About this documentation • This guide applies to the Lenovo product models listed below. Illustrations in this guide may look slightly different from your product model. Model name Machine types (MT) ThinkCentre neo 50s Gen 5 12XG, 12XF, 12XE, 12XD •...
Page 6
Note: This headset connector does not support standalone external microphones with a TRS (3-pole) plug or headsets with an OMTP-compliant TRRS (4-pole) plug. Related topics • “USB specifications” on page 5. • “Optical drive and optical drive latch” on page 29. • “Transfer data” on page 7. ThinkCentre neo 50s Gen 5 User Guide...
• Charge USB-C compatible devices with the output voltage and current of 5 V and 3 A. • Connect to USB-C accessories to help expand your computer functionality. To purchase USB-C accessories, go to https://www.lenovo.com/accessories • USB-C connector (USB 5Gbps) Chapter 1 Meet your computer...
• Monitor your computer health, and secure your computer against outside threats. • Scan your computer hardware and diagnose hardware problems. • Look up warranty status (online). • Access User Guide and helpful articles. ThinkCentre neo 50s Gen 5 User Guide...
Turn on both the Bluetooth on your computer and the Bluetooth device. Make sure the device is discoverable. Step 3. Select the device when it is displayed on the Add a device list, and then follow the on-screen instructions. Notes: If the Bluetooth connection failed, do the following: ThinkCentre neo 50s Gen 5 User Guide...
This computer offers a wealth of security measures to protect both the device and data safety. Lock the computer Note: Lenovo makes no comments, judgments, or warranties about the function, quality, or performance of the locking device and security feature. You can purchase computer locks from Lenovo.
• No Access: You cannot access the USB storage devices from the computer. To configure the Smart USB Protection function: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Security ➙ Smart USB Protection and press Enter. ThinkCentre neo 50s Gen 5 User Guide...
• Antivirus programs Lenovo preinstalls a full-version antivirus software on selected models of computer. It helps defend the computer against viruses, safeguard your identity, and keep your personal information secured. • Absolute Persistence Absolute Persistence technology is embedded in firmware.
UEFI BIOS password when your computer resumes from sleep mode. • Power-on password When a power-on password is set, you are prompted to enter a valid password each time the computer is turned on. • Supervisor password ThinkCentre neo 50s Gen 5 User Guide...
Page 17
You should record your passwords and store them in a safe place. If you forget the passwords, contact a Lenovo-authorized service provider. Note: If the hard disk password is forgotten, Lenovo cannot remove the password or recover data from the storage drive.
Note: The Lenovo BIOS Simulator Center makes periodic updates of the settings. The UEFI BIOS simulator interface and description of settings might be different from that on your actual user interface.
If the latest UEFI BIOS update package is available, follow the on-screen instructions to download and install the package. From the Lenovo Support Web site Follow the instructions to update the UEFI BIOS from the Lenovo Support Web site. Step 1. Go to and select the entry for your computer.
ICE performance mode The ICE performance mode helps you adjust the acoustic and thermal performance of your computer. Three options are available: • Balance mode: The computer works at the balance mode with balanced noise and better performance. • Performance mode (default setting): The computer works at the best performance with normal acoustic level.
If you intend on installing the CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You might be required to return the defective part that is replaced by the CRU.
1. Remove any media from the drives and turn off all connected devices and the computer. 2. Disconnect all power cords from electrical outlets and disconnect all cables from the computer. Removal steps Pick up the computer and remove the vertical stand. ThinkCentre neo 50s Gen 5 User Guide...
Computer 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. For access, do the following: 1.
1. Remove the computer cover. See “Computer cover” on page 21. 2. Disconnect the PCI-Express cables from the system board if any. Installation rule Install the graphics card to the PCIe slot shown in the following illustration. ThinkCentre neo 50s Gen 5 User Guide...
Removal steps 1. Pivot the PCIe latch outwards. 2. Press the retaining latch at the end of PCIe slot to unsecure PCIe card. 3. Gently pull the PCIe card out of the PCIe slot. 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: •...
Page 28
There are three swivel hooks at the bottom of the front bezel. and there are three hook slots at the bottom of the front panel. 1. Insert the three swivel hooks to each hook slot. 2. Pivot the front bezel inwards to install it to the chassis. ThinkCentre neo 50s Gen 5 User Guide...
Dummy optical drive 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. Remove these parts in order: •...
Find screw specification like torque in the following screw table. Screw (quantity) Torque Screw, #6-32 x L8, Hexhead (2) 5 ± 0.5 lb/in 2. Pivot the drive bay assembly upward, then remove it. ThinkCentre neo 50s Gen 5 User Guide...
