Lenovo ThinkCentre M75q Gen 5 Desktop PC User Guide

: July 3, 2024
: Lenovo

ThinkCentre M75q Gen 5 Desktop PC

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Specifications

Model: ThinkCentre M75q Gen 5
Machine Types (MT): 12RQ, 12RR, 12RS, 12RT, 12RU, 12RV, 12RW,
12RX

Product Information

This computer is equipped with an extensive selection of ports,
providing convenient connectivity options for multiple devices.

Front Ports

1. USB-A connector (USB 10Gbps)
2. –
3. –
4. –
5. –
6. –
7. –

Note: For more information about the USB connector name update,
see Appendix A Notice for USB connector name update on page 31.

Statement on USB transfer rate: Depending on
many factors such as the processing capability of the host and
peripheral devices, file attributes, and other factors related to
system configuration and operating environments, the actual
transfer rate using the various USB connectors on this device will
vary and will be slower than the data rate listed in the connector
name or below for each corresponding device.

USB Data RatesUSB Device	Thunderbolt™ 3	Thunderbolt 4
Data Rate (Gbit/s)	40	40

USB-A connector (USB 10Gbps, Always On USB):
With the Always On USB feature enabled, the USB-A connector (USB
10Gbps, Always On USB) can charge a USB-A compatible device when
the computer is on, off, in sleep mode, or in hibernation mode.

To enable the Always On USB feature, follow these steps:

– Step 1
– Step 2
– Step 3

Product Usage Instructions

Chapter 2. Get started with your computer

Access networks:

– Instructions on how to connect to Wi-Fi networks or
Ethernet.

Connect an external display:

– Steps to connect an external monitor or TV to your
computer.

Connect to a Bluetooth device:

– Instructions on pairing Bluetooth devices using conventional
pair, swift pair methods.

Smart power-on feature:

– Information on enabling and using the smart power-on feature
on selected models.

Set the power plan:

– Guidance on selecting and customizing power plans for energy
efficiency.

Security:

– How to lock your computer, enable Smart USB protection, and
use software security solutions.

Chapter 3. UEFI BIOS

– Steps to access and navigate the UEFI BIOS menu.

Enable or disable the ErP LPS compliance mode:

– Instructions on managing the ErP LPS compliance mode
settings.

Update the UEFI BIOS:

– Details on updating the UEFI BIOS from different sources like
Vantage app, Lenovo Support Web site, or Windows Update.

Frequently Asked Questions (FAQ)

Q: How do I find my serial number?

A: The serial number can be found in the Help and support
section under “Find your serial number.”

Q: How can I diagnose and troubleshoot my computer?

A: Refer to the Help and support section for information on
diagnosing and troubleshooting your computer using resources like
Lenovo Support Web site and hardware scan.

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M75q Gen 5 User Guide

Read this first Before using this documentation and the product it supports, ensure that you read and understand the following: · Safety and Warranty Guide · Generic Safety and Compliance Notices · Setup Guide
First Edition (June 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. GS35F-05925.

Contents
About this documentation . . . . . . . .iii
Chapter 1. Meet your computer . . . . . 1
Front . . . . . . . . . . . . . . . . . . . . 1 Rear . . . . . . . . . . . . . . . . . . . . 3 Specifications . . . . . . . . . . . . . . . . 4 USB specifications . . . . . . . . . . . . . . 5 The Vantage app . . . . . . . . . . . . . . . 5
Chapter 2. Get started with your computer . . . . . . . . . . . . . . . . . 7
Access networks . . . . . . . . . . . . . . . 7 Connect an external display . . . . . . . . . . . 7 Connect to a Bluetooth device (for selected models) . . . . . . . . . . . . . . . . . . . 7
Conventional pair . . . . . . . . . . . . . 7 Swift pair . . . . . . . . . . . . . . . . 8 Smart power-on feature (for selected models) . . . . 8 Set the power plan . . . . . . . . . . . . . . 8 Security . . . . . . . . . . . . . . . . . . . 9 Lock the computer . . . . . . . . . . . . . 9 Smart USB protection . . . . . . . . . . . 9 Use software security solutions . . . . . . . 10
Chapter 3. UEFI BIOS . . . . . . . . . 11
Enter the UEFI BIOS menu . . . . . . . . . . 11 Navigate the UEFI BIOS menu . . . . . . . . . 11 Enable or disable the ErP LPS compliance mode . . 11 Update the UEFI BIOS . . . . . . . . . . . . 12
From the Vantage app . . . . . . . . . . 12 From the Lenovo Support Web site . . . . . 12 From the Windows Update . . . . . . . . 12
Chapter 4. CRU replacement . . . . . 13

