Lenovo AIO 12SD001XGE Hardware Maintenance Manual
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Lenovo AIO 12SD001XGE Hardware Maintenance Manual

Lenovo AIO 12SD001XGE Hardware Maintenance Manual

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ThinkCentre neo 50a 24 Gen 5
ThinkCentre neo 50a 27 Gen 5
Hardware Maintenance Manual

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  • Page 1 ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • Page 2 First Edition (January 2024) © Copyright Lenovo 2024. 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

    Recover from a BIOS update failure ..trademarks ....73 Clear CMOS ....© Copyright Lenovo 2024...
  • Page 4 ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 5: About This Manual

    Important: This manual is intended only for trained service technicians who are familiar with ThinkCentre computers. 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 2024...
  • Page 6 ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 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 2024...

  • Page 8: Electrical Safety

    • Do not service the following parts with the power on when they are removed from their normal operating places in a machine: ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • 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

    The caution and danger safety notices in this section are provided in the following languages: • English • Arabic • Brazilian/Portuguese • Chinese (simplified) • Chinese (traditional) • French • German • Hebrew • Italian • Korean ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • 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 The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • Page 13 Chapter 1 Important safety information...
  • Page 14 ≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb) ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 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 O dispositivo também pode ter mais de um cabo de alimentação. Para remover toda a corrente elétrica do dispositivo, assegure que todos os cabos de alimentação estejam desconectados da fonte de alimentação. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • Page 17 Chapter 1 Important safety information...
  • Page 18 ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Important safety information...
  • Page 20 • Lorsque vous installez, que vous déplacez, ou que vous manipulez le présent produit ou des périphériques qui lui sont raccordés, reportez-vous aux instructions ci-dessous pour connecter et déconnecter les différents cordons. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • 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 Schutzkontakt anschließen. • Die Signalkabel nach Möglichkeit einhändig anschließen oder lösen, um einen Stromschlag durch Berühren von Oberflächen mit unterschiedlichem elektrischem Potenzial zu vermeiden. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • 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 Die Einheit kann auch mit mehreren Netzkabeln ausgestattet sein. Um die Stromversorgung für die Einheit vollständig zu unterbrechen, müssen alle zum Gerät führenden Netzkabel vom Netz getrennt werden. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • 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. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 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 E' possibile che l'unità disponga di più cavi di alimentazione. Per disattivare l'alimentazione dall'unità, accertarsi che tutti i cavi di alimentazione siano scollegati dalla fonte di alimentazione. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • Page 29 Chapter 1 Important safety information...
  • Page 30 • Conecte todos los cables de alimentación a tomas de corriente debidamente cableadas y conectadas a tierra. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • Page 31 • 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 32 Para suprimir toda la corriente eléctrica del dispositivo, asegúrese de que todos los cables de alimentación estén desconectados de la toma de corriente. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 33: 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 2024...

  • 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

    Infrared LED* Integrated camera Infrared camera* Multi-touch screen* Air vent Camera switch Power button indicator Power button Wireless charging pad* Wireless charging indicator* ® Combo audio jack USB-C (3.2 Gen 2) connector * for selected models © Copyright Lenovo 2024...

  • Page 36: Rear

    Description Description Item Item ™ HDMI in connector Power connector USB-A 2.0 connectors Ethernet connector USB-A 3.2 Gen 2 connector HDMI 2.1 TMDS out connector ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 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 2024...

  • Page 38: Symptom-To-Fru Index

    Check the configuration and ensure that the start-up drive configuration. is in the boot sequence. No operating system installed on the boot drive. Install an operating system on the boot drive. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • 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: Miscellaneous Error Conditions

    2. System Board 3. Diskette Drive Cable Blank screen except for flashing cursor. 1. System Board 2. Primary Hard Disk Drive 3. Hard Disk Drive Cable ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • Page 41 Message/Symptom FRU/Action 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. System Board diagnostics diskette in the first 3.5-inch diskette drive. 2. Diskette Drive Cable 3.

  • Page 42: Undetermined Problems

    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. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 43: Clear Cmos

    11. To prevent data loss, ensure that BIOS settings are restored to an earlier point. Clear CMOS 1. Remove all media from the drives and turn off all connected devices and the computer. 2. Disconnect all power cords from electrical outlets. Then, remove any parts that impede access to the JCRIS1 pads.
  • Page 44 ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • 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

    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 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 ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 49: Chapter 6. Hardware Removal And Installation

    Screw driver: Philips Head 01 1, Shank length greater than 6 ThinkSation/DT Common tool inches Screw driver: Philips Head 02 2, Shank length greater than 6 ThinkSation/SC/DT Common tool inches Screw driver: Torx Head T5 IdeaPad Common tool © Copyright Lenovo 2024...
  • Page 50 Silicone grease for CPU or heatsink Consumable repairing Polyamide tape Consumable Mylar tape Consumable Eraser Consumable Electrical tape Consumable Double sided tape Consumable Conductive tape Consumable Cleaning pads/wipes Consumable ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • Page 51 Tool name Specific Product scope Tool type Heat gun Special tool Brown brush 25 mm to 35 mm wide Special tool Note: The silicone grease can be applied to the surfaces of the microprocessor and heat sink to eliminate air gaps.

