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M90a Pro Gen4
User Guide

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Summary of Contents for Lenovo 12JM

  • Page 1 M90a Pro Gen4 User Guide...
  • Page 2 • Setup Guide First Edition (September 2023) © Copyright Lenovo 2023. 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

    Self-help resources ... . . Antivirus programs ... . Call Lenovo ....Computrace Agent software embedded in Before you contact Lenovo .
  • Page 4 Appendix B. Notices and Purchase additional services..trademarks ....53 Appendix A. Compliance information ....51 M90a Pro Gen4 User Guide...
  • Page 5: Discover Your Lenovo Computer

    Discover your Lenovo computer ® Thank you for choosing a Lenovo computer! We are dedicated to delivering the best solution to you. Before starting your tour, please read the following information: • Illustrations in this documentation might look different from your product.
  • Page 6 M90a Pro Gen4 User Guide...
  • Page 7: Chapter 1. Meet Your Computer

    3. Integrated camera or Infrared (IR) camera* 4. Integrated camera or Infrared (IR) camera shield* 5. IR camera activity indicator* 6. Screen 7. System status indicator 8. Microphone mute/unmute indicator ™ 9. Microphone mute/unmute control 10. Thunderbolt 4 connector © Copyright Lenovo 2023...
  • Page 8 • “Use the optical drive (for selected models)” on page 18. • “Use a media card (for selected models)” on page 19. • “Lenovo diagnostic tools” on page 8. • “USB specifications” on page 5. M90a Pro Gen4 User Guide...
  • Page 9: Rear

    Rear ™ 1. DisplayPort out connector ™ 2. HDMI in 1.4/out 2.1 TMDS combo connector ® 4. USB-C (3.2 Gen 2) connector 3. Ethernet connector 6. USB 3.2 connector Gen 1 (with smart power-on 5. USB 3.2 connectors Gen 1 feature) 7.
  • Page 10: Features And Specifications

    Features and specifications For detailed specifications of your computer, go to https://psref.lenovo.com • Width: 613.6 mm(24.2 inches) Dimensions (without any • Height: 384.3 mm (15.1 inches) computer stand) • Depth: 54.5 mm (2.1 inches) Maximum configuration as shipped: 11.2 kg (24.7 lb) Weight (without packaging) 啊,...
  • Page 11: Usb Specifications

    • 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 (3.2 Gen 1) connector • USB-C (3.2 Gen 2) connector •...
  • Page 12 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 below for each corresponding device.
  • Page 13: Chapter 2. Get Started With Your Computer

    Chapter 2. Get started with your computer Adjust the computer stand (for selected models) For full-function monitor stand For UltraFlex V Stand © Copyright Lenovo 2023...
  • Page 14: Rotate The Monitor (For Selected Models)

    Rotate the monitor (for selected models) The full function stand supports rotating the computer monitor from horizontal to vertical in certain usage scenario. Before rotating, you must adjust the monitor to the highest point (110 mm) and the tilt angle to maximum (backward 20 degrees).
  • Page 15: Use The Touch Screen (For Selected Models)

    Use the touch screen (for selected models) If your computer display supports the multi-touch function, you can navigate the screen with simple touch gestures. For more touch gestures, refer to https://support.microsoft.com/windows Note: Some gestures might not be applicable when you use certain apps. Illustrations and description Illustrations and description Tap once to single click...
  • Page 16: Connect An External Display

    Illustrations and description Illustrations and description Swipe from the left: view all open windows (Windows 10) Swipe from the right: open action center (Windows 10) Swipe from the left: open widget panel (Windows 11) Swipe from the right: open notification center (Windows Swipe downwards shortly: show title bar Drag Swipe downwards: close the current app...
  • Page 17: Use The Conference Call Base (For Selected Models)

