Lenovo ThinkCentre neo 50q QC Hardware Maintenance Manual
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Lenovo ThinkCentre neo 50q QC Hardware Maintenance Manual

Lenovo ThinkCentre neo 50q QC Hardware Maintenance Manual

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ThinkCentre neo 50q QC

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  • Page 1 Hardware Maintenance Manual ThinkCentre neo 50q QC...
  • Page 2 First Edition (April 2025) © Copyright Lenovo 2025. 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

    POST error codes ... . trademarks ....67 Miscellaneous error conditions ..© Copyright Lenovo 2025...
  • Page 4 Hardware Maintenance Manual...

  • Page 5: About This Manual

    ThinkCentre products, please follow all instructions carefully. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing a ThinkCentre computer, be sure to read and understand Chapter 1 “Important safety information” on page 1. © Copyright Lenovo 2025...
  • Page 6 Hardware Maintenance Manual...

  • Page 7: 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 2025...

  • Page 8: 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 9: 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 10: 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 11 • 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 12 • 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. • Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure.
  • Page 13 Chapter 1 Important safety information...
  • Page 14 ≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb) Hardware Maintenance Manual...
  • Page 15 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 16 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 17 Chapter 1 Important safety information...
  • Page 18 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Important safety information...
  • Page 20 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 21 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 22 ≥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 23 • 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 24 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 25 Chapter 1 Important safety information...
  • Page 26 PERICOLO La corrente elettrica proveniente dai cavi di alimentazione, del telefono e di comunicazione può essere pericolosa. Hardware Maintenance Manual...
  • Page 27 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 28 • 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. • L'utilizzo di controlli, regolazioni o l'esecuzione di procedure non descritti nel presente manuale possono provocare l'esposizione a radiazioni pericolose.
  • Page 29 Chapter 1 Important safety information...
  • Page 30 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 31 • 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. • 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 32 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 33: Chapter 2. Important Service Information

    After replacing the system board, the recommended option is to download the latest UEFI BIOS package from Lenovo Support Web site to bind the model type, serial number, and brand ID of the computer with the new system board. Or use Golden Key U1 tool to bind the new system board. Refer to https:// support.lenovo.com/solutions/ht102004...

  • Page 34: 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 35: Chapter 3. Product Overview

    ™ USB-A connector (USB 10Gbps) DisplayPort out connector Power adapter connector * for selected models Optional connector Depending on the computer model, the connector might be a DisplayPort out connector or a VGA-out connector. © Copyright Lenovo 2025...
  • Page 36 Hardware Maintenance Manual...

  • Page 37: 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 2025...

  • Page 38: 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 39: 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 40: 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 41: 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 42 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 43: 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 44 8. Move the jumper back to the standard position. 9. Reinstall all the parts that have been removed. Then, reconnect the power cords for the computer and the monitor to electrical outlets. 10. Turn on the computer and the monitor. When the logo screen is displayed, press F1 or Fn+F1. 11.

  • Page 45: 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 46: Lenovo Diagnostic Tools

    Note: The options on the main screen might vary, depending on the hardware configuration and the UEFI diagnostic program version preinstalled on the computer. Lenovo diagnostic tools For information about Lenovo diagnostic tools, go to: https://pcsupport.lenovo.com/lenovodiagnosticsolutions Self-help resources Use the following self-help resources to learn more about the computer and troubleshoot problems.
  • Page 47 • 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 48 Hardware Maintenance Manual...

  • Page 49: Chapter 6. Hardware Removal And Installation

    Common tool Screwdriver: Phillips Head 01 1, Shank length greater than 6 ThinkStation/DT Common tool inches Screwdriver: Phillips Head 02 2, Shank length greater than 6 ThinkStation/SC/DT Common tool inches Screwdriver: Torx Head T5 IdeaPad Common tool © Copyright Lenovo 2025...
  • Page 50 Tool name Specification Product scope Tool type Screwdriver: Torx Head T15 T15, for Chassis outside ThinkStation Common tool Screwdriver: Torx Head T20 T20, Shank length greater than ThinkStation Common tool 6 inches, for heatsink and CPU Screwdriver: Torx Head T30 T30, Shank length greater than ThinkStation Common tool...

  • Page 51: Major Frus And Crus

    • FRUs: Refer to parts that are more complicated to replace and it is recommended that these should be replaced by trained service technicians. If customers elect to replace the FRUs by themselves, we recommend that you ensure the correct instructions provided by Lenovo are carefully followed. Chapter 6...
  • Page 52 Number Description Self-service CRU Optional-service CRU Computer cover System board M.2 solid-state drive* M.2 SSD thermal pads Antenna bracket Hardware Maintenance Manual...
  • Page 53 Power cord* Power adapter cage* Vertical stand* Keyboard* Mouse* VESA mount bracket* * for selected models 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 54: System Board Illustration

    System board illustration Description Description Item Item Coin-cell battery BTB card connector Clear CMOS (Complementary Metal Oxide Power button Semiconductor) System fan connector Internal speaker connector M.2 Wi-Fi card slot M.2 SSD slot 1 M.2 SSD slot 2 Hardware Maintenance Manual...

