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Lenovo 2119 Maintenance Manual

Machine types: 2119, 2121, 2697, 2698, 2742, 2750, 2756, 2800, 2929, 2932, 2934, 2935, 2941, 2943, 2945, 2960, 2961, 2967, 2982, 2986, 2988, 2992, 2993, 2994, 2996, 2999, 3181, 3182, 3183, 3184, 3185, 3186, 3187, 3190, 3198, 3201, 3202, 3204, 3207, 3208,
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See also: Hardware Maintenance Manual , User Manual
ThinkCentre
Hardware Maintenance Manual
Machine Types: 2119, 2121, 2697, 2698, 2742, 2750, 2756, 2800,
2929, 2932, 2934, 2935, 2941, 2943, 2945, 2960, 2961, 2967, 2982,
2986, 2988, 2992, 2993, 2994, 2996, 2999, 3181, 3182, 3183, 3184,
3185, 3186, 3187, 3190, 3198, 3201, 3202, 3204, 3207, 3208, 3209,
3212, 3214, 3217, 3218,3220, 3224, 3226, 3227, 3228, 3229, 3234,
3235, 3236, 3237, 3238, 3240, 3242, 3243, 3302, 3306, 3391, 3392,
3393, and 3395

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Summary of Contents for Lenovo 2119

  • Page 1 ThinkCentre Hardware Maintenance Manual Machine Types: 2119, 2121, 2697, 2698, 2742, 2750, 2756, 2800, 2929, 2932, 2934, 2935, 2941, 2943, 2945, 2960, 2961, 2967, 2982, 2986, 2988, 2992, 2993, 2994, 2996, 2999, 3181, 3182, 3183, 3184, 3185, 3186, 3187, 3190, 3198, 3201, 3202, 3204, 3207, 3208, 3209,...
  • Page 2 “Safety information” on page 3 and Appendix A “Notices” on page 269. Second Edition (September 2012) © Copyright Lenovo 2012. 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 Locating internal drives ..2996, 3181, 3183, 3185, 3187, 3198, For machine types: 2119, 2121, 3229, 3234, 3235, 3202, 3207, 3209, 3214, 3218, 3224, 3236, 3237, 3238, 3240, 3242, and 3243 ..
  • Page 5 Replacing the keyboard or mouse ..Chapter 11. Replacing FRUs (machine Completing the parts replacement ..types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and Chapter 12. Additional service 3243).
  • Page 6 ThinkCentre Hardware Maintenance Manual...

  • Page 7: Chapter 1. About This Manual

    3207, 3209, 3214, 3218, 3224, 3227, 3306, 3393, and 3395)” on page 153 and Chapter 11 “Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)” on page 213. For FRU part numbers, go to: http:/www.lenovo.com/serviceparts-lookup...
  • Page 8 ThinkCentre Hardware Maintenance Manual...

  • Page 9: Chapter 2. Safety Information

    Observe the following rules when working on electrical equipment. © Copyright Lenovo 2012...
  • Page 10 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. Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges. Do not use this type of mat to protect yourself from an electric shock.

  • Page 11: Voltage-Selection Switch

    Voltage-selection switch Some computers are equipped with a voltage-selection switch located near the power-cord connection point on the computer. If your computer has a voltage-selection switch, ensure that you set the switch to match the voltage available at your electrical outlet. Setting the voltage-selection switch incorrectly can cause permanent damage to the computer.

  • Page 12: Handling Electrostatic Discharge-Sensitive Devices

    5. Check for any obvious alterations. Use good judgment as to the safety of any alterations. 6. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage. 7.
  • Page 13 • French • German • Hebrew • Italian • Korean • Spanish 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.
  • Page 14 Dispose of the battery as required by local ordinances or regulations. CAUTION: When laser products (such as CD-ROMs, DVD-ROM drives, fiber optic devices, or transmitters) are installed, note the following: • Do not remove the covers. Removing the covers of the laser product could result in exposure to hazardous laser radiation.
  • 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 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 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 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 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 Hardware Maintenance Manual...

  • Page 35: Chapter 3. General Information

    – Low range: Minimum: 100 V ac Maximum: 127 V ac Input frequency range: 50 to 60 Hz – High range: Minimum: 200 V ac Maximum: 240 V ac Input frequency range: 50 to 60 Hz © Copyright Lenovo 2012...

  • Page 36: For Machine Types: 2756, 2800, 2929, 2932

    For machine types: 2756, 2800, 2929, 2932, 2934, 2941, 2945, 2961, 2982, 2988, 2993, 2996, 3181, 3183, 3185, 3187, 3198, 3202, 3207, 3209, 3214, 3218, 3224, 3227, 3306, 3393, and 3395 Dimensions Width: 338 mm (13.31 inches) Height: 99.7 mm (3.93 inches) Depth: 385.4 mm (15.17 inches) Weight Maximum configuration as shipped: 7.5 kg (16.53 lb)

  • Page 37: For Machine Types: 2119, 2121, 3229, 3234

    Input frequency range: 50 to 60 Hz Lenovo programs Your computer comes with Lenovo programs to help you work more easily and securely. Depending on the Windows operating system preinstalled, the programs might vary. Accessing Lenovo programs on the Windows 7 operating system On the Windows 7 operating system, you can access Lenovo programs from either the Lenovo ®...
  • Page 38 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 39: Accessing Lenovo Programs On The Windows 8 Operating System

    If a desired program is not in the list, click the plus icon +. • 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, move the pointer to the bottom-right corner of the screen to display the charms.
  • Page 40 ThinkCentre Hardware Maintenance Manual...

  • 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 2012...
  • 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 describes some basic troubleshooting and diagnostic programs. If your computer problem is not described here, see “Lenovo Support Web site” on page 33for 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 Operating System

    If this does not correct the problem, continue with the next step. 6. Run the diagnostic programs. See “Lenovo Solution Center” on page 55 for more information. • If the diagnostic programs detect a hardware failure, contact the Lenovo Customer Support Center.

  • Page 45: Troubleshooting

    • If you are unable to run the diagnostic programs, contact the Lenovo Customer Support Center. See “Lenovo Support Web site” on page 33 for more information. • If the diagnostic programs do not detect a hardware failure, continue with the next step.
  • Page 46 • 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 diagnostic programs (see “Lenovo Solution Center” on page 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 33.

  • Page 47: Cd Problems

    • If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 33. CD problems Select your symptom from the following list: •...

  • Page 48: Dvd Problems

    • 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 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 33.