    Use the Conference Call Base (for selected models) The Conference Call Base is a premium conference-call device that is designed for amazing conference-call experience: • Microphone – Advanced line array with four high signal-noise ratio (SNR) microphones – Inventive tuning for better echo performance and full duplex speech –...
  • Page 18 M90a Pro Gen4 User Guide...
  • Page 19 Note: The Conference Call Base is designed to use together with a computer. It is recommended that you disconnect it from ac power once you disconnect your computer from the Conference Call Base. Power consumption in different modes The power management function or a similar function can switch the conference call base to one of the following modes: standby mode, off mode, or networked standby mode.
  • Page 20 Description USB-C connector (for power and signal) USB-C connector (for power and signal) Buttons functions and LED status Buttons functions Buttons Behaviors and functions Teams button Short press: Invoke Microsoft Teams running on your computer. Note: Above behavior is defined by Microsoft Teams and might change.
  • Page 21: Chapter 3. Explore Your Computer

    1. Connect your computer to the Thunderbolt 3.0 connector on your ThinkCentre M90a Pro Gen4 with the included USB-C cable. 2. Press the OSD joystick on the rear of your ThinkCentre M90a Pro Gen4. See Rear. 3. Select Shared settings ➙ 2nd SSD share ➙ Yes. © Copyright Lenovo 2023...
  • Page 22: Privacy (For Selected Models)

    The default screen-off timer is 10 seconds. Note: Ensure that you have enabled the human presence detection feature and registered your face identification. Lenovo does not collect any personal data. The Vantage app The preinstalled 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.
  • Page 23: Night Light (Software Solution)

    To turn on or turn off the night light, type Night light in the Windows search box and then press Enter. Then, follow the on-screen instructions. Note: Selected Lenovo computers are low blue-light certified. These computers are tested with night light turned on and color temperature set to the default value of 48.
  • Page 24: Use The Optical Drive (For Selected Models)

    1. Type Bluetooth in the Windows search box and then press Enter. 2. Turn on Bluetooth, if it is off. 3. Select a Bluetooth device, and then follow the on-screen instructions. Use the optical drive (for selected models) If your computer has an optical drive, read the following information. Know the type of your optical drive 1.
  • Page 25: Use A Media Card (For Selected Models)

    3. Press the card and remove it from your computer. Store the card safely for future use. Purchase accessories Lenovo has a number of hardware accessories and upgrades to help expand the capabilities of your computer. Options include memory modules, storage devices, network cards, power adapters, keyboards, mice, and more.
  • Page 26 M90a Pro Gen4 User Guide...
  • Page 27: Chapter 4. Secure Your Computer And Information

    Chapter 4. Secure your computer and information 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.
  • Page 28: Certificate-Based Bios Management

    You should record your passwords and store them in a safe place. If you forget the passwords, contact a Lenovo-authorized service provider to have the passwords removed. Note: If the hard disk password is forgotten, Lenovo cannot remove the password or recover data from the storage drive.
  • Page 29: Face Authentication (For Selected Models)

    The computer is preinstalled with an antivirus program to help you guard against, detect, and eliminate viruses. Lenovo provides a full version of antivirus software on the computer with a free 30-day subscription. After 30 days, you must renew the license to continue receiving the antivirus software updates.
  • Page 30: Computrace Agent Software Embedded In Firmware (For Selected Models)

    Note: Virus definition files must be kept up-to-date to guard against new viruses. For more information about how to use your antivirus software, refer to the help system of your antivirus software. Computrace Agent software embedded in firmware (for selected models) The Computrace Agent software is an IT asset management and computer theft recovery solution.
  • Page 31: Intel Bios Guard

    If the cover presence switch is enabled and the computer cover is not correctly installed or closed, an error message will be displayed when you turn on the computer. To bypass the error message and log in to the operating system: 1.
  • Page 32 M90a Pro Gen4 User Guide...
  • Page 33: Chapter 5. Uefi Bios

    UEFI BIOS supports three or four display languages: English, French, simplified Chinese, and Russian (for selected models). To change the display language of UEFI BIOS: 1. Select Main ➙ Language and press Enter. 2. Set the display language as desired. © Copyright Lenovo 2023...
  • Page 34: Change The Display Mode Of Uefi Bios (For Selected Models)

    Change the display mode of UEFI BIOS (for selected models) You can use UEFI BIOS in the graphic mode or the text mode according to your needs. The keys on the keyboard used to perform various tasks are displayed at the bottom of the screen. In addition to the keyboard, you also can use the mouse to make selections.
  • Page 35: Enable Or Disable The Configuration Change Detection Feature

