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Lenovo ThinkStation 2551 Hardware Maintenance Manual
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Lenovo ThinkStation 2551 Hardware Maintenance Manual

Lenovo ThinkStation 2551 Hardware Maintenance Manual

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ThinkStation
Hardware Maintenance Manual
Machine Types: 2551, 2552, 2553, 2554, 2555, 3688, 3690, 3691,
3693, and 3695

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Summary of Contents for Lenovo ThinkStation 2551

  • Page 1 ThinkStation Hardware Maintenance Manual Machine Types: 2551, 2552, 2553, 2554, 2555, 3688, 3690, 3691, 3693, and 3695...
  • Page 3 ThinkStation Hardware Maintenance Manual Machine Types: 2551, 2552, 2553, 2554, 2555, 3688, 3690, 3691, 3693, and 3695...
  • Page 4 “Important Safety Information” on page 1 and Appendix A “Notices” on page 173. 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 5: Table Of Contents

    ICE performance mode ... Lenovo Support Web site ..ICE thermal alert ....
  • Page 6 Locating connectors on the rear of your Removing and reinstalling the front bezel . . computer ....Accessing the system board components and Locating major FRUs and CRUs ..drives .

  • 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 Chapter 2 “Safety information” on page 3. Chapter 8 “Symptom-to-FRU Index” on page 65 and Chapter 12 “Additional service information” on page 169 are not specific to any machine type.
  • Page 8 ThinkStation 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 and some computers do not have a voltage-selection switch. Before you install your computer or relocate your computer to another country or region, you must be certain that you have matched your computer to the voltage available at your electrical outlet.

  • Page 12: Handling Electrostatic Discharge-Sensitive Devices

    3. Check the power cord for: a. A third-wire ground connector in good condition. Use a meter to measure third-wire ground continuity for 0.1 ohm or less between the external ground pin and frame ground. b. The power cord should be the appropriate type as specified in the parts listings. c.
  • Page 13 • English • Arabic • Brazilian/Portuguese • Chinese (simplified) • Chinese (traditional) • French • German • Hebrew • Italian • Korean • Spanish DANGER Electrical current from power, telephone and communication cables is hazardous. To avoid a shock hazard: •...
  • Page 14 it only with the same module type made by the same manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of. Do not: • Throw or immerse into water • Heat to more than 100°C (212°F) •...
  • Page 15 Chapter 2 Safety information...
  • Page 16 ≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) ThinkStation Hardware Maintenance Manual...
  • Page 17 PERIGO A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicações é perigosa. 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. •...
  • Page 18 Não: • Jogue ou coloque na água • Aqueça a mais de 100°C (212°F) • Conserte nem desmonte Descarte a bateria conforme requerido pelas leis ou regulamentos locais. PRECAUCIÓN: Quando produtos a laser (como unidades de CD-ROMs, unidades de DVD-ROM, dispositivos de fibra ótica ou transmissores) estiverem instalados, observe o seguinte: •...
  • Page 19 Chapter 2 Safety information...
  • Page 20 ThinkStation 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 Connexion Déconnexion 1. Mettez les unités HORS TENSION. 1. Mettez les unités HORS TENSION. 2. Commencez par brancher tous les cordons sur les 2. Débranchez les cordons d'alimentation des prises. unités. 3. Débranchez les câbles d'interface des connecteurs. 3. Branchez les câbles d'interface sur des connecteurs. 4.
  • Page 24 ≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) ATTENTION: Soulevez la machine avec précaution. ATTENTION: L'interrupteur de contrôle d'alimentation de l'unité et l'interrupteur dubloc d'alimentation ne coupent pas le courant électrique alimentantl'unité. En outre, le système peut être équipé de plusieurs cordonsd'alimentation.
  • Page 25 • Die Verbindung zu den angeschlossenen Netzkabeln, Telekommunikationssystemen, Netzwerken und Modems ist vor dem Öffnen des Gehäuses zu unterbrechen, sofern in den Installations- und Konfigurationsprozeduren keine anders lautenden Anweisungen enthalten sind. • Zum Installieren, Transportieren und Öffnen der Abdeckungen des Computers oder der angeschlossenen Einheiten die Kabel gemäß...
  • Page 26 Laserstrahlung bei geöffneter Verkleidung. Nicht in den Strahl blicken. Keine Lupen oder Spiegel verwenden. Strahlungsbereich meiden. ≥18 kg ≥32 kg ≥55 kg ACHTUNG: Arbeitsschutzrichtlinien beim Anheben der Maschine beachten. ACHTUNG: Mit dem Netzschalter an der Einheit und am Netzteil wird die Stromversorgung für die Einheit nicht unterbrochen.
  • 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 • Collegare alle prese elettriche appropriate tutte le apparecchiature che verranno utilizzate per questo prodotto. • Se possibile, utilizzare solo una mano per collegare o scollegare i cavi di segnale. • Non accendere assolutamente apparecchiature in presenza di incendi, perdite d'acqua o danno strutturale.
  • Page 30 PERICOLO Alcune unità laser contengono un diodo laser di Classe 3A o Classe 3B. Tener presente quanto segue: Aprendo l'unità vengono emesse radiazioni laser. Non fissare il fascio, non guardarlo direttamente con strumenti ottici ed evitare l'esposizione al fascio. ≥18 kg ≥32 kg ≥55 kg ATTENZIONE:...
  • Page 31 Chapter 2 Safety information...
  • Page 32 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 33 • 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. • Conecte y desconecte los cables, como se describe en la tabla siguiente, cuando instale, mueva o abra las cubiertas de este producto o de los dispositivos conectados.
  • Page 34 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 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: 3688, 3690, 3691, 3693, And 3695