  • Page 49: Intermittent Problems

    (one to five hard disk drives) or the LSI MegaRAID SAS adapter is installed. If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See “Lenovo Solution Center” on page 55. If you need technical assistance, see “Lenovo Support Web site” on page 33. Chapter 5...

  • 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 55. If you need technical assistance, see “Lenovo Support Web site” on page 33. Keyboard, mouse, or pointing device problems Select your symptom from the following list: •...
  • Page 51 See “Enabling or disabling a device” on page 59. If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 33.

  • Page 52: Monitor Problems

    If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 33.

  • Page 53: Networking Problems

    ➙ Advanced Settings. Then click the Monitor tab and select a new refresh rate. • See your operating system documentation or help for further information on monitor settings. If these actions do not correct the problem, your monitor might need service. See “Lenovo Support Web site” on page 33 for details.
  • Page 54 • “If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails or errors occur” on page 49 • “If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead, it connects at 100 Mbps”...

  • Page 55: A Wireless Lan Problem

    The Wake on LAN feature is not working Symptom: The Wake on LAN (WOL) feature is not working. Actions: • Make sure that WOL is enabled in the BIOS Setup Utility program. • If it is, check with your LAN administrator for the necessary settings. If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails or errors occur Symptom: If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection...

  • Page 56: Option Problems

    Bluetooth, a PIM item sent from the Windows 7 operating system might be saved as a file with the extension .contact. Option problems Use this information to diagnose problems with Lenovo hardware options that do not have their own troubleshooting information. Select your symptom from the following list: •...

  • Page 57: Performance And Lockup Problems

    If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 33. An option that previously worked does not work now Symptom: An option that previously worked does not work now.
  • Page 58 4. A list of unnecessary file categories is displayed. Select each file category you want to delete, and then click OK. • Procedure 2 1. Open Control Panel. 2. Click Programs. 3. Click Turn Windows features on or off. 4. A list of optional Windows components is displayed. Follow the instructions on the screen. •...

  • Page 59: Printer Problems

    33. For step-by-step instructions on installing memory, see “Installing or replacing a memory module” on page 98. If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 55 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 33.

  • Page 60: Software 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 33 for details. ThinkCentre Hardware Maintenance Manual...

  • Page 61: Usb Problems

    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 62 ThinkCentre Hardware Maintenance Manual...

  • Page 63: 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 2012...

  • 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: 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 66: Selecting A Startup Device

    USB Setup Use this option to enable or disable a USB connector. When a USB connector is disabled, the device connected to the USB connector cannot be used. SATA Controller When this feature is set to Disable, all devices connected to the SATA connectors (such as hard disk drives or the optical drive) are disabled and cannot be accessed.

  • Page 67: Ice Performance Mode

    1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 57. 2. From the Setup Utility program main menu, select Power ➙ Enhanced Power Saving Mode, and press Enter. 3. Select Enabled and press Enter. 4. From the Power menu, select Automatic Power On and press Enter. 5.

  • Page 68: Ice Thermal Alert

    5. Select Better Acoustic Performance or Better Thermal Performance as desired. 6. Press F10 to save changes and exit the Setup Utility program. See “Exiting the Setup Utility program” on page 62. ICE thermal alert You can monitor the thermal function of your computer under critical thermal situations through the ICE Thermal Alert menu.
  • Page 69 • 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. Chapter 6 Using the Setup Utility program...
  • Page 70 ThinkCentre Hardware Maintenance Manual...

  • Page 71: 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 2012...

  • Page 72: Post Error Codes

    The following tables describes beep symptoms. Beep Symptom FRU/Action Perform the following actions in order. 2 short beeps CMOS setting error 1. Start the Setup Utility program and press F10 to Save and exit. See Chapter 6 “Using the Setup Utility program”...
  • Page 73 POST Error code POST Error message Description/Action 1762 This error message is displayed when a hard disk Configuration change has occurred drive or optical drive change has been made. Press F1 to enter the Setup Utility program. Then press F10 to save and exit the Setup Utility program.

  • Page 74: Miscellaneous Error Messages

    Miscellaneous error messages 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 65. 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 2.

  • Page 75: 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 76 d. Extended video memory e. External Cache f. External Cache RAM g. Hard disk drive h. Diskette drive 3. Turn on the power and the computer to re-test the system. 4. Repeat steps 1 through 3 until you find the failing device or adapter cards. If all devices and adapter cards have been removed, and the problem continues, replace the system board.

  • Page 77: Chapter 8. Locations

    Figure 1. Front connector, control, and indicator locations Hard disk drive activity indicator USB 2.0 connector (USB port 1) Power indicator Headphone connector Power switch Microphone connector Optical drive eject/close button USB 2.0 connector (USB port 2) © Copyright Lenovo 2012...

  • Page 78: Locating Connectors On The Rear Of Your Computer

    Locating connectors on the rear of your computer Figure 2 “Rear connector locations” on page 72 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 79: 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. Ethernet connector Used to attach an Ethernet cable for a local area network (LAN). Note: To operate the computer within FCC Class B limits, use a Category 5 Ethernet cable.
  • Page 80 Figure 3. Component locations The following table lists the major FRUs shown in Figure 3 “Component locations” on page 74 and identifies which FRUs also are self-service CRUs or optional-service CRUs. Notes: ThinkCentre Hardware Maintenance Manual...

  • Page 81: 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 82 Figure 4 “System board part locations” on page 76 shows the locations of the parts on one type of system board. Figure 4. System board part locations 4-pin microprocessor power connector Front panel connector (for connecting LED indicators and power switch) Microprocessor Clear CMOS (Complementary Metal Oxide Semiconductor) /Recovery jumper...
  • Page 83 Figure 5 “System board part locations” on page 77 shows the locations of the parts on the other type of system board. Figure 5. System board part locations 4-pin microprocessor power connector Front panel connector (for connecting LED indicators and power switch) Microprocessor Clear CMOS (Complementary Metal Oxide Semiconductor)

  • Page 84: 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. In this manual, the bays are referred to as bay 1, bay 2, and so on. 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 85: Locating Connectors, Controls, And Indicators On The Front Of Your Computer

    For machine types: 2756, 2800, 2929, 2932, 2934, 2941, 2945, 2961, 2982, 2988, 2993, 2996, 3181, 3183, 3185, 3187, 3198, 3202, 3207, 3209, 3214, 3218, 3224, 3227, 3306, 3393, and 3395 Locating connectors, controls, and indicators on the front of your computer Figure 7 “Front connector, control, and indicator locations”...

