Lenovo ThinkCentre M73 10B0 Hardware Maintenance Manual
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Lenovo ThinkCentre M73 10B0 Hardware Maintenance Manual

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ThinkCentre M73
Hardware Maintenance Manual
Machine Types: 10B0, 10B1, 10B2, 10B3, 10B4, 10B5, 10B6, 10B7,
10AX, 10AY, 10DK, 10DL, 10DM, 10DN, 10HJ, 10HK, 10HL, and 10HM

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Summary of Contents for Lenovo ThinkCentre M73 10B0

  • Page 1 ThinkCentre M73 Hardware Maintenance Manual Machine Types: 10B0, 10B1, 10B2, 10B3, 10B4, 10B5, 10B6, 10B7, 10AX, 10AY, 10DK, 10DL, 10DM, 10DN, 10HJ, 10HK, 10HL, and 10HM...
  • Page 2 “Safety information” on page 3 and Appendix A “Notices” on page 243. Seventh Edition (August 2015) © Copyright Lenovo 2013, 2015. 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

    An introduction to Lenovo programs ..Enabling ErP LPS compliance mode ..Lenovo Support Web site ..ICE performance mode ...
  • Page 4 Chapter 10. Replacing FRUs (machine For machine types: 10B4, 10B5, 10B6, 10B7, 10HL, and 10HM ....types: 10B4, 10B5, 10B6, 10B7, 10HL, Locating connectors, controls, and indicators and 10HM) .
  • Page 5 ... . . Index....Security features ....© Copyright Lenovo 2013, 2015...
  • Page 6 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 7: 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 63 and Chapter 12 “Additional service information” on page 239 are not specific to any machine type and are applicable to all ThinkCentre computers.
  • Page 8 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 9: 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, 2015...
  • Page 10 systems, networks, and modems before you open the computer covers, unless instructed otherwise in the installation and configuration procedures. Observe the following rules when working on electrical equipment. Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents.

  • Page 11: 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 12: Grounding Requirements

    When handling ESD-sensitive parts: • Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people while handling the part. • Wear a grounded wrist strap against your skin to eliminate static on your body. •...
  • Page 13 • 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 14 DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode. Note the following: Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. ≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs)
  • Page 15 Chapter 2 Safety information...
  • Page 16 ≥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 M73 Hardware Maintenance Manual...
  • Page 17 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 18 • A utilização de controles ou ajustes ou a execução de procedimentos diferentes dos especificados aqui pode resultar em exposição prejudicial à radiação. PERIGO Alguns produtos a laser contêm diodo de laser integrado da Classe 3A ou da Classe 3B. Observe o seguinte: Radiação a laser quando aberto.
  • Page 19 Chapter 2 Safety information...
  • Page 20 ThinkCentre M73 Hardware Maintenance Manual...
  • Page 21 Chapter 2 Safety information...
  • Page 22 DANGER Le courant électrique provenant de l'alimentation, du téléphone et des câbles de transmission peut présenter un danger. Pour éviter tout risque de choc électrique : • Ne manipulez aucun câble et n'effectuez aucune opération d'installation, d'entretien ou de reconfiguration de ce produit au cours d'un orage.
  • Page 23 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 24 VORSICHT An Netz-, Telefon- und Datenleitungen können gefährliche Spannungen anliegen. Aus Sicherheitsgründen: • Bei Gewitter an diesem Gerät keine Kabel anschließen oder lösen. Ferner keine Installations-, Wartungs- oder Rekonfigurationsarbeiten durchführen. • Gerät nur an eine Schutzkontaktsteckdose mit ordnungsgemäß geerdetem Schutzkontakt anschließen.
  • Page 25 • 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 26 ThinkCentre M73 Hardware Maintenance Manual...
  • Page 27 Chapter 2 Safety information...
  • Page 28 PERICOLO La corrente elettrica proveniente dai cavi di alimentazione, del telefono e di comunicazione può essere pericolosa. Per evitare il rischio di scosse elettriche: • Non collegare o scollegare qualsiasi cavo oppure effettuare l'installazione, la manutenzione o la riconfigurazione del prodotto durante un temporale. •...
  • Page 29 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 30 ThinkCentre M73 Hardware Maintenance Manual...
  • Page 31 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 32 • No encienda nunca un equipo cuando hay señales de fuego, agua o daños estructurales. • Desconecte los cables de alimentación, los sistemas de telecomunicaciones, las redes y los módems conectados antes de abrir las cubiertas de los dispositivos, a menos que se indique lo contrario en los procedimientos de instalación y configuración.
  • Page 33 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 34 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 35: Chapter 3. General Information

    Maximum: 127 V ac Input frequency: 50/60 Hz Voltage-selection switch setting: 115 V ac – High range: Minimum: 200 V ac Maximum: 240 V ac Input frequency: 50/60 Hz Voltage-selection switch setting: 230 V ac © Copyright Lenovo 2013, 2015...

  • Page 36: For Machine Types: 10B4, 10B5, 10B6, 10B7, 10Hl, And 10Hm

    For machine types: 10B4, 10B5, 10B6, 10B7, 10HL, and 10HM Dimensions Width: 99.7 mm (3.93 inches) Height: 338 mm (13.31 inches) Depth: 385 mm (15.16 inches) Weight Maximum configuration as shipped: 6.6 kg (14.55 lb) (without package) Maximum configuration as shipped: 8.96 kg (19.75 lb) (with package) Environment •...

  • Page 37: For Machine Types: 10Ax, 10Ay, 10Dk, 10Dl, 10Dm, And 10Dn

    Accessing a program on your computer Note: For Windows 7, some of the Lenovo programs might be ready to be installed, so you need to install them manually. Then, you can access and use these programs. To install a program that is ready to be ®...

  • Page 38: An Introduction To Lenovo Programs

    The Lenovo PowerENGAGE program enables you to register your computer with Lenovo. – Message Center Plus The Message Center Plus program automatically displays messages informing you about important notices from Lenovo, such as alerts on system updates and alerts on conditions that require your attention. ®...
  • Page 39 BIOS updates. The program gathers information from the Lenovo Help Center about new updates for your computer, then sorts and displays the updates for download and installation. You have complete control of which updates to download and install.

  • Page 40: Lenovo Support Web Site

    The SHAREit or Lenovo SHAREit program provides a quick and easy way to share files and folders among computers, smartphones, tablets, or smart TVs with the Android or the Windows operating system installed. SHAREit or Lenovo SHAREit uses any type of network or even no network at all to share files and folders.

  • Page 41: 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, 2015...
  • Page 42 – Has this configuration ever worked? – If it has been working, what changes were made prior to it failing? – Is this the original reported failure? • Diagnostics version – Type and version level • Hardware configuration – Print (print screen) configuration currently in use –...

  • Page 43: 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 34 for additional troubleshooting resources. Basic troubleshooting The following table provides information to help you troubleshoot your computer problems.