    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 37 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 38: Accessing Lenovo Programs On The Windows 8 Operating System

    Lenovo program to launch it. 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 39: 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 40 – 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 41: 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 32 for additional troubleshooting resources. Basic troubleshooting The following table provides information to help you troubleshoot your computer problems.

  • Page 42: 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 program. See “Lenovo Solution Center” on page 53 for more information. • If the diagnostic program detects a hardware failure, contact the Lenovo Customer Support Center.

  • Page 43: Troubleshooting

    • If you are unable to run the diagnostic program, contact the Lenovo Customer Support Center. See “Lenovo Support Web site” on page 32 for more information. • If the diagnostic program does not detect a hardware failure, continue with the next step.

  • Page 44: No Audio In Windows

    • 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 53 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 45: Cd Problems

    • If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 53 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32. CD problems Select your symptom from the following list: •...

  • Page 46: 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 53 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 47: Intermittent Problems

    • Ensure that video resolution is set to less than 1152 x 864. If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 53 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 48: Keyboard, Mouse, Or Pointing Device Problems

    If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See “Lenovo Solution Center” on page 53. If you need technical assistance, see “Lenovo Support Web site” on page 32. "No Operating System Found" message or the system not starting from the correct hard disk drive Symptom: "No Operating System Found"...
  • Page 49 See “Enabling or disabling a device” on page 57. If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 53 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 50: Monitor Problems

    If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 53 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 51: 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 32 for details.

  • Page 52: Ethernet Problems

    For more information, see “Lenovo Support Web site” on page 32. Ethernet problems For Ethernet problems, select your symptom from the following list: • “Your computer cannot connect to the network” on page 46 • “The adapter stops working for no apparent reason” on page 47 •...

  • Page 53: A Wireless Lan Problem

    The adapter stops working for no apparent reason Symptom: The adapter stops working for no apparent reason. Action: The network driver files may be corrupt or missing. Update the driver by referring to the “Solution” description for the procedure to make sure that the correct device driver is installed. The Wake on LAN feature is not working Symptom: The Wake on LAN (WOL) feature is not working.