CRU list . . . . . . . . . . . . . . . . . . 13 Power adapter . . . . . . . . . . . . . . . 14 Vertical stand. . . . . . . . . . . . . . . . 15 VESA mount bracket . . . . . . . . . . . . . 16 Dust shield. . . . . . . . . . . . . . . . . 17 External Wi-Fi antenna . . . . . . . . . . . . 17 Computer cover. . . . . . . . . . . . . . . 18 Board-to-Board module . . . . . . . . . . . 19 Internal speaker . . . . . . . . . . . . . . . 20 System fan. . . . . . . . . . . . . . . . . 20 ThinkCentre LED cable . . . . . . . . . . . . 21 Memory module . . . . . . . . . . . . . . 22 M.2 solid-state drive . . . . . . . . . . . . . 24
Chapter 5. Help and support . . . . . 25
Find your serial number . . . . . . . . . . . . 25 Diagnose and troubleshoot your computer . . . . 25
Troubleshoot and diagnose at Lenovo Support Web site . . . . . . . . . . . . 25 Hardware scan . . . . . . . . . . . . . 26 Recover your Windows operating system . . . . . 26 Call Lenovo . . . . . . . . . . . . . . . . 27 Before you contact Lenovo . . . . . . . . 27 Self-help resources . . . . . . . . . . . . . 27 Purchase accessories or additional services . . . 27 Accessibility features. . . . . . . . . . . . . 28
Appendix A. Notice for USB connector name update . . . . . . . . 31
Appendix B. Notices and trademarks . . . . . . . . . . . . . . . 33

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ii M75q Gen 5 User Guide

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 ThinkCentre M75q Gen 5

Machine types (MT) 12RQ, 12RR, 12RS, 12RT, 12RU, 12RV, 12RW, 12RX

· For more compliance information, refer to Regulatory Notice at https://pcsupport.lenovo.com and Generic Safety and Compliance Notices at https://pcsupport.lenovo.com/docs/generic_notices.
· Depending on the model, some optional accessories, features, and software programs might not be available on your computer.
· Depending on the version of the operating systems and programs, some user interface instructions might not be applicable to your computer.
· Documentation content is subject to change without notice. Lenovo makes constant improvements to the documentation of your computer, including this User Guide. To get the latest documentation, go to https:// pcsupport.lenovo.com.
· Microsoft® makes periodic feature changes to the Windows® operating system through Windows Update. As a result, some information in this documentation might become outdated. Refer to Microsoft resources for the latest information.

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iv M75q Gen 5 User Guide

Chapter 1. Meet your computer
This computer is equipped with an extensive selection of ports, providing convenient connectivity options for multiple devices.
Front

Item 1 3 5 7

Description ThinkCentre® LED Storage drive activity indicator USB-A connector (USB 10Gbps, Always On USB) Headset connector

Item 2 4
6

Description Power button with power indicator USB-C® connector (USB 10Gbps)
USB-A connector (USB 10Gbps)

Note: For more information about the USB connector name update, see Appendix A “Notice for USB connector name update” on page 31.
Statement on USB transfer rate
Depending on many factors such as the processing capability of the host and peripheral devices, file attributes, and other factors related to system configuration and operating environments, the actual transfer rate using the various USB connectors on this device will vary and will be slower than the data rate listed in the connector name or below for each corresponding device.