  • Page 44: Accessing Control Panel On The Windows 8 Or Windows 8.1 Operating System

    Symptom Action The operating system does not Verify that: start. • The startup sequence includes the device where the operating system resides. Usually, the operating system is on the hard disk drive. For more information, see “Selecting a startup device” on page 59. The computer beeps multiple Verify that no keys are stuck.

  • Page 45: Troubleshooting

    • If the diagnostic program detects a hardware failure, contact the Lenovo Customer Support Center. See “Lenovo Support Web site” on page 34 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 34 for more information.

  • Page 46: Audio Problems

    • 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 34.

  • Page 47: 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 34.

  • Page 48: Dvd Problems

    • Close any open files, turn off the computer, and then restart the computer. • Try a lower screen resolution or color depth. 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 34.

  • Page 49: Intermittent Problems

    • Ensure that video resolution is set to less than 1152 x 864. 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 34.

  • Page 50: 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 54. If you need technical assistance, see “Lenovo Support Web site” on page 34. "No Operating System Found" message or the system not starting from the correct hard disk drive Symptom: "No Operating System Found"...

  • Page 51: Monitor Problems

    1. Turn off your computer. 2. Disconnect the mouse cable from the computer. 3. Turn the mouse upside down to check the lens. a. If there is a smudge on the lens, gently clean the area with a plain cotton-tipped swab. b.
  • Page 52 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 34.

  • Page 53: Networking Problems

    2. Adjust the placement of the monitor and other devices so that they are at least 305 mm (12 inches) apart. 3. Turn on the monitor. If these actions do not correct the problem, your monitor might need service. See “Lenovo Support Web site” on page 34 for details.
  • Page 54 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. • You have installed all networking software that is necessary for your network environment. Check with your LAN administrator for the necessary networking software.

  • Page 55: Option 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 34.

  • Page 56: 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 Lenovo Solution Center program. If you need technical assistance, see “Lenovo Support Web site” on page 34.

  • Page 57: Printer Problems

    34. For step-by-step instructions on installing memory, see “Installing or replacing a memory module” on page 92. If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 54 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 34.

  • Page 58: Serial Port 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 34.

  • Page 59: 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 60: Diagnostics

    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 61 Table 1. Items on the main screen of the UEFI diagnostic program DIAGNOSTICS TOOLS • LCD test • System information • Memory - Quick test • Recover bad sectors tool • Memory - Extended test • Generate configuration file • Motherboard test •...
  • Page 62 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 63: 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, 2015...

  • Page 64: Password Considerations

    • Administrator Password • Hard Disk Password You do not have to set any passwords to use your computer. However, using passwords improves computing security. If you decide to set any passwords, read the following sections. Password considerations A password can be any combination of up to 64 alphabetic and numeric characters. For security reasons, it is recommended to use a strong password that cannot be easily compromised.

  • Page 65: Enabling Or Disabling A Device

    Note: The USB 2.0 connector (USB port 3) on the rear of your computer supports the smart power on feature. If you connect a Lenovo-recommended USB 1.1 keyboard to this connector, you can power on the computer or wake it up from S4 hibernation mode by pressing Alt+P on the keyboard. Ensure that you use a Lenovo-recommended keyboard that supports the smart power on feature.

  • Page 66: Selecting Or Changing The Startup Device Sequence

    62. 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 67: Ice Performance Mode

    4. Press F10 to save changes and exit the Setup Utility program. Press Enter when prompted to confirm the exit. • Enabling the after power loss feature The after power loss feature enables your computer to wake up when the power supply resumes after a sudden loss of electricity.

  • Page 68: Changing The Bios Settings Before Installing A New Operating System

    4. Select ICE Thermal Alert. The ICE Thermal Alert window is displayed. 5. Select Enabled or Disabled as desired. 6. Press F10 to save changes and exit the Setup Utility program. See “Exiting the Setup Utility program” on page 62. Changing the BIOS settings before installing a new operating system BIOS settings vary by operating system.

  • Page 69: 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, 2015...

  • Page 70: Post Error Codes

    The following table describes the beep symptoms. Beep symptom FRU/Action 2 short beeps Common POST Error Common error code, see the detail failure information in “POST error codes” on page 64. 3 short and 1 long beeps DRAM memory error Perform the following actions in order.

  • Page 71: Miscellaneous Error Conditions

    Miscellaneous error conditions Message/Symptom FRU/Action Changing display colors Display/Monitor Computer will not power-off. See “Hard disk drive boot 1. Power Switch error” on page 63. 2. System Board 3. Riser card, if installed. Computer will not RPL from server 1. Ensure that network is in startup sequence as first device or first device after diskette.

  • Page 72: Undetermined Problems

    Message/Symptom FRU/Action Non-system disk or disk error-type message with a 1. Diskette Drive known-good diagnostic diskette. 2. System Board 3. Diskette Drive Cable 1. Display Other display symptoms not listed above (including blank or illegible display) 2. System Board Power-on indicator or hard disk drive in-use light not on, 1.
  • Page 73 d. Extended video memory e. External Cache f. External Cache RAM g. Hard disk drive h. Diskette drive 3. Power-on the computer to re-test the system. 4. Repeat steps 1 through 3 until you find the failing device or adapter. If all devices and adapters have been removed, and the problem continues, replace the system board.
  • Page 74 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 75: Chapter 8. Locations

    Figure 1. Front connector, control, and indicator locations Hard disk drive activity indicator Power indicator Power button Optical drive eject/close button Headphone connector USB 2.0 connector (USB connector 1) Microphone connector USB 2.0 connector (USB connector 2) © Copyright Lenovo 2013, 2015...

  • Page 76: Locating Connectors On The Rear Of Your Computer

    Locating connectors on the rear of your computer Figure 2 “Rear connector locations” on page 70 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 77: Locating Major Frus And Crus

    Connector Description DisplayPort connector Used to attach a high-performance monitor, a direct-drive monitor, or other devices that use a DisplayPort connector. Note: The DisplayPort connector is not applicable on some models. If your computer has a graphics card installed, be sure to use a monitor connector on the graphics card.
  • Page 78 Figure 3. Component locations The following table lists the major FRUs shown in Figure 3 “Component locations” on page 72 and identifies which FRUs also are self-service CRUs or optional-service CRUs. Notes: ThinkCentre M73 Hardware Maintenance Manual...

  • Page 79: Looking Up Fru Information

    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 Locating parts on the system board Note: Your computer comes with one of the following system boards. Chapter 8...
  • Page 80 Figure 4 “System board part locations” on page 74 shows the locations of the parts on one type of system board. Figure 4. System board part locations 4-pin power connector Microprocessor fan connector Memory slot 1 (DIMM1) Memory slot 2 (DIMM2) Thermal sensor connector 4-pin power connectors (number and location vary by model) 14-pin power connector...

  • Page 81: Locating Internal Drives

    Locating internal drives Internal drives are devices that your computer uses to read and store data. You can add drives to your computer to increase storage capacity and enable your computer to read other types of media. Internal drives are installed in bays. When installing or replacing an internal drive, it is important to note the type and size of the drive that you can install or replace in each bay and correctly connect the cables to the drive installed.