  • Page 54: 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 55: Performance And Lockup Problems

    If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 53 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.
  • Page 56 • Procedure 1 1. On the Windows 7 operating system, click Start ➙ Computer. On the Windows 8 operating system, open the Windows Explorer and click Computer. 2. Right-click your C drive entry and then click Properties. 3. Click Disk Cleanup. 4.

  • Page 57: Printer Problems

    32. For step-by-step instructions on installing memory, see “Installing or replacing a memory module” on page 93. If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 53 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32.

  • Page 58: Software Problems

    If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 53 for instructions). If you need technical assistance, see “Lenovo Support Web site” on page 32. Software problems Select your symptom from the following list: •...

  • Page 59: 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 60 ThinkStation Hardware Maintenance Manual...

  • Page 61: 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 62: 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 63: 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 64: Selecting A Startup Device

    Selecting a startup device If your computer does not start up from a device such as the disc or hard disk drive as expected, do one of the following to select the startup device you want. • Select a temporary startup device. See “Selecting a temporary startup device” on page 58. •...

  • Page 65: Ice Performance Mode

    • Pressing the power switch • Enabling the wake up on alarm feature The wake up on alarm feature enables your computer to wake up at a set time. To enable the wake up on alarm feature, do the following: 1.

  • Page 66: Changing The Bios Settings Before Installing A New Operating System

    After enabling the ICE thermal alert function, when critical thermal situations occur, such as malfunctioning fans, abnormally high temperature, and poor cooling performances, an alert log will be written into the Windows system log. The alert log can help you identify the thermal problems. To configure the ICE thermal alert function, do the following: 1.

  • Page 67: Chapter 7. Configuring Raid

    • If zero to four SATA hard disk drives or solid state drives are installed, no hard disk drive enablement module is needed. • If five SATA hard disk drives or solid state drives are installed, the SATA hard disk drive enablement module (one to five hard disk drives) is required. © Copyright Lenovo 2012...

  • Page 68: Configuring Sata Raid Functionality With The Intel Rste Configuration Utility

    Configuring SATA RAID functionality with the Intel RSTe configuration utility This section describes the information about configuring SATA RAID functionality with the Intel RSTe configuration utility Note: The Intel RSTe configuration utility assumes that your computer is installed with more than one hard disk drive.
  • Page 69 d. Strip Size: Press the up and down arrow keys to select a strip size. e. Capacity: Customize the capacity of the RAID volume. The default RAID volume is the largest value. 4. Press Enter to finish configuring all the five options. When prompted, press Y to confirm the creation of the new RAID volume.
  • Page 70 ThinkStation Hardware Maintenance Manual...

  • Page 71: Chapter 8. Symptom-To-Fru Index

    Check the power cord for continuity. Power cord Check the turn on switch for continuity. Turn 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 SATA device 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 turn 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.

  • 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 Turn on indicator or hard disk drive in-use light not on, but 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 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 77: Chapter 9. Locations

    Figure 1. Front connector, control, and indicator locations Optical drive eject/close button USB 2.0 connector (USB port 1) Hard disk drive activity indicator Headphone connector Power indicator Microphone connector Power switch 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. 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 80 Figure 3. Locating major FRUs and CRUs The following table lists the major FRUs shown in Figure 3 “Locating major FRUs and CRUs” on page 74 and identifies which FRUs also are self-service CRUs or optional-service CRUs. Notes: ThinkStation Hardware Maintenance Manual...

  • Page 81: Looking Up Fru Information

    Front fan assembly Graphics (PCI) card (available in some models) Rear fan assembly Power supply assembly 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 9 Locations...

  • Page 82: Locating Parts On The System Board

    Locating parts on the system board Figure 4 “System board part locations” on page 76 shows the locations of the parts on the system board. Figure 4. System board part locations ThinkStation Hardware Maintenance Manual...
  • Page 83 4-pin power connector Front USB connector 1 (for connecting USB port 1 and 2 on the front bezel) Microprocessor fan connector Battery Memory slot 1 (DIMM1) Front USB connector 2 (for connecting additional USB devices) Memory slot 2 (DIMM2) Serial (COM2) connector Memory slot 3 (DIMM3) Internal speaker connector Memory slot 4 (DIMM4)

  • 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

    Locating connectors, controls, and indicators on the front of your computer Figure 6 “Front connector, control, and indicator locations” on page 79 shows the locations of the connectors, controls, and indicators on the front of your computer. Figure 6. Front connector, control, and indicator locations Optical drive eject/close button USB 2.0 connector (USB port 2) Power switch...