USB device ThunderboltTM 3 Thunderbolt 4

Data rate (Gbit/s) 40 40

Power indicator Show the system status of your computer. · Blinking for three times: The computer is initially connected to power. · On: The computer is starting up or working. · Off: The computer is off or in hibernation mode. · Blinking rapidly: The computer is entering sleep or hibernation mode. · Blinking slowly: The computer is in sleep mode.

1

USB-A connector (USB 10Gbps, Always On USB) With the Always On USB feature enabled, the USB-A connector (USB 10Gbps, Always On USB) can charge a USB-A compatible device when the computer is on, off, in sleep mode, or in hibernation mode. To enable the Always On USB feature, do the following:
1. Enter the UEFI BIOS menu. See “Enter the UEFI BIOS menu” on page 11. 2. Click Devices USB Setup Front USB Ports USB Port 2 to enable the Always On USB feature. Headset connector The headset connector is compatible with: · Headphones or earphones with a 3.5mm (0.14 inch), TRS (3-pole) plug · Headsets with a 3.5mm (0.14 inch), CTIA-compliant TRRS (4-pole) plug 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.
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Rear

Item 1 3 5
7 9

Description Security-lock slot Wi-Fi® antenna slot* USB-A connectors (Hi-Speed USB)
HDMITM out connector DisplayPortTM out connector

Item 2 4 6
8 10

Description Optional connectors* Ethernet connector USB-A connector (USB 5Gbps) (with smart power-on feature) USB-A connector (USB 10Gbps) Power adapter connector

for selected models
Optional connector Depending on the computer model, the connector might be a DisplayPort out connector, a USB-C connector, a VGA-out connector, a Serial connector, or an HDMITM out connector.
Related topics · “Lock the computer” on page 9. · “Connect an external display” on page 7. · “USB specifications” on page 5.

Chapter 1. Meet your computer 3

Specifications
Specification Dimensions Weight (without packaging) Hardware configuration Power supply Electrical input Memory
Storage device
Video features
Expansion Network features

Description
· Width: 179.00 mm (7.0 inches) · Height: 36.50 mm (1.4 inches) · Depth: 182.90 mm (7.2 inches) Maximum configuration as shipped: 1.25 kg (2.8 lb) To view the hardware configuration of your computer, type device manager in the Windows search box and then press Enter.
· 65-watt automatic voltage-sensing power supply · 90-watt automatic voltage- sensing power supply · 135-watt automatic voltage-sensing power supply
· Input voltage: From 100 V ac to 240 V ac · Input frequency: 50/60 Hz
· Up to two double data rate 5 (DDR5) small outline dual in-line memory modules (SODIMMs)
· The maximum capacity: 64 GB M.2 solid-state drive
To view the storage drive capacity of your computer, type disk management in the Windows search box and then press Enter.
Note: The storage drive capacity indicated by the system is less than the nominal capacity. The integrated graphics card supports the following: · DisplayPort out connector · HDMI out connector · USB-C connector (on rear panel) · VGA-out connector
· Memory slots · M.2 solid-state drive slot
· Bluetooth · Ethernet LAN · Wireless LAN

for selected models
Operating environment Maximum altitude (without pressurization) · Operating: From -15.2 m (-50 ft) to 3048 m (10 000 ft) · Storage: From -15.2 m (-50 ft) to 10668 m (35 000 ft)

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Temperature · Operating: From 5°C (41°F) to 35°C (95°F) · Storage: From -40°C (-40°F) to 60°C (140°F)
Relative humidity · Operating: 20%-80% (non-condensing) · Storage: 10%-90% (non-condensing)

USB specifications
Note: Depending on the model, some USB connectors might not be available on your computer.

Connector name

Description

·

USB-A connector (Hi-Speed USB)

·

USB-A connector (USB 5Gbps)

·

USB-A connector (USB 10Gbps)

Connect USB-A compatible devices, such as a USB-A keyboard, USB-A mouse, USB-A storage device, or USBA printer.

· Charge USB-C compatible devices with the output voltage and current of 5 V and 0.9 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 10Gbps)
The Vantage app
The Vantage app is a customized one-stop solution to help you maintain your computer with automated updates and fixes, configure hardware settings, and get personalized support.
To access the Vantage app, type Vantage in the Windows search box. Notes: · The available features vary depending on the computer model.