  • Page 82: For Machine Types: 10B4, 10B5, 10B6, 10B7, 10Hl, And 10Hm

    For machine types: 10B4, 10B5, 10B6, 10B7, 10HL, and 10HM Locating connectors, controls, and indicators on the front of your computer Figure 6 “Front connector, control, and indicator locations” on page 76 shows the locations of the connectors, controls, and indicators on the front of your computer. Figure 6.

  • Page 83: Locating Connectors On The Rear Of Your Computer

    Locating connectors on the rear of your computer Figure 7 “Rear connector locations” on page 77 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 84: Locating Major Frus And Crus

    Connector Description DisplayPort connector Used to attach a high-performance monitor, a direct-drive monitor, or other devices that use a DisplayPort connector. Note: The DisplayPort connector is not applicable on some models. If your computer has a graphics card installed, be sure to use a monitor connector on the graphics card.
  • Page 85 Figure 8. Component locations The following table lists the major FRUs shown in Figure 8 “Component locations” on page 79 and identifies which FRUs also are self-service CRUs or optional-service CRUs. Chapter 8 Locations...

  • Page 86: Looking Up Fru Information

    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 Locating parts on the system board Note: Your computer comes with one of the following system boards. ThinkCentre M73 Hardware Maintenance Manual...
  • Page 87 Figure 9 “System board part locations” on page 81 shows the locations of the parts on one type of system board. Figure 9. System board part locations 4-pin power connector Microprocessor fan connector Memory slot 1 (DIMM1) Memory slot 2 (DIMM2) Thermal sensor connector 4-pin power connectors (number and location vary by model) 14-pin power connector...

  • Page 88: Locating Internal Drives

    Locating internal drives Internal drives are devices that your computer uses to read and store data. You can add drives to your computer to increase storage capacity and enable your computer to read other types of media. Internal drives are installed in bays. When installing or replacing an internal drive, it is important to note the type and size of the drive that you can install or replace in each bay and correctly connect the cables to the drive installed.

  • Page 89: For Machine Types: 10Ax, 10Ay, 10Dk, 10Dl, 10Dm, And 10Dn

    For machine types: 10AX, 10AY, 10DK, 10DL, 10DM, and 10DN Locating connectors, controls, and indicators on the front of your computer Figure 11 “Front connector, control, and indicator locations” on page 83 shows the locations of the connectors, controls, and indicators on the front of your computer. Figure 11.

  • Page 90: Locating Connectors On The Rear Of Your Computer

    • The headset connector supports a microphone-integrated headset and does not support a conventional microphone. • By default, the Always On USB 3.0 connector enables you to charge some mobile digital devices and smartphones when your computer is in sleep or hibernation mode or is powered off. Locating connectors on the rear of your computer Figure 12 “Rear connector locations”...

  • Page 91: Locating Major Frus And Crus

    Connector Description DisplayPort connector Used to attach a high-performance monitor, a direct-drive monitor, or other devices that use a DisplayPort connector. Note: The DisplayPort connector is not applicable on some models. If your computer has a graphics card installed, be sure to use a monitor connector on the graphics card.
  • Page 92 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 93: Looking Up Fru Information

    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 Locating parts on the system board Note: Your computer comes with one of the following system boards. Chapter 8...
  • Page 94 Figure 14 “System board part locations” on page 88 shows the locations of the parts on the system board. Figure 14. System board part locations Serial (COM1) connector System fan connector Microprocessor Cover presence switch connector (intrusion switch connector) Clear CMOS (Complementary Metal Oxide Internal speaker connector Semiconductor) /Recovery jumper Power switch board cable connector...

  • Page 95: Chapter 9. Replacing Frus (Machine Types: 10B0, 10B1, 10B2, 10B3, 10Hj, And 10Hk)

    This section provides instructions on how to install or replace hardware for your computer. 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 96: Removing The Computer Cover

    Removing the computer cover Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to remove the computer cover. CAUTION: Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool.
  • Page 97 To remove and reinstall the front bezel, 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: Installing Or Replacing A Memory Module

    Figure 17. Reinstalling the front bezel 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 131. Installing or replacing a memory module Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 99 • If you are replacing an old memory module, open the retaining clips and gently pull the memory module out of the memory slot. Figure 18. Removing a memory module • If you are installing a memory module, open the retaining clips of the memory slot into which you want to install the memory module.

  • Page 100: Installing Or Replacing A Pci Express Card

    7. Position the new memory module over the memory slot. Ensure that the notch on the memory module aligns correctly with the slot key on the system board. Push the memory module straight down into the slot until the retaining clips close. Figure 20.
  • Page 101 3. At the rear of the computer, remove the screw that secures the PCI Express card latch. Figure 21. Removing the screw that secures the PCI Express card latch Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, 10B3, 10HJ, and 10HK)
  • Page 102 4. Depending on whether you are installing or replacing a PCI Express card, do one of the following: • If you are installing a PCI Express card, remove the appropriate metal slot cover. • If you are replacing an old PCI Express card, grasp the old card that is currently installed and gently pull it out of the slot.

  • Page 103: Replacing The Battery

    Note: If you are installing a PCI Express x16 graphics card, ensure that the memory slot retaining clips are closed before you install the graphics card. 7. Pivot the card latch to the closed position to secure the PCI Express card. Figure 23.

  • Page 104: Installing Or Replacing The Optical Drive

    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. Remove the computer cover. See “Removing the computer cover” on page 90. 3.
  • Page 105 4. Remove the three screws that secure the optical drive. Then, slide the optical drive out of the front of the computer. Figure 26. Removing the optical drive 5. Slide the new optical drive into the drive bay from the front and align the screw holes in the new optical drive with the corresponding holes in the drive bay.

  • Page 106: Replacing The Slim Card Reader

    6. Connect one end of the signal cable to the rear of the new optical drive and the other end to an available SATA connector on the system board. See “Locating parts on the system board” on page 73. Then, locate an available four-wire power connector and connect it to the rear of the new optical drive.
  • Page 107 Figure 29. Removing the slim card reader bracket 6. Remove the two screws that secure the slim card reader to the bracket. Then, slide the slim card reader as shown to remove it from the bracket. Note: Touch only the edges of the slim card reader. Do not touch the circuit board of it. Figure 30.
  • Page 108 Figure 31. Installing the new slim card reader into the bracket 9. Route the cable of the new slim card reader through the corresponding hole for the slim card reader bracket in the front of the chassis. 10. Install the slim card reader bracket into the chassis so that the hole in the bracket is aligned with the corresponding hole in the chassis.

  • Page 109: Replacing The Heat Sink And Fan Assembly

    Replacing the heat sink and fan assembly Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to replace the heat sink and fan assembly. CAUTION: The heat sink and fan assembly might be very hot.