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

    Locating connectors on the rear of your computer Figure 7 “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 Audio line-in connector Used to receive audio signals from an external audio device, such as a stereo system. When you attach an external audio device, a cable is connected between the audio line-out connector of the device and the audio line-in connector of the computer.
  • Page 88 Figure 8. Locating major FRUs and CRUs The following table lists the major FRUs shown in Figure 8 “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

    Hard disk drive Memory module Peripheral Component Interconnect (PCI) card (available in some models) System board 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 9 Locations...

  • Page 90: Locating Parts On The System Board

    Locating parts on the system board Figure 9 “System board part locations” on page 84 shows the locations of the parts on the system board. Figure 9. System board part locations ThinkStation Hardware Maintenance Manual...
  • Page 91 4-pin power connector Front USB connector 1 (for connecting USB port 1 and 2 on the front bezel) Microprocessor fan connector Battery Memory slot 1 (DIMM1) Front USB connector 2 (for connecting additional USB devices) Memory slot 2 (DIMM2) Serial (COM2) connector Memory slot 3 (DIMM3) Internal speaker connector Memory slot 4 (DIMM4)

  • 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: Chapter 10. Replacing Frus (For Machine Types: 2551, 2552, 2553, 2554, And 2555)

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

  • Page 94: Removing The Computer Cover

    required connector. Then, use the instructions that come with the option to help you make the connection and install any software or device drivers that are required for the option. Removing the computer cover Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1.

  • Page 95: Removing And Reinstalling The Front Bezel

    6. Press the cover-release button on the side of the computer and slide the cover to the rear of the computer to remove the cover. Figure 11. Removing the computer cover Removing and reinstalling the front bezel Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1.

  • Page 96: Installing Or Replacing A Pci Card

    3. Remove the front bezel by releasing the three plastic tabs on the left side and pivoting the front bezel outward. Figure 12. Removing the front bezel 4. To reinstall the front bezel, align the three plastic tabs on the right side of the front bezel with the corresponding holes in the chassis, then pivot the front bezel inwards until it snaps into position on the left side.
  • Page 97 3. At the rear of the computer, press the release button to open the card latch Figure 13. Opening the PCI card latch 4. Depending on whether you are installing or replacing a PCI card, do one of the following: •...
  • Page 98 Figure 14. 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, disengage the card retaining latch in either of the two ways illustrated, depending on the retaining latch on the PCI card slot.

  • Page 99: Installing Or Replacing A Memory Module

    7. Pivot the card latch to the closed position to secure the PCI card. Figure 16. 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 120. Installing or replacing a memory module Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information”...
  • Page 100 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 101: 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 18. Opening the retaining clips 7. Position the new memory module over the memory slot. Make sure that the notch on the memory module aligns correctly with the slot key on the system board.
  • Page 102 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 88. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 89. 4.

  • Page 103: 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 22. Installing the optical drive 7. Connect the signal cable and the power cable to the new optical drive. Figure 23.
  • Page 104 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 105: Replacing The Heat Sink And Fan Assembly

    8. Slide the new card reader into the drive bay until it snaps into position. Figure 26. Installing the card reader 9. Reconnect the card reader cable to the front USB connector on the system board. See “Locating parts on the system board” on page 76. 10.
  • Page 106 5. 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 76. 6. Follow this sequence to remove the four screws that secure the heat sink and fan assembly to the system board: a.

  • Page 107: Replacing The Front Fan Assembly

    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 120. Replacing the front fan assembly Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1.