    3. Enable or disable the feature as desired. 4. Press F10 or Fn+F10 to save the changes and exit. Enable or disable the ErP LPS compliance mode Lenovo computers meet the eco-design requirements of the ErP Lot 3 regulation. For more information, go https://www.lenovo.com/us/en/compliance/eco-declaration Chapter 5...
  • Page 36: Change The Its Performance Mode

    BIOS settings vary by operating system. Change the BIOS settings before installing a new operating system. 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/windows-support M90a Pro Gen4 User Guide...
  • Page 37: Update Uefi Bios

    Open the Vantage app to check the available update packages. 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: 1. Go to https://pcsupport.lenovo.com 2.
  • Page 38: Clear Cmos

    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 Clear CMOS jumper. 3. Move the jumper from the standard position to the maintenance position. 4.
  • Page 39: Chapter 6. Diagnostics

    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 40 M90a Pro Gen4 User Guide...
  • Page 41: Chapter 7. Cru Replacement

    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.
  • Page 42: Remove Or Replace A Cru

    • System board shield * for selected models Remove or replace a CRU This section provides instructions on how to remove or replace a CRU. Computer stand Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, do the following: 1.
  • Page 43 • UltraFlex V Stand Chapter 7 CRU replacement...
  • Page 44 M90a Pro Gen4 User Guide...
  • Page 45: Rear I/O Cover

    Rear I/O cover Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. Before you open the rear cover, turn off the computer and wait several minutes until the computer is cool. For access, do the following: Chapter 7 CRU replacement...
  • Page 46: System Board Shield

    1. Turn off the computer and remove all connected devices and cables. 2. Unlock any locking device that secures the computer cover. 3. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the computer cover is facing up.
  • Page 47: Hard Disk Drive

    For access, remove the following parts in order, if any: • “Computer stand” on page 36. • “Rear I/O cover” on page 39. Removal procedure Hard disk drive Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. Attention: The internal storage drive is sensitive.
  • Page 48: Optical Drive

    Removal procedure Optical drive Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, remove the following parts in order, if any: • “Computer stand” on page 36. • “Rear I/O cover” on page 39. •...
  • Page 49 Chapter 7 CRU replacement...
  • Page 50: M.2 Solid-State Drive

    M.2 solid-state drive Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. Attention: The internal storage drive is sensitive. Inappropriate handling might cause damage and permanent loss of data. When handling the internal storage drive, observe the following guidelines: •...
  • Page 51: Memory Module

    Memory module Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. Ensure that you follow the installation order for memory modules shown in the following illustration. For access, remove the following parts in order, if any: •...
  • Page 52 Removal procedure M90a Pro Gen4 User Guide...
  • Page 53: Chapter 8. Help And Support

    How to access? • https://www.lenovo.com/tips Troubleshooting and frequently asked questions • https://forums.lenovo.com Accessibility information https://www.lenovo.com/accessibility • Use Lenovo recovery options. 1. Go to https://support.lenovo.com/ HowToCreateLenovoRecovery 2. Follow the on-screen instructions. • Use Windows recovery options. Reset or restore Windows 1. Go to https://pcsupport.lenovo.com...
  • Page 54: Call Lenovo

    • Microsoft support Web site: https://support.microsoft.com 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 following before you contact Lenovo: 1.
  • Page 55: Lenovo Customer Support Center

    • Lenovo hardware repair - If the problem is determined to be caused by Lenovo hardware under warranty, trained service personnel are available to provide the applicable level of service.
  • Page 56 Purchase 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 name might vary by country or region. M90a Pro Gen4 User Guide...
  • Page 57 Certification-related information Product name Machine types ThinkCentre M90a Pro Gen4 12JM, 12JN, 12JQ, 12JR, and 12JS Further compliance information related to your product is available at https://www.lenovo.com/compliance Operating environment Maximum altitude (without pressurization) • Operating: From 0 m (0 ft) to 3048 m (10 000 ft) •...
  • Page 58 M90a Pro Gen4 User Guide...
  • Page 59 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 60 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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