  • Page 110: Replacing The Power Supply Assembly

    7. Lift the failing heat sink and fan assembly off the system board. Notes: • You might have to gently twist the heat sink and fan assembly to free it from the microprocessor. • Do not touch the thermal grease while handling the heat sink and fan assembly. 8.
  • Page 111 9. Install and tighten the four screws to secure the power supply assembly. Note: Use only screws provided by Lenovo. 10. Reconnect the power supply assembly cables to the system board and each of the drives.

  • Page 112: Replacing The Microprocessor

    11. Secure the power supply assembly cables with the cable clips and ties in the chassis. 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 131. Replacing the microprocessor Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 113 6. Lift the small handle and open the retainer to access the microprocessor Figure 35. Accessing the microprocessor 7. Lift the microprocessor straight up and out of the microprocessor socket. Notes: • Your microprocessor and socket might look different from the one illustrated. •...

  • Page 114: Replacing The System Board

    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. Then, carefully lower the new microprocessor straight down into the microprocessor socket. Note: The small triangle on one corner of the new microprocessor is the microprocessor orientation indicator.
  • Page 115 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. Lay the computer on its side for easier access to the system board. 3.

  • Page 116: Installing The Solid-State Drive

    Note: If necessary, apply the appropriate amount of thermal grease on the bottom of the heat sink and fan assembly. 12. Install all memory modules and PCI Express cards removed from the failing system board on the new system board. See “Installing or replacing a memory module” on page 92 and “Installing or replacing a PCI Express card”...

  • Page 117: Replacing The Primary Hard Disk Drive

    1. Install the solid-state drive into the storage converter. Then, install the four screws to secure the solid-state drive to the storage converter. Figure 40. Installing the solid-state drive into the storage converter 2. Connect the signal cable and the power cable to the solid-state drive. 3.
  • Page 118 5. Remove the four screws that secure the hard disk drive. Then, slide the hard disk drive out of the chassis. Figure 41. Removing the hard disk drive ThinkCentre M73 Hardware Maintenance Manual...

  • Page 119: Replacing The Rear Fan Assembly

    6. Slide the new hard disk drive into the hard disk drive bay and align the screw holes in the new hard disk drive with the corresponding holes in the drive bay. Then, install the four screws to secure the new hard disk drive in place.
  • Page 120 This section provides instructions on how to replace the rear fan assembly. To replace the rear fan assembly, 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 121: Replacing The Front Audio And Usb Assembly

    7. Pull on the tips of the rubber mounts until the rear fan assembly is secured in place. Figure 45. Installing the rear fan assembly 8. Connect the rear fan assembly cable to the system fan connector on the system board. What to do next: •...

  • Page 122: Replacing The Thermal Sensor

    6. Remove the screw that secures the front audio and USB assembly bracket to the chassis to remove the bracket from the chassis. Figure 46. Removing the screw that secures the front audio and USB assembly to the chassis 7. Remove the two screws that secure the front audio and USB assembly to its bracket and remove the failing front audio and USB assembly from the bracket.
  • Page 123 4. Locate the thermal sensor. See “Locating major FRUs and CRUs” on page 71. 5. Disconnect the thermal sensor cable from the thermal sensor connector on the system board. See “Locating parts on the system board” on page 73. 6. From the inner side of the chassis, pivot the retaining clip inward and then push the clip to the outer side to release it.

  • Page 124: Replacing The Cover Presence Switch

    8. Insert the new thermal sensor cable into the hole in the chassis. Then align the two tabs on the thermal-sensor plastic holder with the two holes in the chassis, and push the plastic holder until it snaps into position. Figure 48.
  • Page 125 2. Remove the computer cover. See “Removing the computer cover” on page 90. 3. Locate the cover presence switch. See “Locating major FRUs and CRUs” on page 71. 4. Disconnect the cover presence switch cable from the cover presence switch connector on the system board.

  • Page 126: Replacing The Wi-Fi Units

    6. Position the new cover presence switch so that the screw hole in the cover presence switch is aligned with the corresponding hole in the chassis. Then install the screw to secure the cover presence switch to the chassis. Figure 50. Installing the new cover presence switch 7.
  • Page 127 2. Remove the computer cover. See “Removing the computer cover” on page 90. 3. If your computer comes with a Wi-Fi card module that supports the Bluetooth function, disconnect the Bluetooth cable from the Wi-Fi adapter card. Figure 51. Disconnecting the Bluetooth cable Note: The Bluetooth cable connects the Bluetooth connector on the Wi-Fi adapter card to the front USB connector on the system board to support the Bluetooth function.
  • Page 128 5. Grasp the WiFi adapter card that is currently installed and gently pull it out of the slot. Figure 52. Removing the WiFi adapter card Note: The card fits tightly into the card slot. If necessary, alternate moving each side of the card a small amount until it is removed from the card slot.
  • Page 129 1. Remove the Wi-Fi adapter card from the computer, and then disconnect the front and rear Wi-Fi antenna cables from the Wi-Fi card module. Figure 53. Removing the Wi-Fi antenna cables 2. Remove the two screws that secure the Wi-Fi card module to the Wi-Fi adapter card. Figure 54.
  • Page 130 3. Pull the Wi-Fi card module out of the mini PCI Express slot to remove it from the Wi-Fi adapter card. Figure 55. Removing the Wi-Fi card module What to do next: • To work with another piece of hardware, go to the appropriate section. •...
  • Page 131 1. Insert the Wi-Fi card module into the mini PCI Express slot, and then install the two screws to secure the Wi-Fi card module to the Wi-Fi adapter card. Figure 56. Installing the Wi-Fi card module Figure 57. Installing the screws that secure the Wi-Fi card module Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, 10B3, 10HJ, and 10HK)
  • Page 132 2. Connect the front antenna cable and rear antenna cable to the Wi-Fi card module. Figure 58. Installing the Wi-Fi antenna cables 3. Install the Wi-Fi adapter card into the PCI Express x1 slot on the system board. See “Locating parts on the system board”...

  • Page 133: Installing Or Removing The Rear Wi-Fi Antenna

    • To complete the installation or replacement, go to “Completing the parts replacement” on page 131. Installing or removing the rear Wi-Fi antenna Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to install or remove the rear Wi-Fi antenna.

  • Page 134: Installing Or Removing The Front Wi-Fi Antenna

    3. Straighten the rear Wi-Fi antenna so that it can be more easily twisted. 4. Hold the thicker end of the rear Wi-Fi antenna and unscrew the Wi-Fi antenna from the rear of the computer. Figure 61. Removing the rear WiFi antenna What to do next: •...
  • Page 135 4. Peel off the paper that protects the stickers on the front antenna. Figure 62. Peeling off the paper that protects the stickers 5. Stick the front antenna to the front panel as shown. Then insert the front antenna cable through the hole in the front panel.

  • Page 136: Replacing The Keyboard

    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 131. Removing the front Wi-Fi antenna To remove the front Wi-Fi antenna, do the following: 1.