  • Page 108: Replacing The Rear Fan Assembly

    7. Pull the tips of the rubber mounts until the front fan assembly is secured in place. Figure 29. Installing the front fan assembly 8. Connect the front fan assembly cable to the power fan connector on the system board. What to do next: •...
  • Page 109 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 30.

  • Page 110: Installing The Solid State Drive

    7. Pull on the tips of the rubber mounts until the rear fan assembly is secured in place. Figure 31. 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 111 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 32. 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 112: Replacing The Primary 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 120. Replacing the primary hard disk drive Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information”...
  • Page 113 7. To install a new hard disk drive into the blue bracket, flex the bracket and align pin , pin , pin and pin on the bracket with the corresponding holes in the hard disk drive. Do not touch the circuit board on the bottom of the hard disk drive.

  • Page 114: Replacing The Secondary Hard Disk Drive

    • To complete the installation or replacement, go to “Completing the parts replacement” on page 120. Replacing the secondary hard disk drive Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1. Note: Your computer comes with a secondary hard disk drive bay for installing or replacing a secondary 3.5-inch hard disk drive or a 2.5-inch solid state drive.
  • Page 115 7. To install a new hard disk drive into the blue bracket, flex the bracket and align pin , pin , pin and pin on the bracket with the corresponding holes in the hard disk drive. Do not touch the circuit board on the bottom of the hard disk drive.

  • Page 116: Installing The Tertiary Hard Disk Drive

    • To complete the installation or replacement, go to “Completing the parts replacement” on page 120. Installing the tertiary hard disk drive Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1. Note: You can install a tertiary 3.5-inch hard disk drive or a 2.5-inch solid state drive into the secondary optical drive bay in your computer.
  • Page 117 a. Install the solid state drive into the storage converter. Then, install the five screws to secure the solid state drive to the storage converter. Figure 41. Installing the solid state drive into the storage converter b. Install the solid state drive with the storage converter into the 5.25-inch optical drive bracket. Then, fully tighten the four screws to secure the solid state drive with the storage converter to the 5.25-inch optical drive bracket.
  • Page 118 6. Install the optical drive retainer on the side of the optical drive bracket. Figure 43. Installing the optical drive retainer 7. Slide the optical drive bracket into the secondary optical drive bay from the front of the computer until the optical drive bracket snaps into position. Figure 44.

  • Page 119: Replacing The Power Supply Assembly

    9. Reinstall the front bezel. See “Removing and reinstalling the front bezel” on page 89. 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 120. Replacing the power supply assembly Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information”...

  • Page 120: Replacing The Microprocessor

    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 121 To replace the microprocessor, 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 88. 3. Lay the computer on its side for easier access to the system board. 4.
  • Page 122 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 123: 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 120. Replacing the system board Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1.
  • Page 124 9. Remove the eight screws that secure the system board. Figure 50. Removing the eight screws that secure the system board 10. Carefully slide the system board so that it can be released from the mounting studs that secure the system board in place.
  • Page 125 1. Release the lever securing the microprocessor retainer and open the retainer to access the microprocessor. 2. Grasp the microprocessor on the sides and lift it straight up and out of the socket. Do not touch the contacts on the microprocessor socket. 3.

  • Page 126: Completing The Parts Replacement

    8. To update your configuration, refer to Chapter 6 “Using the Setup Utility program” on page 55. Note: In most areas of the world, Lenovo requires the return of the defective Field 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 127: Chapter 11. Replacing Frus (For Machine Types: 3688, 3690, 3691, 3693, And 3695)

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

  • Page 128: Opening The Computer Cover

    required connector. Then, use the instructions that come with the option to help you make the connection and install any software or device drivers that are required for the option. Opening the computer cover Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1.
  • Page 129 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 122. 3.

  • Page 130: 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 55. Reinstalling the front bezel What to do next: •...