Chapter 1. Meet your computer 5

· The Vantage app makes periodic updates of the features to keep improving your experience with your computer. The description of features might be different from that on your actual user interface. You can download the latest version of Vantage app from Microsoft Store.
The Vantage app enables you to: · Know the device status easily and customize device settings. · Download and install UEFI BIOS, firmware, and driver to keep your computer up-to-date. · 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.
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Chapter 2. Get started with your computer
Access networks
This section helps you connect to a wireless or wired network.
Connect to Wi-Fi networks (for selected models)
Click the network icon on the bottom right of your display to connect to an available network. Provide required information, if needed. Note: The wireless LAN module on your computer may support different standards. For some countries or regions, use of 802.11ax may be disabled according to local regulations.
Connect to the wired Ethernet
Connect your computer to a local network through the Ethernet connector on your computer with an Ethernet cable.

Connect an external display
Connect a projector or a monitor to your computer to give presentations or expand your workspace.
Change display settings 1. Right-click a blank area on the desktop and select display settings. 2. Select the display that you want to configure and change display settings of your preference.

Connect to a Bluetooth device (for selected models)
You can connect all types of Bluetooth-enabled devices to your computer, such as a keyboard, a mouse, a smartphone, or speakers. To ensure successful connection, place the devices at most 10 meters (33 feet) from the computer.

Conventional pair
This topic helps you connect to a Bluetooth device by conventional pair.

Step 1. Step 2.

Type Bluetooth in the Windows search box and then press Enter.
Turn on both the Bluetooth on your computer and the Bluetooth device. Make sure the device is discoverable.

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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: 1. Type Device Manager in the Windows search box and then press Enter. 2. Locate the Bluetooth adapter. Right-click and select Update driver. 3. Select Search automatically for drivers, and then follow the on-screen instructions.
Swift pair
This topic helps you connect to a Bluetooth device by swift pair.
If your Bluetooth device supports swift pair, do the following:
Step 1. Enable swift pair notification on Bluetooth settings page. Step 2. Turn on both the Bluetooth on your computer and the Bluetooth device. Make sure the device is
discoverable. Step 3. Click Connect when a swift pair notification appears on your computer.
Notes: If the Bluetooth connection failed, do the following: 1. Type Device Manager in the Windows search box and then press Enter. 2. Locate the Bluetooth adapter. Right-click and select Update driver. 3. Select Search automatically for drivers, and then follow the on-screen instructions.

Smart power-on feature (for selected models)
The smart power-on feature helps you start up or wake up the computer from the hibernation mode simply by pressing Alt+P.

Note: Ensure that the keyboard is connected to a USB connector supporting the smart power-on feature.

Enable or disable the smart power-on feature

To enable or disable the smart power-on feature:

Step 1. Step 2. Step 3. Step 4.

Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. Select Power Smart Power On and press Enter. Enable or disable the feature as desired. Press F10 or Fn+F10 to save the changes and exit.

Set the power plan
For ENERGY STAR® compliant computers, the following power plan takes effect when your computers have been idle for a specified duration: · Turn off the display: After 10 minutes · Put the computer to sleep: After 25 minutes
To awaken the computer from Sleep mode, press any key on your keyboard.
To set the power plan:

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1. Type Power Options in the Windows search box and then press Enter. 2. Choose or customize a power plan of your preference.
Security
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. Security lock Lock your computer to a desk, table, or other fixtures through a security lock.
Smart USB protection
The Smart USB Protection function is a security function that helps prevent data from being copied from the computer to USB storage devices connected to the computer. You can set the Smart USB Protection function to one of the following modes: · Disabled (default setting): You can use the USB storage devices without limitation. · Read Only: You cannot copy data from the computer to the USB storage devices. However, you can
access data on the USB storage devices. · 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. 3. Select the desired setting and press Enter. 4. Press F10 or Fn+F10 to save the changes and exit.
Chapter 2. Get started with your computer 9