  • Page 137: Replacing The Mouse

    2. Connect a new keyboard to the appropriate connector on the computer. Your keyboard might be connected to a PS/2 keyboard connector or a USB connector . Depending on where you want to connect the new keyboard, see “Locating connectors, controls, and indicators on the front of your computer”...
  • Page 138 9. To update your configuration, refer to Chapter 6 “Using the Setup Utility program” on page 57. Note: In most areas of the world, Lenovo requires the return of the defective Field Replaceable Units (FRUs). Information about this will come with the new FRUs or will come a few days after you receive the new FRUs.
  • Page 139 Obtaining device drivers You can obtain device drivers that are not preinstalled in your operating systems at http://www.lenovo.com/support. Installation instructions are provided in readme files with the device-driver files. Chapter 9 Replacing FRUs (machine types: 10B0, 10B1, 10B2, 10B3, 10HJ, and 10HK)
  • Page 140 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 141: Chapter 10. Replacing Frus (Machine Types: 10B4, 10B5, 10B6, 10B7, 10Hl, And 10Hm)

    This section provides instructions on how to install or replace hardware for your computer. 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 142: Removing The Computer Cover

    Removing the computer cover Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to remove the computer cover. CAUTION: Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool.

  • Page 143: Accessing The System Board Components And Drives

    3. Remove the front bezel by releasing the three plastic tabs on the top of the front bezel and pivoting the front bezel outward to remove it from the computer. Carefully lay the front bezel aside without disconnecting the power switch and light-emitting diode (LED) assembly cable. Figure 69.
  • Page 144 This section provides instructions on how to access the system board components and drives. To access the system board components and drives, 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.

  • Page 145: Installing Or Replacing A Pci Express Card

    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 183. Installing or replacing a PCI Express card Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 146 – If the card is held in place by a retaining latch, press the card retaining latch as shown to disengage the latch. Grasp the card and gently pull it out of the slot. • If you are installing a PCI Express card, remove the screw that secures the appropriate metal slot cover.

  • Page 147: Installing Or Replacing A Memory Module

    Installing or replacing a memory module Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to install or replace a memory module. Your computer has two slots for installing or replacing DDR3 UDIMMs that provide up to a maximum of 16 GB system memory.
  • Page 148 • If you are replacing an old memory module, open the retaining clips and gently pull the memory module out of the memory slot. Figure 76. Removing a memory module • If you are installing a memory module, open the retaining clips of the memory slot into which you want to install the memory module.

  • Page 149: Replacing The Battery

    10. Position the new memory module over the memory slot. Ensure that the notch on the new memory module is aligned with the key in the slot. Then, push the new memory module straight down into the slot until the retaining clips fully close. Note: Ensure that the memory module is seated securely and cannot be moved easily.

  • Page 150: Replacing The Hard Disk Drive

    5. Remove the old battery. Figure 79. Removing the battery 6. Install a new battery. Figure 80. Installing the battery 7. Reinstall the PCI Express x16 graphics card if you had removed it. See “Installing or replacing a PCI Express card” on page 139. 8.
  • Page 151 4. Note the location of the four screws that secure the hard disk drive. Then, pivot the drive bay assembly upward. Figure 81. Pivoting the drive bay assembly 5. Hold the hard disk drive and remove the four screws that secure the hard disk drive. Then, remove the hard disk drive from the drive bay assembly.

  • Page 152: Replacing The Solid-State Drive

    7. Connect one end of the signal cable to the rear of the new hard disk drive and the other end to an available SATA connector on the system board. See “Locating parts on the system board” on page 80. Then, locate an available four-wire power connector and connect it to the rear of the new hard disk drive.
  • Page 153 The solid-state drive is only available in some models. It might be installed in the hard disk drive bay or on the bottom of the optical drive bay. • To replace the solid-state drive in the hard disk drive bay, see “Replacing the solid-state drive in the hard disk drive bay”...
  • Page 154 3. Position the solid-state drive into the storage converter so that the holes in the drive are aligned with the corresponding holes in the converter. Then, install the four screws to secure the solid-state drive to the converter. Figure 86. Installing the solid-state drive into the storage converter Replacing the solid-state drive on the bottom of the optical drive bay To replace the solid-state drive on the bottom of the optical drive bay, do the following: 1.
  • Page 155 6. Remove the screw and then carefully slide the solid-state drive bracket upward to remove the bracket from the bottom of the optical drive bay. Figure 87. Removing the solid-state drive bracket 7. Remove the four screws that secure the solid-state drive to the bracket. Then, slide the drive as shown to remove it from the bracket.
  • Page 156 9. Slide the new solid-state drive into the solid-state drive bracket as shown until the four holes in the drive are aligned with the corresponding holes in the bracket. Then, install the four screws to secure the new solid-state drive to the bracket. Figure 89.

  • Page 157: Installing Or Replacing The Optical Drive

    11. Install the screw to secure the bracket on the bottom of the optical drive bay. Figure 91. Installing the screw to secure the bracket on the bottom of the optical drive bay 12. Connect one end of the signal cable to the bottom of the new solid-state drive and the other end to an available SATA connector on the system board.
  • Page 158 6. Hold the optical drive and remove the two screws that secure the optical drive. Figure 92. Removing the optical drive screws 7. Slightly press the drive bay assembly clip inward and pivot the drive bay assembly downward as shown. Figure 93.
  • Page 159 8. Slide the optical drive out of the front of the computer. Figure 94. Removing the optical drive 9. Slide the new optical drive into the optical drive bay from the front of the computer. Figure 95. Installing a new optical drive Chapter 10 Replacing FRUs (machine types: 10B4, 10B5, 10B6, 10B7, 10HL, and 10HM)

  • Page 160: Replacing The Slim Card Reader

    10. Hold the new optical drive and pivot the drive bay assembly upward. Align the screw holes in the new optical drive with the corresponding holes in the drive bay. Then, install the two screws to secure the new optical drive in place. Figure 96.
  • Page 161 To replace the slim card reader, 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 162 8. Align the new slim card reader in the slim card reader bracket and slide the slim card reader into the rail as shown until it stops. Then, install the two screws to secure the new slim card reader to the bracket. Figure 100.

  • Page 163: Replacing The Heat Sink And Fan Assembly

    Replacing the heat sink and fan assembly Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to replace the heat sink and fan assembly. CAUTION: The heat sink and fan assembly might be very hot.
  • Page 164 7. Follow the following sequence to remove the four screws that secure the heat sink and fan assembly to the system board: a. Partially remove the screw , then fully remove the screw , then fully remove the screw b. Partially remove the screw , then fully remove the screw , then fully remove the screw Note: Carefully remove the four screws from the system board to avoid any possible damage to the...

  • Page 165: Replacing The Power Supply Assembly

    12. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until it snaps into position. Figure 104. Installing the heat sink fan duct What to do next: • To work with another piece of hardware, go to the appropriate section. •...
  • Page 166 CAUTION: Never remove the cover on a power supply or any part that has the following label attached. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician.
  • Page 167 7. At the rear of the computer, remove the three screws that secure the power supply assembly. Press the retaining clip downward and slide the power supply assembly to the front of the computer. Then, lift the power supply assembly out of the computer. Figure 106.
  • Page 168 Then, install the three screws to secure the new power supply assembly. Note: Use only screws provided by Lenovo. Figure 107. Installing the power supply assembly 10. Connect the new power supply assembly cables to all drives and the system board. See “Locating parts on the system board”...