  • Page 131: 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 “Important Safety Information” on page 1. This section provides instructions on how to install or replace a memory module. Your computer has four slots for installing or replacing DDR3 UDIMMs that provide up to a maximum of 32 GB system memory.
  • Page 132 • If you are replacing an old memory module, open the retaining clips and gently pull the memory module out of the memory slot. Figure 56. 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 133: Installing Or Replacing A Pci Card

    10. Position the new memory module over the memory slot. Make sure 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 58.
  • Page 134 Figure 59. 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, disengage the card retaining latch in either of the two ways illustrated, depending on the retaining latch on the PCI card slot.

  • Page 135: 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 84. Figure 61. Installing a PCI card What to do next: •...
  • Page 136 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 137 7. Install the screw to secure the card reader bracket to the chassis. Figure 63. 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 138 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 139 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 66. Installing the card reader Chapter 11 Replacing FRUs (for machine types: 3688, 3690, 3691, 3693, and 3695)

  • Page 140: Replacing The Battery

    10. Install the screw to secure the card reader bracket to the chassis. Figure 67. 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 141: Installing The Solid State Drive

    Refer to the “Lithium battery notice” in the Safety, Warranty, and Setup 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 142 To install the solid state drive, do the following: 1. Install the solid state drive into the adapter. Then, install the four screws to secure the solid state drive to the adapter. Figure 70. Installing the solid state drive into the adapter 2.

  • Page 143: 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 167. Replacing the hard disk drive Attention: Do not open your computer or attempt any repair before reading and understanding “Important Safety Information” on page 1.
  • Page 144 6. Flex the retaining clips as shown to remove the hard disk drive from the bracket. Figure 73. 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 145: 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 74.
  • Page 146 5. Press the blue retaining clip to pivot the optical drive bay upward. Figure 75. Pivoting the optical drive bay 6. Disconnect the signal cable and the power cable from the rear of the optical drive. ThinkStation Hardware Maintenance Manual...
  • Page 147 7. Press the optical drive lock and slide the optical drive out of the rear of the drive bay assembly. Figure 76. Removing the old optical drive 8. Install the optical drive retainer on the side of the new optical drive. Figure 77.

  • Page 148: Replacing The Heat Sink And Fan Assembly

    9. Slide the new optical drive into the drive bay until it snaps into position. Figure 78. 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 149 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 84. 4. Follow this sequence to remove the four screws that secure the heat sink and fan assembly to the system board: a.
  • Page 150 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 80. 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 151: 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 81. Installing the heat sink fan duct What to do next: • To work with another piece of hardware, go to the appropriate section. •...
  • Page 152 CAUTION: 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 153 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 82. Removing the heat sink fan duct Chapter 11 Replacing FRUs (for machine types: 3688, 3690, 3691, 3693, and 3695)
  • Page 154 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 83. 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 155 Then, install the three screws to secure the new power supply assembly in place. Note: Use only screws provided by Lenovo. Figure 85. Installing the power supply assembly 10.

  • Page 156: 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 86. Installing the heat sink fan duct What to do next: • To work with another piece of hardware, go to the appropriate section. •...
  • Page 157 3. Locate the system board and disconnect all cables connected to the system board. See “Locating parts on the system board” on page 84. 4. Remove the heat sink and fan assembly with the fan duct. See “Replacing the heat sink and fan assembly”...
  • Page 158 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 159: Replacing The Cover Presence Switch

    12. Reinstall the heat sink and fan assembly with the fan duct as shown. See “Replacing the heat sink and fan assembly” on page 142. Figure 90. 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 160 5. Disconnect the cover presence switch cable from the cover presence switch connector on the system board. See “Locating parts on the system board” on page 84. 6. Remove the screw that secures the cover presence switch and remove the cover presence switch from the chassis.

  • Page 161: Replacing The Internal Speaker

    8. Install the screw to secure the cover presence switch to the chassis. Figure 92. 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 84. 10.
  • Page 162 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 122. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 122. 4.