Page 31
Installation steps There are four holes on the chassis to locate the drive bay assembly. 1. Insert the drive bay assembly into the four holes. Then pivot the drive bay assembly downward to install it to the chassis. 2. Secure the two screws. Chapter 4 CRU replacement...
1. Remove the four screws which secure the hard disk drive to the drive bay assembly, two screws at each side of the hard disk drive. Find screw specification like torque in the following screw table. ThinkCentre neo 50s Gen 5 User Guide...
Screw (quantity) Torque Step-screw, #6-32 (4) 5 ± 0.5 lb/in 2. Remove the hard disk drive. Optical drive and optical drive latch Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, do the following: 1.
Page 34
1. There are three holes on the optical drive to locate the optical drive latch. Install the optical drive latch to the optical drive and make sure that it is inserted into these holes. 2. Insert the optical drive to the chassis. ThinkCentre neo 50s Gen 5 User Guide...
Optical drive bezel 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 21. 2. Remove the “Optical drive and optical drive latch” on page 29. 3.
Find screw specification like torque in the following screw table. Screw (quantity) Torque Screw, #6-32 x L8, Hexhead (2) 5 ± 0.5 lb/in 2. Remove the optical drive bracket. ThinkCentre neo 50s Gen 5 User Guide...
Memory module Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. Ensure that you follow the installation rules shown in the following illustration. For access, remove these parts in order: • “Computer cover” on page 21 •...
• “Optical drive and optical drive latch” on page 29 • “Front bezel” on page 23 • “Drive bay assembly” on page 26 Removal steps for type-1 M.2 solid-state drive The type-1 M.2 solid-state drive is installed on the system board. ThinkCentre neo 50s Gen 5 User Guide...
Page 39
1. Remove the screw which secures the M.2 solid-state drive to the system board. Find screw specification like torque in the following screw table. Screw (quantity) Torque M2 x L3, black coated (1) 1.5 ± 0.5 lb/in 2. Remove the M.2 solid-state drive and thermal pad (if any) depending on the computer model. Removal steps for type-2 M.2 solid-state drive The type-2 M.2 solid-state drive is installed in its heatsink, and the heatsink is installed on the system board.
There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician. For access, do the following: 1. Remove these parts in order: • “Computer cover” on page 21 • “Optical drive and optical drive latch” on page 29 ThinkCentre neo 50s Gen 5 User Guide...
• “Front bezel” on page 23 • “Drive bay assembly” on page 26 2. Disconnect the power supply assembly cables from the system board. Removal steps 1. Remove the three screws which secure the power supply assembly to the chassis. Find screw specification like torque in the following screw table.
Page 42
1. Loosen the four screws which secure the CPU cooler to the system board, two screws at each side of the CPU cooler. Loosen the four screws in this order: from top right, bottom left, bottom right, to top left. 2. Remove the CPU cooler. ThinkCentre neo 50s Gen 5 User Guide...
• Bottom of your computer (shown as below illustration) Diagnose and troubleshoot your computer This section provides introduction to a set of diagnostics and troubleshooting tools at Lenovo Support Web site and the Vantage app. They can help you diagnose common software and hardware issues.
Lenovo Service Bridge. Lenovo Service Bridge helps to connect your computer with Lenovo diagnosing tools. • Lenovo Support Web site makes periodic updates of the sections to keep improving your experience with your computer. The Web site interface and descriptions of sections might be different from that on your actual interface.
Call Lenovo If you have tried to correct the problem yourself and still need help, you can call Lenovo Customer Support Center. Before you contact Lenovo Prepare the needed information before you contact Lenovo. 1. Record the problem symptoms and details: •...
Service availability and service names might vary by country or region. Accessibility features Lenovo is committed to making information technology accessible to everyone, including those with hearing, vision, or mobility limitations. Lenovo supports accessibility features in the following ways to help all users better engage with Lenovo products. Accessible documentation Lenovo documentation is designed to meet users' accessibility needs.
Page 47
– Vision features, such as text size and visual effect settings, make the screen contents easier to see. – Hearing features, such as audio and caption settings, make the screen contents easier to hear. – Interaction features, such as speech and eye-control settings, make the product easier to control. To access the accessibility features of the Windows 11 operating system, go to Start ➙...
Appendix A. Notice for USB connector name update The USB Implementers Forum published a revision of the guideline for USB connector names in September, 2022. Lenovo follows the revised guideline and updates USB connector names accordingly. You can refer to the table below for naming update details.
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 52
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.
Need help?
Do you have a question about the ThinkCentre neo 50s Gen 5 and is the answer not in the manual?
Questions and answers