  • Page 169: Replacing The Microprocessor

    11. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until the two screw holes in the heat sink fan duct are aligned with those in the heat sink and fan assembly. Install the two screws to secure the heat sink fan duct.
  • Page 170 Note: Do not let the thermal grease on the bottom of the heat sink and fan assembly get in contact with anything. 6. Record the cable routing and connections. Then, locate the system board and disconnect all cables connected to the system board. See “Locating parts on the system board” on page 80. 7.

  • Page 171: Replacing The System Board

    9. Ensure that the small handle is in the raised position and the microprocessor retainer is fully open. 10. Remove the protective cover that protects the gold contacts of the new microprocessor. 11. 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 172 The heat sink and microprocessor might be very hot. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. To replace the system board, 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.

  • Page 173: Replacing The Front Fan Assembly

    11. Install the new system board into the chassis by aligning the six screw holes in the new system board with the corresponding mounting studs on the chassis. Then, install the six screws to secure the system board. 12. Install the heat sink and fan assembly and connect the heat-sink-and-fan-assembly cable to the new system board.
  • Page 174 2. Remove the computer cover. See “Removing the computer cover” on page 136. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 136 4. Pivot the drive bay assembly upward. See “Accessing the system board components and drives” on page 137.

  • Page 175: Replacing The Front Audio And Usb Assembly

    8. Install the new front fan assembly by aligning the four new rubber mounts on the new front fan assembly with the corresponding holes in the chassis and push the rubber mounts through the holes. Pull the tip of each rubber mount from the outer side of the front panel until all rubber mounts go through the holes and secure the front fan assembly in place.

  • Page 176: Replacing The Thermal Sensor

    5. Lower the drive bay assembly. See “Accessing the system board components and drives” on page 137. 6. Remove the screw that secures the front audio and USB assembly. Then, remove the front audio and USB assembly from the chassis. Figure 116.
  • Page 177 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 136 4. Locate the thermal sensor. See “Locating major FRUs and CRUs” on page 78. 5. Pivot the drive bay assembly upward. See “Accessing the system board components and drives” on page 137.

  • Page 178: Replacing The Wi-Fi Units

    9. Insert the connector and cable of the new thermal sensor into the hole in the chassis. Then, align the two tabs on the plastic holder holding the thermal sensor with the two holes in the chassis, and push the plastic holder until it snaps into position. Figure 118.
  • Page 179 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. Remove the computer cover. See “Removing the computer cover” on page 136. 3.
  • Page 180 6. Grasp the WiFi adapter card that is currently installed and gently pull it out of the slot. Figure 121. Removing the WiFi adapter card Note: The card fits tightly into the card slot. If necessary, alternate moving each side of the card a small amount until it is removed from the card slot.
  • Page 181 3. Pull the Wi-Fi card module out of the mini PCI Express slot. Figure 123. Removing the WiFi card module 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 183. Installing the Wi-Fi units To install the Wi-Fi units, do the following: 1.
  • Page 182 Figure 125. Installing the WiFi card module 3. Connect the front Wi-Fi antenna cable and rear Wi-Fi antenna cable to the Wi-Fi card module. Figure 126. Connecting the Wi-Fi antenna cables 4. Locate the two PCI Express x1 slots on the system board. See “Locating parts on the system board” on page 80.
  • Page 183 5. Install the Wi-Fi adapter card into one of the two PCI Express x1 slots on the system board. Then, install the screw to secure the WiFi adapter card in place. Figure 127. Installing the WiFi adapter card 6. If the installed Wi-Fi card module supports the Bluetooth function, use a Bluetooth cable to connect the Bluetooth connector on the Wi-Fi adapter card to the front USB connector 1 on the system board.

  • Page 184: Installing Or Removing The Rear Wi-Fi Antenna

    Installing or removing the rear Wi-Fi antenna Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to install or remove the rear Wi-Fi antenna. Installing the rear Wi-Fi antenna To install the rear Wi-Fi antenna, do the following: 1.
  • Page 185 5. Install the rear Wi-Fi antenna to the rear Wi-Fi antenna cable connector. Then, adjust the angle of the rear Wi-Fi antenna to prevent accidental breakage of the antenna. Figure 131. Installing the rear WiFi antenna 6. Connect the rear Wi-Fi antenna cable to the Wi-Fi card module. See “Replacing the Wi-Fi units” on page 172.

  • Page 186: Installing Or Removing The Front Wi-Fi Antenna

    4. Hold the thicker end of the rear Wi-Fi antenna and unscrew the Wi-Fi antenna from the rear of the computer. Figure 132. Removing the rear Wi-Fi antenna 5. Remove the Wi-Fi adapter card. See “Removing the Wi-Fi card module” on page 174. 6.
  • Page 187 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. Remove the computer cover. See “Removing the computer cover” on page 136. 3.

  • Page 188: Replacing The Keyboard

    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 183. Removing the front WiFi antenna To remove the front WiFi antenna, do the following: 1.

  • Page 189: Replacing The Mouse

    2. Connect a new keyboard to the appropriate connector on the computer. Your keyboard might be connected to a PS/2 keyboard connector or a USB connector . Depending on where you want to connect the new keyboard, see “Locating connectors, controls, and indicators on the front of your computer”...
  • Page 190 57. Note: In most areas of the world, Lenovo requires the return of the defective Field Replaceable Units (FRUs). Information about this will come with the new FRUs or will come a few days after you receive the new FRUs.

  • Page 191: Chapter 11. Replacing Frus (Machine Types: 10Ax, 10Ay, 10Dk, 10Dl, 10Dm, And 10Dn)

    This section provides instructions on how to install or replace hardware for your computer. 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 192: Installing Or Removing The Ac Power Adapter

    Installing or removing the ac power adapter Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to install or remove the ac power adapter. To install the ac power adapter, connect the ac power adapter to the ac power adapter connector at the rear of your computer and a workable electrical outlet.

  • Page 193: Installing Or Removing The Vertical Stand

    2. Remove the power cord from the ac power adapter cable loop at the rear of the computer and then disconnect the ac power adapter cable from the computer. Figure 141. Disconnecting the ac power adapter Installing or removing the vertical stand Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 194 2. Align the rear of the computer with the rear of the vertical stand and position the computer on the vertical stand as shown. Figure 142. Installing the vertical stand To remove the vertical stand, do the following: 1. Turn off the computer. ThinkCentre M73 Hardware Maintenance Manual...

  • Page 195: Installing Or Removing The Vesa Mount Bracket

    2. Lift the computer to remove it from the vertical stand. Figure 143. Removing the computer from the vertical stand Installing or removing the VESA mount bracket Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 196 2. Slide the computer into the VESA mount bracket. Figure 144. Installing the VESA mount bracket 3. Install the two screws to secure the VESA mount bracket to the computer. Figure 145. Installing the screws to secure the VESA mount bracket To remove the VESA mount bracket, do the following: 1.

