Lenovo ThinkStation P358 Tower Hardware Maintenance Manual
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Lenovo ThinkStation P358 Tower Hardware Maintenance Manual

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  • Page 1 P358 Tower Hardware Maintenance Manual...
  • Page 2 First Edition (July 2022) © Copyright Lenovo 2022. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-...

  • Page 3: Table Of Contents

    ... Use the Vantage app ... . . Self-help resources ... . . © Copyright Lenovo 2022...
  • Page 4 About this manual ® This manual provides service and reference information for ThinkStation computers listed on the front cover. Illustrations in this manual might look different from your product. Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained service technicians who are familiar with ThinkStation computers.

  • Page 5: Chapter 1. Important Safety Information

    Avoid contact with hot components inside the computer. During operation, some components become hot enough to burn the skin. Before you open the computer cover, turn off the computer, disconnect power, and wait approximately 10 minutes for the components to cool. © Copyright Lenovo 2022...

  • Page 6: Electrical Safety

    Electrical safety CAUTION: Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect the attached power cords, telecommunication systems, networks, and modems before you open the computer covers, unless instructed otherwise in the installation and configuration procedures.

  • Page 7: Safety Inspection Guide

    – Power supply units – Pumps – Blowers and fans – Motor generators and similar units. (This practice ensures correct grounding of the units.) • If an electrical accident occurs: – Use caution; do not become a victim yourself. – Switch off power. –...

  • Page 8: Handling Electrostatic Discharge-Sensitive Devices

    Handling electrostatic discharge-sensitive devices Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge.
  • Page 9 • 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. • Connect all power cords to a properly wired and grounded electrical outlet. •...
  • Page 10 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. There are no serviceable parts inside the device. •...
  • Page 11 Chapter 1 Important safety information...
  • Page 12 ≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb) P358 TowerHardware Maintenance Manual...
  • Page 13 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 14 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: • Não remova as tampas. A remoção das tampas de um produto a laser pode resultar em exposição prejudicial à...
  • Page 15 Chapter 1 Important safety information...
  • Page 16 P358 TowerHardware Maintenance Manual...
  • Page 17 Chapter 1 Important safety information...
  • Page 18 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 19 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 4.
  • Page 20 ≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb) 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 21 • Geräte niemals einschalten, wenn Hinweise auf Feuer, Wasser oder Gebäudeschäden vorliegen. • 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. •...
  • Page 22 Einige Lasergeräte enthalten eine Laserdiode der Klasse 3A oder 3B. Beachten Sie Folgendes: 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 23 Chapter 1 Important safety information...
  • Page 24 PERICOLO La corrente elettrica proveniente dai cavi di alimentazione, del telefono e di comunicazione può essere pericolosa. P358 TowerHardware Maintenance Manual...
  • Page 25 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. • Collegare tutti i fili elettrici a una presa di alimentazione correttamente cablata e dotata di messa a terra.
  • Page 26 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 27 Chapter 1 Important safety information...
  • Page 28 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 29 • Cualquier equipo que se conecte a este producto también debe conectarse a tomas de corriente debidamente cableadas. • Siempre que sea posible, utilice una sola mano para conectar o desconectar los cables de señal. • No encienda nunca un equipo cuando hay señales de fuego, agua o daños estructurales. •...
  • Page 30 PELIGRO 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 31: Chapter 2. Important Service Information

    • Do not drop a system board or apply any excessive force to it. • Avoid rough handling of any kind. • Avoid bending a system board and hard pushing to prevent cracking at each Ball Grid Array (BGA) chipset. © Copyright Lenovo 2022...

  • Page 32: How To Use Error Codes

    Dynamic Configure To Order (CTO) model This model provides the ability for a customer to configure a Lenovo solution from a Web site, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label and eSupport will load these products as the 4-character MT, 4-character model, and 2-character country code.

  • Page 33: Chapter 3. Product Overview

    ® ThinkStation Power button Power indicator Storage drive activity indicator SD-card slot* Microphone connector Headset connector ® USB-C (3.2 Gen 1) connector USB 3.2 connectors Gen 1 USB 3.2 connectors Gen 2 * for selected models © Copyright Lenovo 2022...

  • Page 34: Rear

    Rear Description Description Item Item ™ DisplayPort out connectors* Audio line-out connector ™ HDMI out connector* Serial connector Ethernet connector USB 2.0 connectors USB 2.0 connector (with smart power-on Padlock loop feature) E-lock slots Serial connector* Smart cable clip slots PCI-Express card area Security-lock slot Power cord connector...

  • Page 35: Chapter 4. Service Checkout And Symptom-To-Fru Index

    • 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? – Has this configuration ever worked? © Copyright Lenovo 2022...