Use software security solutions
The following software solutions help secure your computer and information. · Windows Security
Windows Security is a software built-in to the operating system. It continually scans for malicious software, viruses, and other security threats. Besides, Windows updates are downloaded automatically to help keep your computer safe. Windows Security also enables you to manage tools including firewall, account protection, application and browser control, and so on. · 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. It detects changes that happen on the hardware, software, or the call-in location. It keeps you always knowing what condition the computer is in. To activate the technology, you have to purchase a subscription to Absolute. Note: For more information about how to use these software solutions, refer to their help systems respectively.
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Chapter 3. UEFI BIOS

Enter the UEFI BIOS menu
Turn on or restart the computer. When the logo screen is displayed, press F1 or Fn+F1 to enter the UEFI BIOS menu.
Note: If you have set UEFI BIOS passwords, enter the correct passwords when prompted. You also can select No or press Esc to skip the password prompt and enter the UEFI BIOS menu. However, you cannot change the system configurations that are protected by passwords.

Navigate the UEFI BIOS menu
Follow the on-screen instructions to navigate in the UEFI BIOS menu.
The table below introduces the available settings of the UEFI BIOS menu. You can follow the on-screen instruction to navigate in the UEFI BIOS menu.
Note: The UEFI BIOS menu might vary depending on system configurations.

Menu Main
Devices
Advanced Power Security Startup Exit

Introduction This category provides the general product-related and firmware information including system summary, machine type, product serial number, UUID number, etc.
This category introduces how to configure various devices such as USB ports and audio controllers. This category provides advanced information about the computer such as the CPU features.
This category introduces power and thermal management solutions.
This category introduces various passwords, locks, and software to protect your computer.
This category introduces how to set the boot priority order. This category introduces how to exit as you prefer.

You can go to Lenovo BIOS Simulator Center https://download.lenovo.com/bsco/index.html to explore the detailed settings by your product name.
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.

Enable or disable the ErP LPS compliance mode
Lenovo computers meet the eco-design requirements of the ErP Lot 3 regulation. Follow the instruction to enable or disable the ErP LPS compliance mode.
For more information about the eco-design requirements, go to: https://www.lenovo.com/us/en/compliance/ eco-declaration.
You can enable the ErP LPS compliance mode to reduce the consumption of electricity when the computer is off. To enable or disable the ErP LPS compliance mode:
Step 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1.

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Step 2. Select Power Enhanced Power Saving Mode and press Enter. Step 3. Enable or disable the feature as desired.
Note: Please note that when the Enhanced Power Saving Mode is disabled, the power consumption might be increased when the computer is off. Step 4. Press F10 or Fn+F10 to save the changes and exit.
When the ErP LPS compliance mode is enabled, you can wake up the computer by doing one of the following: · Press the power button. · Enable the Wake Up on Alarm feature to make the computer wake up at a set time.
To meet the requirement of ErP compliance, you need to disable the Fast Startup function. 1. Go to Control Panel and view by large icons or small icons. 2. Click Power Options Choose what the power buttons do Change settings that are currently unavailable. 3. Clear the Turn on fast startup (recommended) option from the Shutdown settings list.

Update the UEFI BIOS
When you install a new program, device driver, or hardware component, you might need to update the UEFI BIOS.

Download and install the latest UEFI BIOS update package by one of the following methods:

From the Vantage app
Follow the instructions to update the UEFI BIOS from the Vantage app.

Step 1. Open the Vantage app, and then click Device System Update.
Step 2. 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. Step 2. Step 3.

Go to https://pcsupport.lenovo.com and select the entry for your computer. Click Drivers & Software Manual Update BIOS/UEFI. Follow the on-screen instructions to download and install the latest UEFI BIOS update package.

From the Windows Update
Follow the instructions to update the UEFI BIOS from the Windows Update.

Step 1. Step 2. Step 3.

Type Settings in the Windows search box and press Enter.
Click Update & Security Windows Update Check for Updates. If a BIOS update package appears in your update list, click Download or Install to initiate the update.