  • Page 197: Installing Or Removing The Ac Power Adapter Bracket

    2. Remove the two screws that secure the VESA mount bracket to the computer. Figure 146. Removing the screws that secure the VESA mount bracket 3. Slide the computer toward the front of the VESA mount bracket to remove the VESA mount bracket from the computer.
  • Page 198 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. Pull the tab and then slide the ac power adapter bracket as shown to remove it from the VESA mount bracket.

  • Page 199: Replacing The Optical Drive

    To install the ac power adapter bracket to the VESA mount bracket, align the two tabs on the ac power adapter bracket with the slots in the VESA mount bracket, and then slide the ac power adapter bracket as shown to install it on the VESA mount bracket. Figure 149.
  • Page 200 3. Remove the screw that secures the optical drive box on the VESA mount bracket and then slide the optical drive box as shown to remove it from the VESA mount bracket. Figure 150. Removing the optical drive box 4. Remove the screw that secures the optical drive in the optical drive box. Use a screwdriver to slide the optical drive forward and then remove the optical drive from the optical drive box.
  • Page 201 5. Remove the two screws that secure the optical drive metal plate and then remove the metal plate from the optical drive. Figure 152. Removing the optical drive metal plate 6. Align the two screw holes in the optical drive metal plate with the corresponding holes in the new optical drive and then install the two screws to secure the metal plate on the new optical drive.
  • Page 202 7. Slide the new optical drive into the optical drive box until it snaps into position. Figure 154. Installing the optical drive into the optical drive box 8. Install the screw that secures the optical drive in the optical drive box. Figure 155.
  • Page 203 9. Align the two holes in the optical drive box with the two screws on the VESA mount bracket and then slide the optical drive box as shown to install it on the VESA mount bracket. Figure 156. Installing the optical drive box Chapter 11 Replacing FRUs (machine types: 10AX, 10AY, 10DK, 10DL, 10DM, and 10DN)

  • Page 204: Replacing The Secondary Hard Disk Drive

    10. Install the screw that secures the optical drive box on the VESA mount bracket. Figure 157. Installing the screw that secures the optical drive box 11. Connect the optical drive cable to a USB connector on the computer. See “Locating connectors on the rear of your computer”...
  • Page 205 3. Remove the screw that secures the optical drive box on the VESA mount bracket and then slide the optical drive box as shown to remove it from the VESA mount bracket. Figure 158. Removing the optical drive box 4. Slide the release button on the optical drive box and then remove the secondary hard disk drive adapter from the optical drive box.
  • Page 206 5. Flex the sides of the hard disk drive adapter bracket and then pivot the hard disk drive adapter to remove the adapter from the adapter bracket. Figure 160. Removing the hard disk drive adapter from the adapter bracket 6. To remove the hard disk drive from the adapter, lift the adapter retaining latch. Slide the hard disk drive towards the retaining latch and then lift the hard disk drive out of the adapter.
  • Page 207 8. Install the new hard disk drive into the adapter as shown. Then, lower the adapter retaining latch until it snaps into position. Figure 163. Installing the hard disk drive into the adapter 9. Position the adapter into the adapter bracket and then pivot the adapter downward until it snaps into position.
  • Page 208 10. Slide the hard disk drive adapter bracket into the optical drive box until it snaps into position. Figure 165. Installing the adapter bracket into the optical drive box ThinkCentre M73 Hardware Maintenance Manual...
  • Page 209 11. Align the two holes in the optical drive box with the two screws on the VESA mount bracket and then slide the optical drive box as shown to install it on the VESA mount bracket. Figure 166. Installing the optical drive box Chapter 11 Replacing FRUs (machine types: 10AX, 10AY, 10DK, 10DL, 10DM, and 10DN)

  • Page 210: Installing Or Removing The I/O Box

    12. Install the screw that secures the optical drive box on the VESA mount bracket. Figure 167. Installing the screw that secures the optical drive box 13. Connect the secondary hard disk drive cable to a USB connector on the computer. See “Locating connectors on the rear of your computer”...
  • Page 211 3. Remove the screw that secures the I/O box on the VESA mount bracket and then slide the I/O box as shown to remove it from the VESA mount bracket. Figure 168. Removing the I/O box To install the I/O box, do the following: 1.
  • Page 212 2. Align the two holes in the I/O box with the two screws on the VESA mount bracket and then slide the I/O box as shown to install it on the VESA mount bracket. Figure 169. Installing the I/O box ThinkCentre M73 Hardware Maintenance Manual...

  • Page 213: Removing The Computer Cover

    3. Install the screw to secure the I/O box on the VESA mount bracket. Figure 170. Installing the screw to secure the I/O box 4. Connect the I/O box cable to a USB connector on the rear of your computer. See “Locating connectors on the rear of your computer”...
  • Page 214 4. Remove the screw that secures the computer cover. Figure 171. Removing the screw that secures the computer cover ThinkCentre M73 Hardware Maintenance Manual...

  • Page 215: Installing Or Removing The Hard Disk Drive Assembly

    5. Slide the computer cover toward the front of the computer a small amount. Then, lift the computer cover to remove it from the computer. Figure 172. Removing the computer cover Installing or removing the hard disk drive assembly Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 216 5. Remove the two screws that secure the hard disk drive assembly. Slide the hard disk drive assembly as shown, and then lift the hard disk drive assembly to remove it from the chassis. Figure 173. Removing the hard disk drive assembly To install the hard disk drive assembly, do the following: 1.

  • Page 217: Installing Or Replacing A Memory Module

    2. Install the two screws to secure the hard disk drive assembly. Figure 175. Installing the screws to secure the hard disk drive assembly 3. Connect the signal cable and the power cable to the hard disk drive. What to do next: •...

  • Page 218: Replacing The Battery

    Figure 176. Removing the memory module 6. Insert the notched end of the new memory module into the slot . Press the memory module firmly and pivot the memory module until it snaps into place. Make sure that the memory module is secured in the slot and does not move easily.
  • Page 219 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 battery notice”...

  • Page 220: Replacing The Power Switch Board

    Replacing the power switch board Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to replace the power switch board. To replace the power switch board, do the following: 1.

  • Page 221: Replacing The Wi-Fi Card Module

    7. Align the hole in the new power switch board with the tab on the computer and position the new power switch board onto the chassis. Then, install the screw to secure the new power switch board on the chassis. Figure 181.
  • Page 222 3. Remove the hard disk drive assembly. See “Installing or removing the hard disk drive assembly” on page 209. 4. Locate the Wi-Fi card module in the computer. See “Locating major FRUs and CRUs” on page 85. 5. Disconnect the Wi-Fi antenna cables from the Wi-Fi card module. Figure 182.