  • Page 52: Major Frus And Crus

    • FRUs: Refer to parts that must be replaced only by trained service technicians. If customers choose to replace the FRUs by themselves, the product warranty might be affected. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • Page 53 Hinge cover VR pads ac power adapter Power cord Mouse* Keyboard* Screw kit * 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

    Then, use the instructions that come with the option to help you make the connection and install any required software or device drivers. Computer back cover Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 55: System Board Shield

    Replacement procedure 1. Turn off the computer and remove all connected devices and cables. 2. Disconnect all power cords from electrical outlets and disconnect all cables from the computer. 3. Unlock any locking device that secures the computer back cover. 4.

  • Page 56: Memory Modules

    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. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 57: M.2 Solid-State Drive And Thermal Pad

    Replacement procedure 1. Remove the computer back cover. See “Computer back cover” on page 48. 2. Remove the system board shield. See “System board shield” on page 49. 3. Unlock the latches of the memory modules and remove the memory modules. 4.

  • Page 58: Wi-Fi Card

    6. Reinstall all the removed parts and then reconnect the cables. Wi-Fi card Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • Page 59 Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. Replacement procedure 1. Remove the computer back cover. See “Computer back cover” on page 48. 2. Remove the system board shield. See “System board shield” on page 49. 3.

  • Page 60: Heat Sink

    • You might have to gently twist the heat sink to free it from the microprocessor. • Do not touch the thermal grease while handling the heat sink. 4. Reinstall the heat sink. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 61: Hinge Cover

    Note: Before you attach the heat sink to the computer, clean all thermal grease that has been used and then apply new thermal grease. Apply new thermal grease at an amount of 0.5 grams, on the parts marked as shown in the following illustrations. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component.

  • Page 62: Shoulder Covers

    Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. Replacement procedure 1. Remove the computer back cover. See “Computer back cover” on page 48. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 63: Computer Stand

    2. Remove the hinge cover. See “Hinge cover” on page 55. 3. Remove the shoulder covers. See “Shoulder covers” on page 56. 4. Remove one screw and then remove the hinge decorative cover. 5. Reinstall the hinge decorative cover. 6. Reinstall all the removed parts and then reconnect the cables. Computer stand Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions.
  • Page 64 6. Record the cable routing and cable connections, and then disconnect all cables from the system board. See “System board” on page 48. Note: Disconnect the touch cable if any. 7. Remove four screws and then remove the computer stand. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 65: System Board

    8. Reinstall the computer stand. 9. Reinstall all the removed parts and then reconnect the cables. System board 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.
  • Page 66 11. Connect all cables to the new system board. See “System board” on page 48. 12. Connect the external cables and the power cord to the computer. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 67: Vr Pads

    The Golden Key U1 tool is prepared by running the U1 Update software on a FAT32-formatted USB thumb drive. Go to https://support.lenovo.com/us/en/solutions/ht102004 for detailed instructions on how to create and use a Golden Key U1 tool. VR pads Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions.

  • Page 68: Computer Front Cover

    11. Remove the system board. See “System board” on page 59. 12. Remove three screws and then flip the computer stand over. 13. Remove the computer front cover. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 69: Speaker

    14. Reinstall the computer front cover. 15. Reinstall all the removed parts and then reconnect the cables. Speaker 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.

  • Page 70: Fan

    11. Remove the system board. See “System board” on page 59. 12. Remove the computer front cover. See “Computer front cover” on page 62. 13. Remove three screws and then remove the fan. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 71: Lcd Cover

    14. Reinstall the fan. 15. Reinstall all the removed parts and then reconnect the cables. LCD cover 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.

  • Page 72: Backlight Cable

    7. Peel off the tape and then disconnect the backlight cable from the LCD module. Release the backlight cable from the cable guides and then remove the backlight cable. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 73: Lvds Cable

    8. Reinstall the backlight cable. 9. Reinstall all the removed parts and then reconnect the cables. LVDS cable 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.

  • Page 74: Touch Cable (For Selected Models)

    6. Remove the LCD cover. See “LCD cover” on page 65. 7. Pull the touch cable away from the connector and then remove the touch cable. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 75: Lcd Frame

    8. Reinstall the touch cable. 9. Reinstall all the removed parts and then reconnect the cables. LCD frame 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.

  • Page 76: Camera Module

    9. Remove the touch cable. See “Touch cable (for selected models)” on page 68. 10. Remove the LCD frame. See “LCD frame” on page 69. 11. Remove two screws and then remove the camera module. ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...
  • Page 77 12. Reinstall the camera module. 13. Reinstall all the removed parts and then reconnect the cables. Chapter 6 Hardware removal and installation...
  • Page 78 ThinkCentre neo 50a 24 Gen 5 ThinkCentre neo 50a 27 Gen 5 Hardware Maintenance Manual...

  • Page 79: 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 80 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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