  • Page 36: Symptom-To-Fru Index

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

  • Page 37: Power Supply Problems

    Error FRU/Action The boot sector on the startup drive is corrupted. The drive must be formatted. Do the following: 1. Attempt to back up the data on the failing hard disk drive. 2. Using the operating system programs, format the hard disk drive.

  • Page 38: Post Error Codes

    POST error codes Each time you turn on the system, it performs a series of tests that check the operation of the system and some options. This series of tests are called the Power-On Self-Test, or POST. POST checks the following operations: •...

  • Page 39: Miscellaneous Error Conditions

    POST error message Description/Action Error code 8998 Not enough shadow RAM resources This error message is displayed for OPTION ROM, not all devices when the shadow RAM resources initialized. Suggest to remove some for option ROM are insufficient. add-on cards, or change to UEFI If the legacy option ROM is mode in BIOS setup.
  • Page 40 Message/Symptom FRU/Action Blank screen except for flashing cursor. 1. System Board 2. Primary Hard Disk Drive 3. Hard Disk Drive Cable Incorrect memory size during POST 1. Run the Memory tests. 2. Memory Module 3. System Board "Insert a Diskette" icon appears with a known-good 1.

  • Page 41: Undetermined Problems

    Message/Symptom FRU/Action Serial or parallel connector device failure (system board 1. External Device Self-Test OK? connector) 2. External Device 3. Cable 4. System Board Serial or parallel connector device failure (adapter 1. External Device Self-Test OK? connector) 2. External Device 3.
  • Page 42 P358 TowerHardware Maintenance Manual...

  • Page 43: Chapter 5. Diagnostics

    4. Run the diagnostic program. 5. Recover your operating system. See “Self-help resources” on page 40. 6. If the problem persists, contact Lenovo. UEFI diagnostic program A UEFI diagnostic program is preinstalled on the computer. It enables you to test memory modules and internal storage devices, view system information, and check and recover bad sectors on internal storage devices.

  • Page 44: Lenovo Diagnostic Tools

    If you are unable to isolate and resolve the problem after running the Vantage app, save and print the log files created by the program. You might need the log files when you speak to a Lenovo technical support representative.
  • Page 45 • Setup Guide want. • This User Guide • Regulatory Notice Lenovo Support Web site with the latest support information of the following: • Drivers and software • Diagnostic solutions https://pcsupport.lenovo.com • Product and service warranty •...
  • Page 46 P358 TowerHardware Maintenance Manual...

  • Page 47: Chapter 6. Hardware Removal And Installation

    Common tool Isolated tweezers Common tool Hexagonal socket Common tool Silicone grease Consumable tool Polyamide tape Consumable tool Mylar tape Consumable tool Eraser Consumable tool Electrical tape Consumable tool Double-sided tape Consumable tool Conductive tape Consumable tool © Copyright Lenovo 2022...

  • Page 48: Major Frus And Crus

    Note: The silicone grease can be applied to the surfaces of the microprocessor and heat sink to eliminate air gaps. The hexagonal socket is used to pick up the antenna connectors. Major FRUs and CRUs Your computer contains the following types of CRUs and FRUs: •...
  • Page 49 Number Description Self-service CRU Optional-service CRU Computer cover Screws Heat sink and fan assembly* M.2 solid-state drive* M.2 solid-state drive bracket Chapter 6 Hardware removal and installation...
  • Page 50 Number Description Self-service CRU Optional-service CRU Thermal pad* Coin-cell battery Heat sink for M.2 solid-state drive Rear fan* Cover presence switch cable Cover presence switch bracket Rear Wi-Fi antenna cover* Front and rear Wi-Fi antennas* Rear I/O shield Optical drive cable* Optical drive* Optical drive bezel* Optical drive bracket*...
  • Page 51 Wi-Fi card shield* Wi-Fi card* Memory module VRM heat sink Graphics card fan* Graphics card* PCI-Express card* For detailed FRU and CRU information, such as the FRU part numbers and supported computer models, go http://www.lenovo.com/serviceparts-lookup Chapter 6 Hardware removal and installation...

  • Page 52: System Board

    System board Description Description Item Item 4-pin power connector Microprocessor socket Microprocessor fan connector Memory slot (DIMM1) Memory slot (DIMM2) Memory slot (DIMM3) Auxiliary fan connector 2 Memory slot (DIMM4) Power button connector Internal speaker connector 10-pin power connector SATA power connectors Auxiliary fan connector 1 SATA connectors M.2 solid-state drive slot...
  • Page 53 Chapter 6 Hardware removal and installation...