  • Page 55: Removing And Installing Hardware

    Clear CMOS position Description Description Item Item Standard position Clear CMOS position Removing and installing hardware This section provides instructions on how to remove and install hardware for your computer. Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter 1 “Important safety information”...

  • Page 56: Removal Steps

    Removal steps Step 1. Unlock the power adapter cage from the VESA mount bracket by pressing the retaining clip. Step 2. Remove the power adapter cage. Step 3. Disconnect the power cord from the ac power adapter. Step 4. Push the ac power adapter out of the power adapter cage. Step 5.

  • Page 57: Installation Steps

    Installation steps There are two holes on right panel of the VESA mount bracket to locate the power adapter cage. Step 1. Install the ac power adapter in the power adapter cage. Step 2. Connect the power cord to the ac power adapter. Step 3.

  • Page 58: Vertical Stand

    Vertical stand Before you start, read , and print the following instructions. Generic Safety and Compliance Notices For access, do the following: 1. Turn off the computer and remove all connected devices and cables. 2. Disconnect the computer from ac power and all connected cables. Step 1.

  • Page 59: Vesa Mount Bracket

    VESA mount bracket Before you start, read , and print the following instructions. Generic Safety and Compliance Notices For access, do the following: 1. Turn off the computer and remove all connected devices and cables. 2. Disconnect the computer from ac power and all connected cables. 3.

  • Page 60: Computer Cover

    Computer cover Before you start, read Generic Safety and Compliance Notices , and print the following instructions. Before you open the top cover, turn off the computer and wait several minutes until the computer is cool. For access, do the following: 1.

  • Page 61: M.2 Solid-State Drive

    M.2 solid-state drive Before you start, read Generic Safety and Compliance Notices , and print the following instructions. Attention: The M.2 solid-state drive is sensitive. Inappropriate handling might cause damage and permanent loss of data. When handling the M.2 solid-state drive, observe the following guidelines: •...

  • Page 62: Internal Speaker

    Internal speaker Before you start, read Generic Safety and Compliance Notices , and print the following instructions. For access, remove “Computer cover” on page 54 first. Step 1. Release the internal speaker from the system fan by pushing it toward the front panel. Step 2.

  • Page 63: System Fan

    System fan Before you start, read Generic Safety and Compliance Notices , and print the following instructions. For access, remove “Computer cover” on page 54 first. Step 1. Release the internal speaker from the system fan by pushing it toward the front panel. Step 2.

  • Page 64: Cpu Cooler

    CPU cooler Before you start, read Generic Safety and Compliance Notices , and print the following instructions. CAUTION: The CPU cooler 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 the following parts in order, if any: 1.

  • Page 65: Optional Btb Displayport Card

    Optional BTB DisplayPort card Before you start, read , and print the following instructions. Generic Safety and Compliance Notices For access, remove “Computer cover” on page 54 first. Removal steps Step 1. Remove the screw which secures the BTB DisplayPort card to top-right corner of the rear panel. Find screw specification like torque in the following screw table.

  • Page 66: Optional Btb Vga Card

    Installation steps There is a hole on top-right corner of rear panel to locate the BTB DisplayPort card. Step 1. Insert the BTB DisplayPort card into the hole. Step 2. Connect the BTB DisplayPort card to the BTB card connector on the system board. Step 3.
  • Page 67 Quantity Torque Screw M3 x L5 mm hexagon screws, Ni coated 2 pcs 3.0 ± 0.5 lb/in Step 2. Remove the screw which secures the BTB VGA card to the system board. Find screw specification like torque in the following screw table. Quantity Torque Screw...

  • Page 68: Wi-Fi Card

    Wi-Fi card Before you start, read , and print the following instructions. Generic Safety and Compliance Notices For access, remove the following parts in order, if any: 1. “Computer cover” on page 54. 2. “System fan” on page 57 Step 1. Remove the screw which secures the Wi-Fi card to the system board.

  • Page 69: Front Wi-Fi Antenna

    Front Wi-Fi antenna Before you start, read Generic Safety and Compliance Notices , and print the following instructions. For access, remove the following parts in order, if any: 1. “Computer cover” on page 54. 2. “System fan” on page 57 3.

  • Page 70: Antenna Bracket

    Antenna bracket Before you start, read Generic Safety and Compliance Notices , and print the following instructions. For access, remove the following parts in order, if any: 1. “Computer cover” on page 54. 2. “Front Wi-Fi antenna” on page 63 Step 1.

  • Page 71: System Board Bracket

    g. “M.2 solid-state drive” on page 55 h. “Rear Wi-Fi antenna cable” on page 63 “Optional BTB DisplayPort card” on page 59 “Optional BTB VGA card” on page 60 2. Record the cable routing and cable connections, and then disconnect all cables from the system board. See “System board illustration”...
  • Page 72 Quantity Torque Screw M3 x L4 mm, Ni coated 2 pcs 3.0 ± 0.5 lb/in Step 2. Pivot the system board bracket upward, then remove it. Step 3. Install the new system board bracket in reverse order. Hardware Maintenance Manual...

  • Page 73: Appendix A. 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 74 Furthermore, some measurements may have been estimated through extrapolation. 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.

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