  • Page 223: Installing Or Removing The Front Wi-Fi Antenna

    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 235. Installing or removing the front Wi-Fi antenna Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 224 6. Route the front Wi-Fi antenna cable through the five hooks on the hard disk drive bracket as shown. Figure 188. Routing the front Wi-Fi antenna cable 7. Reinstall the hard disk drive assembly without connecting the signal cable and power cable. See “Installing or removing the hard disk drive assembly”...

  • Page 225: Installing Or Removing The Rear Wi-Fi Antenna

    5. Release the front Wi-Fi antenna cable from the hooks on the hard disk drive bracket. Then, unstick the front Wi-Fi antenna from the hard disk drive bracket. Figure 190. Removing the front Wi-Fi antenna cable What to do next: •...
  • Page 226 3. Adjust the angle of the rear antenna to lower the risk of breaking the antenna by accident. Figure 191. Installing the rear Wi-Fi antenna To remove the rear Wi-Fi antenna, 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.

  • Page 227: Replacing The Internal Speaker

    Replacing the internal speaker Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1. This section provides instructions on how to replace the internal speaker. To replace the internal speaker, do the following: 1.
  • Page 228 7. Press the tab that secures the internal speaker as shown and then lift the internal speaker out of the internal speaker holder. Figure 194. Removing the internal speaker 8. Press the tab as shown and insert the new internal speaker into the internal speaker holder until the new internal speaker snaps into position and is secured by the tab Figure 195.

  • Page 229: Replacing The Cover Presence Switch

    9. Secure the cable of the new internal speaker in the retaining clip on the side of the thermal module bracket. Figure 196. Securing the internal speaker cable 10. Connect the cable of the new internal speaker to the internal speaker connector on the system board. See “Locating parts on the system board”...
  • Page 230 5. Pull the cover presence switch to remove it from the heat sink bracket. Figure 197. Removing the cover presence switch 6. Attach the new cover presence switch to the thermal module. Figure 198. Installing the cover presence switch 7. Connect the cable of the new cover presence switch to the cover presence switch connector on the system board.

  • Page 231: Replacing The System Fan

    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 235. Replacing the system fan Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 232 5. Remove the three screws that secure the system fan to the thermal module, and then lift the system fan to remove it from the computer. Figure 199. Removing the system fan ThinkCentre M73 Hardware Maintenance Manual...

  • Page 233: Replacing The Thermal Module

    6. Position the new system fan on the chassis so that the three screw holes in the new system fan are aligned with the screw posts on the thermal module. Then, install the three screws to secure the new system fan to the computer. Figure 200.
  • Page 234 3. Locate the thermal module in the computer. See “Locating major FRUs and CRUs” on page 85. 4. Remove the internal speaker. See “Replacing the internal speaker” on page 221. 5. Remove the cover presence switch. See “Replacing the cover presence switch” on page 223. 6.

  • Page 235: Replacing The Microprocessor

    8. Install the new thermal module into the chassis as shown. Ensure that the four screws on the new thermal module are aligned with corresponding holes in the system board. Figure 202. Installing the thermal module 9. Follow the clockwise sequence of , and to install the four screws to secure the new thermal module.
  • Page 236 4. Lift the small handle and open the retainer to access the microprocessor Figure 203. Accessing the microprocessor 5. Lift the microprocessor straight up and out of the microprocessor socket. Notes: • Your microprocessor and socket might look different from the one illustrated. •...

  • Page 237: Replacing The System Board

    8. 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. Then, carefully lower the new microprocessor straight down into the microprocessor socket. Note: The small triangle on one corner of the new microprocessor is the microprocessor orientation indicator.
  • Page 238 2. Remove the computer cover. See “Removing the computer cover” on page 207. 3. Remove the hard disk drive assembly. See “Installing or removing the hard disk drive assembly” on page 209. 4. Remove all memory modules that are currently installed. See “Installing or replacing a memory module” on page 211.
  • Page 239 10. Carefully pivot the failing system board upward to remove it out of the chassis. Figure 207. Removing the system board 11. Remove the microprocessor from the failing system board and install it on the new system board. See “Replacing the microprocessor” on page 229. 12.

  • Page 240: Replacing The Keyboard Or Mouse

    14. Reinstall the system fan. See “Replacing the system fan” on page 225. 15. If you have removed the Wi-Fi card module, reinstall the Wi-Fi card module. See “Replacing the Wi-Fi card module” on page 215. 16. Install all memory modules removed from the failing system board onto the new system board. See “Installing or replacing a memory module”...

  • Page 241: Completing The Parts Replacement

    2. Connect a new keyboard or mouse to one of the USB connectors on the computer. Depending on where you want to connect the new keyboard or mouse, see “Locating connectors, controls, and indicators on the front of your computer” on page 83 or “Locating connectors on the rear of your computer”...
  • Page 242 3. Position the computer cover on the chassis and then push the cover to the rear of the computer until it snaps into position. Figure 211. Installing the computer cover ThinkCentre M73 Hardware Maintenance Manual...
  • Page 243 6. To update your configuration, refer to Chapter 6 “Using the Setup Utility program” on page 57. Note: In most areas of the world, Lenovo requires the return of the defective Field Replaceable Units (FRUs). Information about this will come with the new FRUs or will come a few days after you receive the new FRUs.
  • Page 244 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 245: Chapter 12. Additional Service Information

    – Start the Setup Utility. – Select Main menu. • 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 239.

  • Page 246: Updating The Bios

    Recovering from a system image failure Note: This section is only for ThinkCentre M73 Tiny Thin Clients. To recover from a system image failure, contact the Lenovo Customer Support Center. The most up-to-date telephone list for the Customer Support Center is always available at: http://www.lenovo.com/support/phone...

  • Page 247: Power Management

    • Problem determination - Trained service personnel are available to assist you with determining a hardware problem and deciding what action is necessary to fix the problem. • Problem forwarding - If no hardware problem exists, the Customer Support Center will contact the software provider directly or direct you to the support center of the software provider to fix a software problem.
  • Page 248 ThinkCentre M73 Hardware Maintenance Manual...

  • Page 249: 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 250: 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 Rescue and Recovery The Lenovo logo...

  • Page 251: Index

    133, 184, 237 memory module devices, handling static-sensitive 89, 135, 185 internal speaker, replacing diagnostic program diagnostics, troubleshooting DisplayPort connector 71, 78, 85 drivers, device 133, 184, 237 drives keyboard bays 75, 82 replacing 130, 182 © Copyright Lenovo 2013, 2015...
  • Page 252 70, 77, 84 rear fan assembly, replacing rear Wi-Fi antenna, installing or removing rear Wi-Fi antenna, installing, removing 127, 178 Lenovo Solution Center recovering locating components 71, 78, 85 from a POST/BIOS update failure looking up part numbers...
  • Page 253 VESA mount bracket, installing or removing VGA monitor connector 71, 78, 85 viewing and changing settings Wi-Fi card module, replacing Wi-Fi units, Wi-Fi adapter card, Wi-Fi card module, Wi-Fi antenna cable, replacing 120, 172 © Copyright Lenovo 2013, 2015...
  • Page 254 ThinkCentre M73 Hardware Maintenance Manual...

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