  • Page 54: Internal Storage Drives

    Internal storage drives Internal storage 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. Description Item Function 3.5-inch secondary storage You can install a 3.5-inch storage drive in this cage or a 2.5-inch storage...

  • Page 55: External Options

    External options You can connect external options to your computer, such as external speakers, a printer, or a scanner. For some external options, you must install additional software in addition to making the physical connection. When installing an external option, see Chapter 3 “Product overview” on page 29 to identify the required connector.

  • Page 56: Optical Drive

    Optical drive Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, do the following: 1. Remove the “Computer cover” on page 51. 2. Disconnect the signal and power cable from the optical drive. Replacement procedure P358 TowerHardware Maintenance Manual...
  • Page 57 Note: To install a new optical drive, if there is a plastic shield in the front bezel, remove the plastic shield as shown. Chapter 6 Hardware removal and installation...

  • Page 58: Front Bezel

    Front bezel Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, remove the following parts in order, if any: • “Computer cover” on page 51 • “Optical drive” on page 52 Replacement procedure P358 TowerHardware Maintenance Manual...

  • Page 59: Primary Storage Drives

    Primary storage drives Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. Attention: The internal storage drive is sensitive. Inappropriate handling might cause damage and permanent loss of data. When handling the internal storage drive, observe the following guidelines: •...
  • Page 60 P358 TowerHardware Maintenance Manual...
  • Page 61 Removal steps of the 3.5-inch primary storage drive and bracket 1. Remove the computer cover. See “Computer cover” on page 51. 2. Disconnect the signal cable and the power cable from the 3.5-inch primary storage drive. 3. Remove the 3.5-inch storage drive and bracket. Chapter 6 Hardware removal and installation...
  • Page 62 Removal steps of the 2.5-inch primary storage drive, storage drive converter, and bracket 1. Remove the computer cover. See “Computer cover” on page 51. 2. Disconnect the signal cable and the power cable from the 2.5-inch primary storage drive. 3. Remove the 2.5-inch primary storage drive, storage drive converter, and bracket. P358 TowerHardware Maintenance Manual...
  • Page 63 Chapter 6 Hardware removal and installation...

  • Page 64: 3.5-Inch Primary Storage Drive Cage

    3.5-inch primary storage drive cage Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. Attention: The internal storage drive is sensitive. Inappropriate handling might cause damage and permanent loss of data. When handling the internal storage drive, observe the following guidelines: •...

  • Page 65: Graphics Card Fan

    Replacement procedure Graphics card fan Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, remove the “Computer cover” on page 51. Chapter 6 Hardware removal and installation...

  • Page 66: Graphics Card

    Replacement procedure Graphics card Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. Replacement procedure of the graphics card secured with a bracket For access, do the following: 1. Remove these parts in order, if any: •...
  • Page 67 • “Front bezel” on page 54 • “Graphics card fan” on page 61 2. Disconnect the power cable (if any) from the graphics card. 3. Replace the graphics card and bracket. Chapter 6 Hardware removal and installation...
  • Page 68 Removal steps of the graphics card secured with a plastic holder For access, do the following: 1. Remove the “Computer cover” on page 51. 2. Disconnect the power cable (if any) from the graphics card. 3. Replace the graphics card and plastic holder. P358 TowerHardware Maintenance Manual...
  • Page 69 Chapter 6 Hardware removal and installation...

  • Page 70: M.2 Solid-State Drive And Heat Sink

    M.2 solid-state drive and heat sink Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. Attention: The internal storage drive is sensitive.

  • Page 71: M.2 Solid-State Drive Bracket

    • Replace the internal storage drive only for upgrade or repair. The internal storage drive is not designed for frequent changes or replacement. • Before replacing the internal storage drive, make a backup copy of all the data that you want to keep. •...

  • Page 72: Optical Drive Cage

    Replacement procedure Optical drive cage Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, do the following: 1. Remove these parts in order, if any: • “Computer cover” on page 51 • “Optical drive” on page 52 •...
  • Page 73 Replacement procedure Chapter 6 Hardware removal and installation...

  • Page 74: Secondary Storage Drive

    Secondary storage drive Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. Attention: The internal storage drive is sensitive. Inappropriate handling might cause damage and permanent loss of data. When handling the internal storage drive, observe the following guidelines: •...

  • Page 75: Memory Module

    Removal steps Memory module Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. Ensure that you follow the installation order for memory modules shown in the following illustration. Chapter 6 Hardware removal and installation...
  • Page 76 For access, remove the following parts in order, if any: • “Computer cover” on page 51 • “Optical drive” on page 52 • “Front bezel” on page 54 • “Optical drive cage” on page 68 Replacement procedure Note: During the installation, ensure that you align the memory module to the slot and press down on both ends until the latches are fully engaged with a click.