  • Page 86: Locating Connectors On The Rear Of Your Computer

    Locating connectors on the rear of your computer Figure 8 “Rear connector locations” on page 80 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 87: 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. Ethernet connector Used to attach an Ethernet cable for a local area network (LAN). Note: To operate the computer within FCC Class B limits, use a Category 5 Ethernet cable.
  • Page 88 Figure 9. Locating major FRUs and CRUs The following table lists the major FRUs shown in Figure 9 “Locating major FRUs and CRUs” on page 82 and identifies which FRUs also are 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 89: 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 90 Figure 10 “System board part locations” on page 84 shows the locations of the parts on one type of system board. Figure 10. System board part locations 4-pin microprocessor power connector Front panel connector (for connecting LED indicators and power switch) Microprocessor Clear CMOS (Complementary Metal Oxide Semiconductor) /Recovery jumper...
  • Page 91 Figure 11 “System board part locations” on page 85 shows the locations of the parts on the other type of system board. Figure 11. System board part locations 4-pin microprocessor power connector Front panel connector (for connecting LED indicators and power switch) Microprocessor Clear CMOS (Complementary Metal Oxide Semiconductor)

  • Page 92: 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. In this manual, the bays are referred to as bay 1, bay 2, and so on. Your computer comes with the following factory-installed drives: •...

  • Page 93: For Machine Types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, And 3243

    For machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243 Locating connectors, controls, and indicators on the front of your computer Figure 13 “Front connector, control, and indicator locations” on page 87 shows the locations of the connectors, controls, and indicators on the front of your computer.

  • Page 94: Locating Connectors On The Rear Of Your Computer

    Locating connectors on the rear of your computer Figure 14 “Rear connector locations” on page 88 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 95: Locating Major Frus And Crus

    Connector Description USB 3.0 connector Use this connector to attach a device that requires a USB 2.0 or 3.0 connection, such as a keyboard, a mouse, a scanner, a printer, or a personal digital assistant (PDA). VGA monitor connector Used to attach a VGA monitor or other devices that use a VGA monitor connector. Locating major FRUs and CRUs Figure 15 “Component locations”...
  • Page 96 Figure 15. Component locations ThinkCentre Hardware Maintenance Manual...

  • Page 97: Looking Up Fru Information

    Power switch board ac power adapter WiFi card module Battery Internal speaker Hard disk drive Keyboard Mouse Looking up FRU information For detailed FRU information, such as the FRU part numbers and supported computer models, go to: http:/www.lenovo.com/serviceparts-lookup Chapter 8 Locations...

  • Page 98: Locating Parts On The System Board

    Locating parts on the system board Figure 16 “System board part locations” on page 92 shows the locations of the parts on the system board. Figure 16. System board part locations Internal speaker connector Optional DisplayPort connector Power switch board cable connector System fan connector Mini PCI Express card slot Clear CMOS (Complementary Metal Oxide Semiconductor)

  • Page 99: Chapter 9. Replacing Frus

    Do not open your computer or attempt any repair before reading and understanding the “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 100: 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: Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover.

  • Page 101: Removing And Reinstalling The Front Bezel

    Removing and reinstalling the front bezel 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 and reinstall the front bezel. To remove and reinstall the front bezel, do the following: 1.
  • Page 102 This section provides instructions on how to install or replace a PCI card. Your computer has two standard PCI card slots, one PCI Express x1 card slot, and one PCI Express x16 graphics card slot. To install or replace a PCI card, do the following: 1.
  • Page 103 Figure 20. Removing a PCI card Notes: a. 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. b. If the card is held in place by a retaining latch, press the card retaining latch as shown to disengage the latch.

  • Page 104: Installing Or Replacing A Memory Module

    7. Pivot the card latch to the closed position to secure the PCI card. Figure 21. Installing a PCI 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 150. 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 105 UDIMM DIMM 1 DIMM 2 DIMM 3 DIMM 4 One UDIMM Two UDIMMs X, 1 X, 2 Three UDIMMs X, 3 X, 1 X, 2 Four UDIMMs X, 3 X, 1 X, 4 X, 2 To install or replace a memory module, do the following: 1.

  • Page 106: Installing Or Replacing The Optical Drive

    • If you are installing a memory module, open the retaining clips of the memory slot into which you want to install the memory module. Figure 23. Opening the retaining clips 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.
  • Page 107 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See “Removing the computer cover” on page 94. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 95. 4.

  • Page 108: Installing Or Replacing The Card Reader

    6. Slide the new optical drive into the drive bay from the front of the computer until the optical drive snaps into position. Figure 27. Installing the optical drive 7. Connect the signal cable and the power cable to the new optical drive. Figure 28.

  • Page 109: Installing The Card Reader

    This section provides instructions on how to install or replace the card reader. Note: The card reader is only available in some models. For new installation, see “Installing the card reader” on page 103. For replacement, see “Replacing the card reader” on page 105. Installing the card reader To install the card reader, do the following: 1.
  • Page 110 7. Slide the card reader with retainer into the card reader drive bay until it snaps into position. Figure 31. Installing the card reader 8. Connect the card reader cable to Front USB connector 2 on the system board. See “Locating parts on the system board”...

  • Page 111: Replacing The Card Reader

    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 150. Replacing the card reader To replace the card reader, do the following: 1.

  • Page 112: Replacing The Battery

    8. Slide the new card reader into the drive bay until it snaps into position. Figure 35. Installing the card reader 9. Reconnect the card reader cable to Front USB connector 2 on the system board. See “Locating parts on the system board” on page 75. 10.

  • Page 113: Replacing The Power Supply Assembly

    4. Remove the old battery. Figure 36. Removing the old battery 5. Install a new battery. Figure 37. Installing a new battery 6. Reinstall the computer cover and connect the cables. See “Completing the parts replacement” on page 150. Note: When the computer is turned on for the first time after replacing the battery, an error message might be displayed.
  • Page 114 Hazardous moving parts. Keep fingers and other body parts away. 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.

  • Page 115: Replacing The Heat Sink And Fan Assembly

    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 116 To replace the heat sink and fan assembly, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See “Removing the computer cover” on page 94. 3. Lay the computer on its side for easier access to the system board. 4.