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Chapter 4. CRU replacement
Customer Replaceable Units (CRUs) are parts that can be replaced by the customer. Lenovo computers contain the following types of CRUs: · Self-service CRUs: Refer to parts that can be replaced easily by customer themselves or by trained
service technicians at an additional cost. · Optional-service CRUs: Refer to parts that can be replaced by customers with a greater skill level.
Trained service technicians can also provide service to replace the parts under the type of warranty designated for the customer’s machine.
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. When return is required: (1) return instructions, a prepaid shipping label, and a container will be included with the replacement CRU; and (2) you might be charged for the replacement CRU if Lenovo does not receive the defective CRU within thirty (30) days of your receipt of the replacement CRU. For full details, see the Lenovo Limited Warranty documentation at: https://www.lenovo.com/warranty/llw_02
CRU list
The following is the CRU list of your computer.
Self-service CRUs · Computer cover · Dust shield · External Wi-Fi antenna · Keyboard · M.2 solid-state drive · Memory module · Mouse · Power adapter · Power cord · Thumb screw · Vertical stand · VESA® mount bracket
Optional-service CRUs · Board-to-Board module · Internal speaker · ThinkCentre LED cable · System fan

for selected models

13

Power adapter
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. 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. Replacement procedures
14 M75q Gen 5 User Guide

Vertical stand
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. 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.
Chapter 4. CRU replacement 15

Removal step
VESA mount bracket
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. 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
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Screw (quantity) M3 x 6 mm, Zn coated(2)

Color Black

Torque 1.5 ± 0.2 lb/in

Dust shield
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. 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 step

External Wi-Fi antenna
Prerequisite Before you start, read Generic Safety and Compliance Notices and print the following instructions.
Chapter 4. CRU replacement 17

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. 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
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. 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. 3. Unlock any locking device that secures the computer cover. 4. Hold the sides of the computer and gently lay it down so that the computer cover is facing up.
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Removal steps

Screw (quantity) M4 x 5 mm, Zi coated(1)

Color Black

Torque 3 ± 0.5 lb/in

Note: If a locking device is available, use it to lock the computer.

Board-to-Board module

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, remove the computer cover. See “Computer cover” on page 18.
Removal steps

Chapter 4. CRU replacement 19

No.

Screw (quantity)

Color

1

M3 x 4 mm, Zn coated(1)

Black

2

M3 x 5 mm, Zn coated(1)

Black

Torque 3.0 ± 0.5 lb/in 3.0 ± 0.5 lb/in

Internal 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.
For access, do the following: 1. Remove the computer cover. See “Computer cover” on page 18. 2. Disconnect the internal speaker cable from the internal speaker connector on the system board.
Removal steps

System fan
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. 20 M75q Gen 5 User Guide

For access, do the following: 1. Remove these parts in order, if any: · “Computer cover” on page 18 · “Internal speaker” on page 20 2. Disconnect the system fan cable from the system fan connector on the system board.
Removal steps
ThinkCentre LED 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.
Chapter 4. CRU replacement 21

For access, remove these parts in order, if any: · “Computer cover” on page 18 · “Internal speaker” on page 20 · “System fan” on page 20 Removal step
Memory module
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. Ensure that you follow the installation order for memory modules shown in the following illustration.
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For access, remove these parts in order, if any: · “Computer cover” on page 18 · “System fan” on page 20 Replacement procedures
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.
Chapter 4. CRU replacement 23

M.2 solid-state drive
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. Inappropriate handling might cause damage and permanent loss of data. When handling the internal storage drive, observe the following guidelines: · 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. · Do not touch the contact edge of the internal storage drive. Otherwise, the internal storage drive might get
damaged. · Do not apply pressure to the internal storage drive. · Do not make the internal storage drive subject to physical shocks or vibration. Put the internal storage
drive on a soft material, such as cloth, to absorb physical shocks. For access, remove the computer cover. See “Computer cover” on page 18. Removal steps
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Chapter 5. Help and support
Find your serial number
This topic helps you find computer serial number.
You can find your serial number via: · Dashboard or Device in the Vantage app · Serial number and machine type label 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.
The following table lists these diagnostics tools and the recommended conditions for each tool.