  • Page 77: Coin-Cell Battery

    Coin-cell battery Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as parallel connector assignments (configurations). A coin-cell battery keeps this information active when you turn off the computer.

  • Page 78: E-Lock

    Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. Although there are no moving parts in the computer after the power cord has been disconnected, the following warnings are required for your safety. Keep fingers and other parts of your body away from hazardous, moving parts.

  • Page 79: Front Fan

    For access, do the following: 1. Remove the “Computer cover” on page 51. 2. Disconnect the E-lock cable from the system board. Note: To remove the screws, you need a special tool (T15 star wrench). Replacement procedure Front fan Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions.

  • Page 80: Rear Fan

    Replacement procedure Note: The front fan is attached to the chassis by four rubber mounts. Break or cut the rubber mounts and gently pull the front fan out of the chassis. Rear fan Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, do the following: 1.

  • Page 81: Chassis Beam

    Chassis beam Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, remove these parts in order, if any: • “Computer cover” on page 51 • “Optical drive” on page 52 • “Front bezel” on page 54 •...
  • Page 82 • “Optical drive cage” on page 68 Replacement procedure P358 TowerHardware Maintenance Manual...

  • Page 83: Heat-Sink-And-Fan Assembly

    Heat-sink-and-fan assembly Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. The heat sink might be very hot. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. For access, do the following: 1.
  • Page 84 • Carefully loosen the four screws to avoid any possible damage to the system board. The four screws cannot be removed from the heat-sink-and-fan assembly. • You might have to gently twist the heat-sink-and-fan assembly to free it from the microprocessor. •...

  • Page 85: Front I/O Bracket, Power Button Cable, And Card Reader

    Front I/O bracket, power button cable, and card reader Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, do the following: 1. Remove these parts in order, if any: • “Computer cover” on page 51 •...
  • Page 86 Replacement procedure P358 TowerHardware Maintenance Manual...

  • Page 87: Internal Speaker

    Internal speaker Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, do the following: 1. Remove these parts in order, if any: • “Computer cover” on page 51 • “Optical drive” on page 52 •...

  • Page 88: Front Wi-Fi Antenna

    Removal steps Note: During installation, ensure that you connect the gray cable to the connector labeled AUX on the card, and the black cable to the connector labeled MAIN. Front Wi-Fi antenna Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, remove these parts in order, if any: •...

  • Page 89: Rear Wi-Fi Antenna

    Rear Wi-Fi antenna Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, remove these parts in order if any: • “Computer cover” on page 51 • “Wi-Fi card” on page 83 Replacement procedure Chapter 6 Hardware removal and installation...

  • Page 90: Thinkstation Led

    ThinkStation LED Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, do the following: 1. Remove these parts in order if any: • “Computer cover” on page 51 • “Optical drive” on page 52 •...

  • Page 91: Thermal Sensor

    Removal steps Thermal sensor Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, do the following: 1. Remove these parts in order if any: • “Computer cover” on page 51 • “Optical drive” on page 52 •...

  • Page 92: Cover Presence Switch Cable And Bracket

    Removal steps Cover presence switch cable and bracket Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, do the following: 1. Remove the “Computer cover” on page 51. 2. Disconnect the cover presence switch cable from the system board. P358 TowerHardware Maintenance Manual...

  • Page 93: Microprocessor

    Removal steps Microprocessor Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. The heat sink and microprocessor might be very hot. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. For access, remove these parts in order, if any: •...

  • Page 94: System Board

    Removal steps System board Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. The heat sink and microprocessor might be very hot. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. Notes: •...
  • Page 95 • “Graphics card” on page 62 • “M.2 solid-state drive and heat sink” on page 66 • “Optical drive cage” on page 68 • “Memory module” on page 71 • “Coin-cell battery” on page 73 • “E-lock” on page 74 •...

  • Page 96: Vrm Heat Sink

    3. Carefully check the four corners of the socket cover to ensure that the cover is seated securely. 4. Follow any additional instructions that are included with the replacement part you received. VRM heat sink Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. The heat sink and microprocessor might be very hot.
  • Page 97 Replacement procedure Chapter 6 Hardware removal and installation...
  • Page 98 P358 TowerHardware Maintenance Manual...

  • Page 99: Chapter 7. Notices And Trademarks

    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 100 Actual results may vary. Users of this document should verify the applicable data for their specific environment. This document is copyrighted by Lenovo and is not covered by any open source license, including any Linux agreement(s) which may accompany software included with this product. Lenovo may update this document at any time without notice.

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