  • Page 117: Replacing The Microprocessor

    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 heat sink and fan assembly cable to the microprocessor fan connector on the system board.
  • Page 118 6. Lift the small handle and open the retainer to access the microprocessor Figure 40. Accessing the microprocessor 7. Lift the microprocessor straight up and out of the microprocessor socket. Figure 41. Removing the microprocessor Notes: a. Your microprocessor and socket might look different from the one illustrated. ThinkCentre Hardware Maintenance Manual...
  • Page 119 b. Note the orientation of the microprocessor in the socket. You can either look for the small triangle on one corner of the microprocessor or note the orientation of the notches on the microprocessor. This is important when installing the new microprocessor on the system board. c.

  • Page 120: Replacing The System Board

    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 150. Replacing the system board Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1.
  • Page 121 Figure 43. Removing the eight screws that secure the system board 10. Slide the system board to the front of the computer and then carefully pivot the failing system board upward to remove it out of the chassis. 11. Remove the microprocessor from the failing system board and install it on the new system board. See “Replacing the microprocessor”...
  • Page 122 Figure 44. Installing the eight screws that secure the new system board 13. Install the heat sink and fan assembly and connect the heat sink and fan assembly cable to the new system board. See “Replacing the heat sink and fan assembly” on page 109. 14.

  • Page 123: Installing The Solid State Drive

    4. Note the orientation of the socket cover, and install one side of the socket cover into the microprocessor socket. Figure 45. 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 124 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 46. Installing the solid state drive into the storage converter 2. To install the solid state drive with the storage converter into the 3.5-inch hard disk drive bracket, flex the bracket and align pin , pin , pin...

  • Page 125: Installing Or Replacing The Msata Solid State Drive

    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 150. Installing or replacing the mSATA solid state drive Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 126 2. Install the two screws to secure the mSATA solid state drive to the storage converter. Figure 49. Installing the screws that secure the mSATA solid state drive 3. Slide the mSATA solid state drive storage converter into the card reader drive bay until it snaps into position.
  • Page 127 Replacing the mSATA solid state drive To replace the mSATA solid state drive, 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 128 7. Remove the two screws that secure the mSATA solid state drive from the storage converter. Figure 52. Removing the screws that secure the mSATA solid state drive 8. Pull the mSATA solid state drive from the mini PCI Express slot on the storage converter. Figure 53.
  • Page 129 9. To install a new mSATA solid state drive, insert the mSATA solid state drive into the mini PCI Express slot on the storage converter, and then press the mSATA solid state drive downward. Figure 54. Installing the mSATA solid state drive into the storage converter 10.

  • Page 130: Replacing The Primary Hard Disk Drive

    11. Slide the mSATA solid state drive storage converter into the card reader drive bay until it snaps into position. Figure 56. Installing the mSATA solid state drive 12. Connect the signal cable and the power cable to the mSATA solid state drive. What to do next: •...
  • Page 131 Figure 57. Removing the primary hard disk drive 6. Flex the sides of the blue bracket to remove the hard disk drive from the bracket. 7. To install a new hard disk drive into the blue bracket, flex the bracket and align pin , pin , pin and pin...

  • Page 132: Replacing The Secondary Hard Disk Drive

    8. Slide the new hard disk drive into the drive cage until it snaps into position. Figure 59. Installing the primary hard disk drive 9. Connect the signal cable and the power cable to the new hard disk drive. What to do next: •...
  • Page 133 5. Pull the blue handle to release and remove the hard disk drive from the hard disk drive cage. Figure 60. Removing the secondary hard disk drive 6. Flex the sides of the blue bracket to remove the hard disk drive from the bracket. 7.

  • Page 134: Replacing The Front Fan Assembly

    8. Slide the new hard disk drive into the hard disk drive cage until it snaps into position. Figure 62. Installing the secondary hard disk drive 9. Connect the signal cable and the power cable to the new hard disk drive. What to do next: •...
  • Page 135 5. The front fan assembly is attached to the chassis by four rubber mounts. Remove the front fan assembly by breaking or cutting the rubber mounts and gently pulling the front fan assembly out of the chassis. Note: The new front fan assembly will have four new rubber mounts attached. Figure 63.

  • Page 136: Replacing The Rear Fan Assembly

    7. Pull the tips of the rubber mounts until the front fan assembly is secured in place. Figure 64. Installing the front fan assembly 8. Connect the front fan assembly cable to the power fan connector on the system board. 9.
  • Page 137 5. The rear fan assembly is attached to the chassis by four rubber mounts. Remove the rear fan assembly by breaking or cutting the rubber mounts and gently pulling the rear fan assembly out of the chassis. Note: The new rear fan assembly will have four new rubber mounts attached. Figure 65.

  • Page 138: Replacing The Front Audio And Usb Assembly

    7. Pull the tips of the rubber mounts until the rear fan assembly is secured in place. Figure 66. 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 139: Replacing The Internal Speaker

    5. Disconnect the front audio and USB assembly cables from the system board. See “Locating parts on the system board” on page 75. Note: Ensure that you note the locations of the cables when you disconnect the cables from the system board.
  • Page 140 This section provides instructions on how to replace the internal speaker. Note: The internal speaker is only available on some models. To replace the internal speaker, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2.

  • Page 141: Replacing The Thermal Sensor

    6. Position the new internal speaker into the four metal clips and push the internal speaker toward the left until it is secured in place. Figure 69. Installing a new internal speaker 7. Connect the internal speaker cable to the system board. See “Locating parts on the system board” on page 75.
  • Page 142 6. From inside the chassis, pivot the upper retaining clip that secures the plastic holder of the thermal sensor downward and then push the clip outward to release the clip. Then disengage the plastic holder holding the thermal sensor from the chassis. Figure 70.

  • Page 143: Replacing The Cover Presence Switch

    8. Insert the connector and cable of the new thermal sensor into the lower 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 71.
  • Page 144 6. Remove the screw that secures the cover presence switch and remove the cover presence switch from the chassis. Figure 72. Removing the cover presence switch ThinkCentre Hardware Maintenance Manual...

  • Page 145: Replacing The Wifi Units

    7. 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 73. Installing the new cover presence switch 8.