Diagnostics tool Troubleshoot and diagnose at Lenovo Support Web site
Hardware scan

Recommended scenario
You want to have an online troubleshooting or scan of hardware and drivers on your computer.
· Your computer is installed with the Vantage app. · You want to perform basic examinations of the
hardware components.

Troubleshoot and diagnose at Lenovo Support Web site
Lenovo provides two different diagnosing solutions to help you identify and resolve problems on your computer.
Step 1. Go to https://www.pcsupport.lenovo.com/ and enter your product name in the search box.

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Step 2. Click Troubleshoot & Diagnose and select the option that fits your need.
Notes:
· Before launching any automatic diagnosing process, a pop-up window will be prompted to install 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.

· If you are unaware of what problem your computer goes with, it is recommended that you select Easy and follow on-screen instructions to get your firmware updated and obtain the hardware status.
· If you have identified the problem on your computer, you can select Custom and follow on-screen instructions to resolve the problem.

If solutions can not resolve problems on your computer, you can follow on- screen instructions to submit an e-ticket or contact Lenovo for professional assistance.

Hardware scan
Hardware scan is an effective hardware testing tool to help you identify existing hardware issues.

To run the Hardware scan:

Step 1. Step 2. Step 3.

Type Vantage in the Windows search box and then press Enter.
Click Hardware scan or Support Hardware scan. Select QUICK SCAN or CUSTOMIZE and then follow the on-screen instructions to run the hardware scan.

Notes:
· The Quick Scan tool contains a pre-selected suite of tests that performs basic examinations of the hardware components found in the system. The Customize tool enables you to select one or several hardware components to perform the examinations.
· Before selecting QUICK SCAN, click Refresh Modules to ensure that the list of hardware components is the components currently available for the computer.
Step 4. If any hardware failure is detected, the result varies depending on the warranty status and varies by country or region. Follow the on-screen instructions to resolve the issue.

Recover your Windows operating system
When you encounter some unexpected issues with your operating system, you can choose to recover your operating system by yourself or call Lenovo Customer Support Center.
Note: Microsoft constantly makes updates to the Windows operating system. Before installing a particular Windows version, check the compatibility list for the Windows version. For details, go to https:// support.lenovo.com/us/en/solutions/ht512575.

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To recover your operating system to… Factory defaults
A previous system point

See.
Refer to the instructions in https://support.lenovo.com/ HowToCreateLenovoRecovery Refer to the instructions in Popular Topics: https://support.lenovo.com/ solutions/ht118590

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: · What is the problem? Is it continuous or intermittent? · Any error message or error code? · What operating system are you using? Which version? · Which software applications were running at the time of the problem? · Can the problem be reproduced? If so, how?
2. Record the system information: · Product name · Machine type and serial number.

Self-help resources
Use the following self-help resources to learn more about the computer and troubleshoot problems.

Resources Lenovo Support Web Site Tips Lenovo Community Accessibility information

How to access? https://pcsupport.lenovo.com https://www.lenovo.com/tips https://forums.lenovo.com https://www.lenovo.com/accessibility

Windows help information

· Open the Start menu and click Get Help or Tips.
· Use Windows Search.
· Microsoft support Web site: https:// support.microsoft.com

Purchase accessories or additional services
This topic provides instructions on how to purchase accessories or additional services.

