover into the microprocessor socket Note: Your microprocessor socket and cover might look slightly different from the illustration. 5.

  • Page 128: Replacing The Power Switch And Control Button Board

    3. Remove the computer cover. See “Removing the computer cover” on page 84. 4. Locate the power switch and control button board. See “Locating major FRUs and CRUs” on page 71. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 129: Replacing The Wifi Antennas

    5. Note the power switch and control button board cable routing and disconnect the cable from the system board. See “Locating parts on the system board” on page 74. 6. Remove the LCD bracket. See “Replacing the LCD panel” on page 119. 7.
  • Page 130 8. Note the length of the new WiFi antennas cables and stick the new WiFi antennas to the chassis as shown. Then, connect the two cables of the new WiFi antennas to the WiFi card. ThinkCentre M93z Hardware Maintenance Manual...

  • Page 131: Completing The Parts Replacement

    Figure 57. Installing the WiFi antennas Notes: • The black cable should be connected to the lower WiFi card connector MAIN. The grey cable should be connected to the upper WiFi card connector AUX. • Ensure that the WiFi cables are routed correctly. Keep the WiFi cables clear of the hinges and sides of the computer chassis to avoid interference with reinstalling the computer cover.
  • Page 132 7. To update your configuration, 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 Field Replacement Units (FRUs). Information about this will come with the new FRUs or will come a few days after you receive the new FRUs.

  • Page 133: 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 129.

  • Page 134: 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 135: 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 136: 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 M93z Hardware Maintenance Manual...

  • Page 137: 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 138: 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 139: Index

    Setup Utility ExpressCard, replacing external options, installing notice, television output notices failure, recovering from POST/BIOS flashing the BIOS frame foot removing optical drive, replacing front optical mouse connectors, controls, indicators cleaning Optional-service CRUs © Copyright Lenovo 2013...
  • Page 140 (flashing) the BIOS replacing the power switch and control button board using replacing the touch panel control boards passwords Setup Utility security enabling or disabling viewing and changing settings ThinkCentre M93z Hardware Maintenance Manual...
  • Page 141 WiFi antenna, replacing WiFi card, replacing © Copyright Lenovo 2013...
  • Page 142 ThinkCentre M93z Hardware Maintenance Manual...

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