  • Page 146: Removing The Wifi Adapter Card

    Removing the WiFi adapter card To remove a WiFi adapter card, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See “Removing the computer cover” on page 94. 3.
  • Page 147 4. At the rear of the computer, press the release button to open the PCI card latch Figure 75. Opening the PCI card latch Chapter 9 Replacing FRUs (machine types: 2697, 2698, 2742, 2750, 2935, 2943, 2960, 2967, 2986, 2992, 2994, 2999, 3182, 3184, 3186, 3190, 3201, 3204, 3208, 3212, 3217, 3220, 3226, 3228, 3302, 3391, and 3392)
  • Page 148 5. Grasp the WiFi adapter card that is currently installed and gently pull it out of the slot. Figure 76. 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 149 2. Remove the two screws that secure the WiFi card module to the WiFi adapter card. Figure 78. Removing the screws that secure the WiFi card module 3. Pull the WiFi card module out of the mini PCI Express slot to remove it from the WiFi adapter card. Figure 79.
  • Page 150 1. Insert the WiFi card module into the mini PCI Express slot, and then install the two screws to secure the WiFi card module to the WiFi adapter card. Figure 80. Installing the WiFi card module ThinkCentre Hardware Maintenance Manual...
  • Page 151 2. Connect the front antenna cable and rear antenna cable to the WiFi card module. Figure 81. Installing the WiFi antenna cables 3. Install the WiFi adapter card into the PCI Express x1 slot on the system board. See “Locating parts on the system board”...

  • Page 152: Installing Or Removing The Rear Wifi 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 150. Installing or removing the rear WiFi antenna Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...

  • Page 153: Installing Or Removing The Front Wifi Antenna

    2. Straighten the rear WiFi antenna so that it can be more easily twisted. 3. Hold the thicker end of the rear WiFi antenna and unscrew the WiFi antenna from the rear of the computer. Figure 84. Removing the rear WiFi antenna What to do next: •...
  • Page 154 Figure 85. 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. Figure 86. Installing the front WiFi antenna 6.

  • Page 155: Replacing The Keyboard Or Mouse

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

  • Page 156: Completing The Parts Replacement

    3. Disconnect the old keyboard cable or mouse cable from the computer. 4. 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”...
  • Page 157 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 Customer Replaceable Unit (CRU). Information about this will come with the CRU or will come a few days after the CRU arrives.
  • Page 158 ThinkCentre Hardware Maintenance Manual...

  • Page 159: Chapter 10. Replacing Frus

    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 160: Opening The Computer Cover

    Opening 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 open the computer cover. CAUTION: Turn off the computer and wait three to five minutes to let the computer cool before opening the computer cover.
  • Page 161 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. Figure 91. Removing the front bezel Chapter 10 Replacing FRUs (machine types: 2756, 2800, 2929, 2932, 2934, 2941, 2945, 2961, 2982, 2988, 2993, 2996, 3181, 3183, 3185, 3187, 3198, 3202, 3207, 3209, 3214, 3218, 3224, 3227, 3306, 3393, and 3395)

  • Page 162: Accessing The System Board Components And Drives

    4. To reinstall the front bezel, align the other three plastic tabs on the bottom of the front bezel with the corresponding holes in the chassis, then pivot the front bezel inward until it snaps into position. Figure 92. Reinstalling the front bezel What to do next: •...

  • Page 163: Installing Or Replacing A Memory Module

    6. Pivot the optical drive bay upward to access the system board components and the cables. See “Replacing the optical drive” on page 178. 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.
  • Page 164 • If you are replacing an old memory module, open the retaining clips and gently pull the memory module out of the memory slot. Figure 93. 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 165: Installing Or Replacing A Pci Card

    10. 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 95.
  • Page 166 Figure 96. Removing a PCI card Notes: a. 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. b. If the card is held in place by a retaining latch, press the card retaining latch as shown to disengage the latch.

  • Page 167: Installing Or Replacing The Card Reader

    6. Install the new card into the appropriate card slot on the system board and rotate the card retainer to the closed position. See “Locating parts on the system board” on page 83. Figure 97. Installing the PCI card What to do next: •...
  • Page 168 Note: You might have to remove the metal cover of the card reader drive bay. 5. Install the new card reader into the card reader bracket. Then install the two screws to secure the card reader to the bracket. 6. Install the card reader bracket to the chassis. Then push the bracket to the left to align the screw hole in the bracket with the corresponding hole in the chassis.
  • Page 169 7. Install the screw to secure the card reader bracket to the chassis. Figure 99. Installing the screw that secures the card reader 8. Connect the card reader cable to one of the USB connectors on the system board. See “Locating parts on the system board”...
  • Page 170 Replacing the card reader To replace the 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 171 9. Install the card reader bracket to the chassis. Then push the bracket to the left to align the screw hole in the bracket with the corresponding hole in the chassis. Figure 102. Installing the card reader Chapter 10 Replacing FRUs (machine types: 2756, 2800, 2929, 2932, 2934, 2941, 2945, 2961, 2982, 2988, 2993, 2996, 3181, 3183, 3185, 3187, 3198, 3202, 3207, 3209, 3214, 3218, 3224, 3227, 3306, 3393, and 3395)

  • Page 172: Installing Or Replacing The Msata Solid State Drive

    10. Install the screw to secure the card reader bracket to the chassis. Figure 103. Installing the screw that secures the card reader 11. Reconnect the card reader cable to one of the USB connectors on the system board. See “Locating parts on the system board”...
  • Page 173 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. Open the computer cover. See “Opening the computer cover” on page 154. 3.
  • Page 174 Figure 106. Installing the mSATA solid state drive storage converter 8. Install the screw to secure the mSATA solid state drive storage converter to the chassis. ThinkCentre Hardware Maintenance Manual...
  • Page 175 Figure 107. Installing the screw that secures the mSATA solid state drive storage converter 9. Connect the signal cable and the power cable to the mSATA solid state drive. 10. Pivot the optical drive bay downward until it snaps into position. 11.
  • Page 176 Figure 108. Removing the mSATA solid state drive storage converter 8. Remove the two screws that secure the mSATA solid state drive from the storage converter. Figure 109. Removing the screws that secure the mSATA solid state drive ThinkCentre Hardware Maintenance Manual...
  • Page 177 9. Remove the mSATA solid state drive from the mini PCI Express slot on the storage converter. Figure 110. Removing the mSATA solid state drive 10. To install a new mSATA solid state drive, insert the mSATA solid state drive into the mini PCI Express slot on the storage converter, and then press the mSATA solid state drive downward.
  • Page 178 12. Insert the mSATA solid state drive storage converter into the chassis. Then push the converter to the left to align the screw hole in the converter with the corresponding hole in the chassis. Figure 113. Installing the mSATA solid state drive storage converter ThinkCentre Hardware Maintenance Manual...

  • Page 179: Replacing The Battery

    13. Install the screw to secure the mSATA solid state drive storage converter to the chassis. Figure 114. Installing the screw that secures the storage converter 14. Connect the signal cable and the power cable to the mSATA solid state drive. 15.