  • Page 163: Replacing The Front Audio And Usb Assembly

    8. Align the new internal speaker with the two metal clips on the chassis, and then slide the speaker as shown until it snaps into position. Figure 94. Installing the new internal speaker 9. Reconnect the internal speaker cable to the system board. See “Locating parts on the system board” on page 84.
  • Page 164 To replace the front audio and USB 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 165: Replacing The System Fan

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

  • Page 166: Replacing The Thermal Sensor

    7. Install the new system fan by aligning the new rubber mounts that came with the new system fan with the corresponding holes in the chassis, and then push the rubber mounts through the holes. Then, carefully pull on the tips of the rubber mounts from the bottom until the new system fan is secured in place. Figure 97.
  • Page 167 8. From inside the chassis, pivot the left retaining clip that secures the plastic holder of the thermal sensor and then push the clip outward to release the clip. Then disengage the plastic holder holding the thermal sensor from the chassis. Figure 98.
  • Page 168 10. Insert the connector and cable of the new thermal sensor into the left 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 press the plastic holder until it snaps into position. Figure 99.

  • Page 169: Replacing The Power Switch

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

  • Page 170: Replacing The System Board

    7. Insert the two plastic tabs in the new power switch through the hole on the chassis, and then press the power switch as shown until it snaps into position. Figure 101. Installing the new power switch 8. Reconnect the power switch cable to the system board. See “Locating parts on the system board” on page 84.
  • Page 171 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. 2.
  • Page 172 13. Install all memory modules and PCI cards removed from the failing system board on the new system board. See “Installing or replacing a memory module” on page 125 and “Installing or replacing a PCI card” on page 127. 14. Reconnect all cables to the system board. See “Locating parts on the system board” on page 84. 15.

  • Page 173: Completing The Parts Replacement

    8. To update your configuration, refer to Chapter 6 “Using the Setup Utility program” on page 55. Note: In most areas of the world, Lenovo requires the return of the defective Field 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 174 Obtaining device drivers You can obtain device drivers for operating systems that are not preinstalled at http://www.lenovo.com/support. Installation instructions are provided in readme files with the device-driver files. ThinkStation Hardware Maintenance Manual...

  • Page 175: Chapter 12. Additional Service Information

    – Start the Setup Utility. – Select Standard CMOS Features. • 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 169.

  • Page 176: 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 177: 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 178: Automatic Configuration And Power Interface (Acpi) Bios

    Automatic 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. Not all operating systems support ACPI BIOS mode. Automatic Power-on features The Automatic Power-On features within the Power Management menu allow you to enable and disable features that turn on the computer automatically.

  • Page 179: 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 180: Television Output Notice

    European conformance CE mark The emission notices information is available in the Safety and Warranty Guide that came with your computer. Trademarks The following terms are trademarks of Lenovo in the United States, other countries, or both: Lenovo The Lenovo logo...

  • Page 181: Index

    CRUs (Customer Replacable Units), returning defective enabling a device, Setup Utility program environment, operating 29–30 ErP compliance mode, enabling error messages, miscellaneous Description 72, 81 Ethernet connector 73, 81 © Copyright Lenovo 2012...
  • Page 182 ethernet problems, troubleshooting microprocessor 1000 Mbps connection fails or errors occur optical drive adapter connects at 100 Mbps instead of 1000 Mbps overview adapter stops working for no apparent reason PCI card description power supply assembly Wake on LAN feature not working solid state drive European conformance CE mark system board components and drives, accessing...
  • Page 183 FRUs, tower computers microprocessor system board part numbers part numbers, tower computers 75, 83 parts replacement, completing, desktop computers safety information parts replacement, completing, tower computers electrical passwords electrostatis discharge-sensitive devices Administrator general changing grounding requirements © Copyright Lenovo 2012...
  • Page 184 important symptom-to-FRU index safety inspection guide description voltage-selection switch error messages, miscellaneous safety inspection guide hard disk drive boot error SATA hard disk drives, installing power supply problems secondary hard disk drive, replacing, tower computers undetermined problems security system board enabling or disabling replacing security features...
  • Page 185 © Copyright Lenovo 2012...
  • Page 186 ThinkStation Hardware Maintenance Manual...

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