Chapter 5. Help and support 27

Accessories Lenovo has a number of hardware accessories and upgrades to help expand the functionalities of your computer. Accessories include memory modules, storage devices, network cards, power adapters, keyboards, mice, and so on.
To shop at Lenovo, go to https://www.lenovo.com/accessories.
Additional services During and after the warranty period, you can purchase additional services from Lenovo at https:// pcsupport.lenovo.com/warrantyupgrade.
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. Users can read the documentation with assistance as needed. For example: · Text and images are in high contrast. Color contrast can enhance the visual experience. In this mode, all
contents are highlighted to be more visible. · Text is logical and readable. Images are also readable with alternative text provided. A screen reader can
enhance the hearing or listening experience. In this mode, all contents are clearer and easier to understand. · Text is large and clear, making it easier to read. A magnifier can enlarge the text to improve readability.
For more information, watch the video at: https://support.lenovo.com/docs/pc_pub_accessibility
Accessible product design Lenovo product design also supports accessibility features.
Note: The accessibility features vary by product. Depending on the product model, some accessibility features listed below might not be applicable to the product. To get the most up-to-date accessibility information for the product, go to https://www.lenovo.com/accessibility. For additional support from Lenovo, users can find phone numbers for their country or region from https://support.lenovo.com/supportphonelist.
· Keyboards Lenovo keyboards support various accessibility features. For example: Consistent layout of keyboards for easier use Tactile markings on some keys for easier identification Appropriate spacing between keys for typing efficiency Sufficient contrast of keys, controls, and labels for better visibility On-screen notification or lighted notification for some keys for ease of use Keys and controls that can be reached and operated using one hand and require minimal dexterity for ease of use
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· Industry-standard connectors The industry-standard connectors on Lenovo products enable better compatibility with peripheral devices.
· Operating systems The accessibility features of the operating systems can be configured to assist users in the following ways: 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 Settings Accessibility.
Chapter 5. Help and support 29

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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.

Current name USB-A connector (Hi-Speed USB) USB-A connector (USB 5Gbps) USB-A connector (USB 10Gbps) USB-A connector (USB 5Gbps, Always On USB) USB-A connector (USB 10Gbps, Always On USB) USB-C connector (USB 5Gbps) USB-C connector (USB 10Gbps) USB-C connector (USB 20Gbps) USB-C connector (USB4 20Gbps) USB-C connector (USB4 40Gbps) USB-C connector (Thunderbolt 3) USB-C connector (Thunderbolt 4)

Previous name USB-A 2.0 connector USB-A 3.2 Gen 1 connector USB-A 3.2 Gen 2 connector Always on USB-A 3.2 Gen 1 connector Always on USB-A 3.2 Gen 2 connector USB-C (3.2 Gen 1) connector USB-C (3.2 Gen 2) connector USB 3.2 Gen 2×2 USB 4 Gen 2×2 USB-C (USB 4) connector USB-C (Thunderbolt 3) connector USB-C (Thunderbolt 4) connector

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Appendix B. Notices and trademarks
Notices
Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local 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. However, it is the user’s responsibility to evaluate and verify the operation of any other product, program, or service.
Lenovo may have patents or pending patent programs covering subject matter described in this document. The furnishing of this document does not give you any license to these patents. You can send license inquiries, in writing, to:
Lenovo (United States), Inc. 8001 Development Drive Morrisville, NC 27560 U.S.A. Attention: Lenovo Director of Licensing
LENOVO PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to you.
Changes are made periodically to the information herein; these changes will be incorporated in new editions of the publication. To provide better service, Lenovo reserves the right to improve and/or modify the products and software programs described in the manuals included with your computer, and the content of the manual, at any time without additional notice.
The software interface and function and hardware configuration described in the manuals included with your computer might not match exactly the actual configuration of the computer that you purchase. For the configuration of the product, refer to the related contract (if any) or product packing list, or consult the distributor for the product sales. Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons. The information contained in this document does not affect or change Lenovo product specifications or warranties. Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties. All information contained in this document was obtained in specific environments and is presented as an illustration. The result obtained in other operating environments may vary.
Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
Any references in this publication to non-Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites. The materials at those Web sites are not part of the materials for this Lenovo product, and use of those Web sites is at your own risk.

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Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development- level systems and there is no guarantee that these measurements will be the same on generally available systems. 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. Lenovo may update this document at any time without notice. For the latest information or any questions or comments, contact or visit the Lenovo Web site: https://pcsupport.lenovo.com Trademarks Lenovo, Lenovo logo, ThinkCentre, and ThinkCentre logo are trademarks of Lenovo. Intel and Thunderbolt are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries. Microsoft and Windows are trademarks of the Microsoft group of companies. DisplayPort and VESA are trademarks of the Video Electronics Standards Association. The terms HDMI and HDMI High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. USB-C is a registered trademark of USB Implementers Forum. Wi-Fi is a registered trademark of Wi-Fi Alliance. All other trademarks are the property of their respective owners.
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