  • Page 180: Installing The Solid State Disk

    Refer to the “Lithium battery notice” in the ThinkCentre Safety and Warranty Guide for information about replacing and disposing of the battery. To replace the battery, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2.
  • Page 181 To install the solid state disk, do the following: 1. Install the solid state disk into the adapter. Then, install the four screws to secure the solid state disk to the adapter. Figure 117. Installing the solid state disk into the adapter 2.

  • Page 182: Replacing The Hard Disk Drive

    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 210. Replacing the hard disk drive Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1.
  • Page 183 6. Flex the retaining clips as shown to remove the hard disk drive from the bracket. Figure 120. Removing the hard disk drive from the bracket 7. To install a new hard disk drive into the bracket, flex the bracket and align pin , pin , pin , and pin...

  • Page 184: Replacing The Optical Drive

    9. Insert the two retaining clips of the hard disk drive bracket into the corresponding holes in the side of the optical drive bay, and then pivot the hard disk drive and bracket downwards until the hard disk drive bracket snaps into position. Figure 121.
  • Page 185 5. Press the blue retaining clip to pivot the optical drive bay upward. Figure 122. Pivoting the optical drive bay 6. Disconnect the signal cable and the power cable from the rear of the optical drive. Chapter 10 Replacing FRUs (machine types: 2756, 2800, 2929, 2932, 2934, 2941, 2945, 2961, 2982, 2988, 2993, 2996, 3181, 3183, 3185, 3187, 3198, 3202, 3207, 3209, 3214, 3218, 3224, 3227, 3306, 3393, and 3395)
  • Page 186 7. Press the optical drive lock and slide the optical drive out of the rear of the drive bay assembly. Figure 123. Removing the old optical drive 8. Install the optical drive retainer on the side of the new optical drive. Figure 124.

  • Page 187: Replacing The Heat Sink And Fan Assembly

    9. Slide the new optical drive into the drive bay until it snaps into position. Figure 125. Installing a new optical drive 10. Connect the signal cable and the power cable to the rear of the optical drive. What to do next: •...
  • Page 188 3. Disconnect the heat sink and fan assembly cable from the microprocessor fan connector on the system board. See “Locating parts on the system board” on page 83. 4. Follow this sequence to remove the four screws that secure the heat sink and fan assembly to the system board: a.
  • Page 189 6. Pivot the two plastic retaining clips that secure the heat sink fan duct outward. Then remove the heat sink fan duct from the failing heat sink and fan assembly. Figure 127. Removing the heat sink fan duct 7. Place the new heat sink and fan assembly on the system board so that the four screws are aligned with the corresponding holes in the system board.

  • Page 190: Replacing The Power Supply Assembly

    10. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until it snaps into position. Figure 128. Installing the heat sink fan duct What to do next: • To work with another piece of hardware, go to the appropriate section. •...
  • Page 191 Hazardous moving parts. Keep fingers and other body parts away. 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.
  • Page 192 5. Pivot the two plastic retaining clips that secure the heat sink fan duct outward, and then lift the heat sink fan duct out of the chassis. Figure 129. Removing the heat sink fan duct ThinkCentre Hardware Maintenance Manual...
  • Page 193 6. Pivot the optical drive upward and disconnect the power supply assembly cables from all drives and from power connectors on the system board. Figure 130. Power connectors on the system board Note: You might also need to release the power supply assembly cables from some cable clips or ties that secure the cables to the chassis.
  • Page 194 Then, install the three screws to secure the new power supply assembly in place. Note: Use only screws provided by Lenovo. Figure 132. Installing the power supply assembly 10.

  • Page 195: Replacing The Microprocessor

    11. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until it snaps into position. Figure 133. Installing the heat sink fan duct What to do next: • To work with another piece of hardware, go to the appropriate section. •...
  • Page 196 3. Locate the system board and disconnect all cables connected to the system board. See “Locating parts on the system board” on page 83. 4. Remove the heat sink and fan assembly with the fan duct. See “Replacing the heat sink and fan assembly”...
  • Page 197 b. Note the orientation of the microprocessor in the socket. You can either look for the small triangle on one corner of the microprocessor or note the orientation of the notches on the microprocessor. This is important when installing the new microprocessor on the system board. c.

  • Page 198: Replacing The System Board

    12. Reinstall the heat sink and fan assembly with the fan duct as shown. See “Replacing the heat sink and fan assembly” on page 181. Figure 137. Reinstalling the heat sink and fan assembly with the fan duct 13. Reconnect all cables that were disconnected from the system board. What to do next: •...
  • Page 199 2. Open the computer cover. See “Opening the computer cover” on page 154. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 154. 4. Pivot the optical drive bay assembly upward to gain access to the system board. See “Accessing the system board components and drives”...
  • Page 200 Figure 139. Installing the eight screws that secure the new system board 12. Install the heat sink and fan assembly and connect the heat sink and fan assembly cable to the new system board. See “Replacing the heat sink and fan assembly” on page 181. 13.

  • Page 201: Replacing The Cover Presence Switch

    4. Note the orientation of the socket cover, and install one side of the socket cover into the microprocessor socket. Figure 140. 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 202 6. Remove the screw that secures the cover presence switch and remove the cover presence switch from the chassis. Figure 141. Removing the cover presence switch 7. 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.

  • Page 203: Replacing The Internal Speaker

    8. Install the screw to secure the cover presence switch to the chassis. Figure 142. Installing the new cover presence switch 9. Reconnect the cover presence switch cable to the system board. See “Locating parts on the system board” on page 83. 10.
  • Page 204 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Open the computer cover. See “Opening the computer cover” on page 154. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 154. 4.

  • Page 205: Replacing The Front Audio And Usb Assembly

    Figure 144. Installing the new internal speaker 9. Reconnect the internal speaker cable to the system board. See “Locating parts on the system board” on page 83. 10. Reinstall the cover presence switch. See “Replacing the cover presence switch” on page 195. 11.
  • Page 206 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. Open the computer cover. See “Opening the computer cover” on page 154. 3.

  • Page 207: Replacing The Wifi Units

    Replacing the WiFi units 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 WiFi units. The WiFi units include a WiFi adapter card, a WiFi card module, and a rear WiFi antenna cable.
  • Page 208 5. Grasp the WiFi adapter card that is currently installed and gently pull it out of the slot. Figure 147. 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 209 2. Remove the two screws that secure the WiFi card module to the WiFi adapter card. Figure 149. Removing the screws that secure the WiFi card module 3. Pull the WiFi card module out of the mini PCI Express slot to remove it from the WiFi adapter card. Figure 150.
  • Page 210 1. Insert the WiFi card module into the mini PCI Express slot, and then install the two screws to secure the WiFi card module to the WiFi adapter card. Figure 151. Installing the WiFi card module 2. Connect the front antenna cable and rear antenna cable to the WiFi card module. Figure 152.

  • Page 211: Installing Or Removing The Rear Wifi Antenna

    3. Install the WiFi adapter card into the PCI Express x1 slot on the system board. See “Locating parts on the system board” on page 83. 4. If the installed WiFi card module supports the Bluetooth function, use a Bluetooth cable to connect the Bluetooth connector on the WiFi adapter card to the front USB connector on the system board.
  • Page 212 Figure 154. Installing the rear WiFi 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 210. Removing the rear WiFi antenna To remove the rear WiFi antenna, do the following: 1.

  • Page 213: Installing Or Removing The Front Wifi Antenna

    3. Hold the thicker end of the rear WiFi antenna and unscrew the WiFi antenna from the rear of the computer. Figure 155. Removing the rear WiFi antenna What to do next: • To work with another piece of hardware, go to the appropriate section. •...
  • Page 214 Figure 156. Peeling off the paper that protects the stickers 6. Stick the front antenna to the front panel as shown. Then insert the front antenna cable through the hole in the front panel. Figure 157. Installing the front WiFi antenna ThinkCentre Hardware Maintenance Manual...

  • Page 215: Removing The Front Wifi Antenna

    7. Connect the front antenna cable to the WiFi card module. 8. Reinstall the hard disk drive. See “Replacing the hard disk drive” on page 176. What to do next: • To work with another piece of hardware, go to the appropriate section. •...

  • Page 216: Replacing The Keyboard Or Mouse

    Replacing the keyboard or mouse 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 keyboard or mouse. To replace the keyboard or mouse, do the following: 1.
  • Page 217 8. To update your configuration, see Chapter 6 “Using the Setup Utility program” on page 57. Note: In most areas of the world, Lenovo requires the return of the defective Customer Replaceable Unit (CRU). Information about this will come with the CRU or will come a few days after the CRU arrives.
  • Page 218 ThinkCentre Hardware Maintenance Manual...

  • Page 219: Chapter 11. Replacing Frus

    Chapter 11. Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243) This chapter provides information about the FRU replacement instructions. Important: Be sure to read and understand Chapter 2 “Safety information” on page 3 before replacing any FRU.
  • Page 220 This section provides instructions on how to install or remove the vertical stand. Note: The vertical stand is only available on some models. To install or remove the vertical stand, do the following: 1. Turn off the computer. 2. Align the rear of the computer with the rear of the vertical stand and position the computer on the vertical stand as shown.

  • Page 221: Installing Or Removing The Vesa Mount Bracket

    To install or remove the VESA mount bracket, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 222 2. To install the VESA mount bracket, slide the computer into the VESA mount bracket. Figure 162. Installing the VESA mount bracket 3. Install the two screws to secure the VESA mount bracket to the computer. Figure 163. Installing the screws that secure the VESA mount bracket ThinkCentre Hardware Maintenance Manual...

  • Page 223: 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. Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 224 This section provides instructions on how to remove the computer cover. CAUTION: Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover. To remove the computer cover, do the following: 1.

  • Page 225: Installing Or Replacing A Memory Module

    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. Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 226 Your computer has two slots for installing or replacing DDR3 SODIMMs that provide up to a maximum of 16 GB system memory. When installing or replacing a memory module, use 2 GB, 4GB, or 8GB DDR3 SODIMMs in any combination up to a maximum of 16 GB. To install or replace a memory module, do the following: 1.

  • Page 227: Replacing The Optical Drive

    3. Remove the screw that secures the optical drive box on the VESA mount bracket and then slide the optical drive box to remove it from the VESA mount bracket. Figure 170. Removing the optical drive box Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 228 4. Remove the screw that secures the optical drive in the optical drive box. Use the screwdriver to slide the optical drive forward and then remove the optical drive from the optical drive box. Figure 171. Removing the optical drive from the optical drive box 5.
  • Page 229 7. Slide the new optical drive into the optical drive box until it snaps into position. Figure 174. Installing the optical drive into the optical drive box Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 230 8. Install the screw that secures the optical drive in the optical drive box. Figure 175. Installing the screw that secures the optical drive ThinkCentre Hardware Maintenance Manual...
  • Page 231 9. Align the screw holes in the optical drive box with the two screws on the VESA mount bracket and then slide the optical drive box to install it on the VESA mount bracket. Figure 176. Installing the optical drive box Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)

  • Page 232: Replacing The Secondary Hard Disk Drive

    10. Install the screw that secures the optical drive box on the VESA mount bracket. Figure 177. 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 233 4. Slide the release button on the optical drive box and then remove the secondary hard disk drive adapter from the optical drive box. Figure 179. Removing the secondary hard disk drive adapter from the optical drive box Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 234 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 180. 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 235 8. Position the adapter into the adapter bracket and then pivot the adapter downward until it snaps into position. Figure 183. Installing the hard disk drive adapter into the adapter bracket Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 236 9. Slide the adapter bracket into the optical drive box until it snaps into position. Figure 184. Installing the adapter bracket into the optical drive box ThinkCentre Hardware Maintenance Manual...
  • Page 237 10. Align the screw holes in the optical drive box with the two screws on the VESA mount bracket and then slide the optical drive box to install it on the VESA mount bracket. Figure 185. Installing the optical drive box Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)

  • Page 238: Replacing The Battery

    11. Install the screw that secures the optical drive box on the VESA mount bracket. Figure 186. Installing the screw that secures the optical drive box 12. Connect the secondary hard disk drive cable to a USB connector on the computer. See “Locating connectors on the rear of your computer”...

  • Page 239: Replacing The Ac Power Adapter

    To replace the ac power adapter, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 240 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 from the ac power adapter connector. See “Locating connectors on the rear of your computer” on page 88. Figure 189.

  • Page 241: Replacing The Ac Power Adapter Bracket

    To replace the ac power adapter bracket, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 242 2. Press the metal tab and then slide the ac power adapter bracket to remove it from the VESA mount bracket. Figure 191. Removing the ac power adapter bracket 3. 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 to install it on the VESA mount bracket.

  • Page 243: Replacing The Power Switch Board

    7. Remove the screw that secures the power switch board to the computer. Figure 193. Removing the screw that secures the power switch board Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 244 8. Remove the power switch board from the computer. Figure 194. Removing the power switch board 9. Align the hole in the new power switch board with the corresponding tab on the computer and position the new power switch board in the computer. Figure 195.

  • Page 245: Replacing The Heat Sink

    2. Remove the computer cover. See “Removing the computer cover” on page 217. 3. Locate the heat sink on the system board. See “Locating major FRUs and CRUs” on page 89. Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 246 4. Pull the intrusion switch to remove it from the heat sink bracket. Figure 197. Removing the intrusion switch 5. Follow this sequence to remove the four screws that secure the heat sink and fan assembly to the system board: a.
  • Page 247 , and then fully tighten screw 9. Attach the intrusion switch to the heat sink bracket. Figure 200. Installing the intrusion switch Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)

  • Page 248: Replacing The Microprocessor

    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 262. Replacing the microprocessor Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page 1.
  • Page 249 8. Hold the new microprocessor by its sides and align the small triangle on one corner of the new microprocessor with the corresponding small triangle on one corner of the microprocessor socket. Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)

  • Page 250: Replacing The System Board

    9. Lower the new microprocessor straight down into the microprocessor socket on the system board. Figure 203. Installing the microprocessor 10. Close the microprocessor retainer and lock it into position with the small handle to secure the new microprocessor in the socket. 11.
  • Page 251 9. Remove the five screws that secure the system board to the chassis by following the sequence shown in the following illustration. Figure 204. Removing the five screws that secure the system board Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 252 10. Pivot the failing system board upward to remove it out of the chassis. Figure 205. 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 242. 12.

  • Page 253: Replacing The Hard Disk Drive Bracket

    3. Locate the hard disk drive. See “Locating major FRUs and CRUs” on page 89. 4. Disconnect the signal cable and the power cable from the hard disk drive. Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 254 5. Remove the two screws that secure the hard disk drive bracket on the system board. Figure 207. Removing the screws that secure the hard disk drive bracket ThinkCentre Hardware Maintenance Manual...
  • Page 255 6. Slide the hard disk drive bracket toward the heat sink and then lift the hard disk drive bracket to remove it from the computer. Figure 208. Removing the hard disk drive bracket Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 256 7. To install the hard disk drive bracket into the computer, position the hard disk drive bracket on the system board so that the two holes in the hard disk drive bracket are aligned with the standoffs on the system board. Slide the hard disk drive bracket as shown until the two screw holes are aligned with the corresponding screw posts on the system board.

  • Page 257: Replacing The Hard Disk Drive

    • 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 262. Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)

  • Page 258: Replacing The Wifi Card Module

    Replacing the WiFi card 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 replace the WiFi card module. Note: The WiFi card module is only available in some models. To replace the WiFi card module, do the following: 1.
  • Page 259 Figure 216. Installing the WiFi card module 8. Install the hard disk drive bracket. See “Replacing the hard disk drive bracket” on page 247. Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)

  • Page 260: Installing Or Removing The Rear Wifi 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 262. Installing or removing the rear WiFi antenna Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
  • Page 261 To remove the rear WiFi antenna, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 262 2. Straighten the rear WiFi antenna so that it can be more easily twisted. 3. Hold the thicker end of the rear WiFi antenna and unscrew the WiFi antenna from the rear of the computer. Figure 219. Removing the rear WiFi antenna Figure 220.

  • Page 263: Replacing The System Fan

    6. Remove the four screws that secure the system fan to the system board. Figure 221. Removing the screws that secure the system fan Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 264 7. Lift the failing system fan off the system board. Figure 222. Removing the system fan 8. Position the new system fan on the system board so that the four screws are aligned with the screw posts on the system board. Figure 223.

  • Page 265: Replacing The Internal Speaker

    4. Remove the hard disk drive bracket. See “Replacing the hard disk drive bracket” on page 247. 5. Disconnect the internal speaker cable from the system board. See “Locating parts on the system board” on page 92. Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 266 6. Press the tab that secures the internal speaker and then pivot the internal speaker outward as shown to completely remove the internal speaker from the internal speaker holder. Figure 225. Removing the internal speaker ThinkCentre Hardware Maintenance Manual...

  • Page 267: Replacing The Keyboard Or Mouse

    This section provides instructions on how to replace the keyboard or mouse. To replace the keyboard or mouse, do the following: 1. Disconnect the old keyboard cable or mouse cable from the computer. Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)

  • Page 268: 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 87 or “Locating connectors on the rear of your computer”...
  • Page 269 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 228. Installing the computer cover Chapter 11 Replacing FRUs (machine types: 2119, 2121, 3229, 3234, 3235, 3236, 3237, 3238, 3240, 3242, and 3243)
  • Page 270 7. 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 Customer Replaceable Unit (CRU). Information about this will come with the CRU or will come a few days after the CRU arrives.

  • Page 271: Chapter 12. Additional Service Information

    “Using passwords” on page 57. Operating system password Note: This section applies only to computer models that have an operating system preinstalled from Lenovo. An operating system password is very similar to a power-on password and denies access to the computer by an unauthorized user when the password is activated.

  • Page 272: 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) operating system, do the following: 1.

  • Page 273: 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 274: Power Management

    Power management Power management reduces the power consumption of certain components of the computer such as the system power supply, processor, hard disk drives, and some monitors. Advanced Configuration and Power Interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is allowed to control the power management features of the computer and the setting for Advanced Power Management (APM) BIOS mode is ignored.

  • Page 275: 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 276: 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 277: Index

    Description 72, 88 keyboard connector 73, 81 devices, handling static-sensitive 93, 153, 213 keyboard, replacing 149, 210, 261 diagnostics, troubleshooting DisplayPort connector 73, 81, 88 drives bays 78, 86 specifications 78, 86 Lenovo Solution Center © Copyright Lenovo 2012...
  • Page 278 locating components 73, 81, 89 replacing looking up part numbers 1, 71, 75, 83, 91, 93, 153, 213 battery 106, 173, 232 card reader hard disk drive 124, 176, 251 hard disk drive bracket heat sink memory module heat sink and fan assembly 109, 181 installing, replacing 98, 157, 219...
  • Page 279 VGA monitor connector 73, 81, 89 viewing and changing settings WiFi card module, replacing WiFi units, WiFi adapter card, WiFi card module, WiFi antenna cable, replacing WiFi units, WiFi adapter card, WiFi card module, WiFi antenna cable, replacing © Copyright Lenovo 2012...
  • Page 280 ThinkCentre Hardware Maintenance Manual...
  • Page 282 Part Number: Printed in USA (1P) P/N: *1P*...

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