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Lenovo ThinkCentre M90a Gen 5 User Manual
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Lenovo ThinkCentre M90a Gen 5 User Manual

Lenovo ThinkCentre M90a Gen 5 User Manual

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M90a Gen 5
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Summary of Contents for Lenovo ThinkCentre M90a Gen 5

  • Page 1 M90a Gen 5 User Guide...
  • Page 2 • Setup Guide 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

    ... . . Call Lenovo ....Security ....

  • Page 4: About This Documentation

    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 M90a Gen 5 12SH, 12SK, 12SL, 12SM, 12SN •...

  • Page 5: Chapter 1. Meet Your Computer

    This computer is equipped with an extensive selection of ports, providing convenient connectivity options for multiple devices. Front 1. Microphones* 2. Radar card* 3. Integrated camera or Infrared (IR) camera* 4. Integrated camera or Infrared (IR) camera shield* 5. IR camera activity indicator* 6. Multi-touch screen* © Copyright Lenovo 2024...
  • Page 6 7. Microphone mute/unmute indicator* 8. System status indicator 9. Microphone mute/unmute control 10. Monitor/computer mode switch 11. USB 3.2 connectors Gen 2 12. Headset connector 13. SD-card slot* 14. Power button 15. Optical drive activity indicator* 16. Optical drive eject button* * for selected models Statement on USB transfer rate Depending on many factors such as the processing capability of the host and peripheral devices, file...

  • Page 7: Rear

    Rear ™ 2. DisplayPort out connector 1. Serial connector* ™ 3. HDMI in 1.4/out 2.1 TMDS combo connector 4. Ethernet connector 6. USB 3.2 connector Gen 1 (with smart power-on ® 5. USB-C (3.2 Gen 2) connector feature) 8. Security-lock slot 7.
  • Page 8 Related topics • “Lock the computer” on page 18. • “Connect an external display” on page 14. • “USB specifications” on page 6. M90a Gen 5 User Guide...

  • Page 9: Specifications

    Specifications Specification Description • Width: 539.6 mm(21.2 inches) Dimensions • Height: 352 mm (13.9 inches) • Depth: 49.6 mm (2.0 inches) Weight (without packaging) Maximum configuration as shipped: 8.1 kg (17.9 lb) Type Device Manager in the Windows search box and then press Enter. Type the Hardware configuration administrator password or provide confirmation, if prompted.

  • Page 10: Usb Specifications

    Specification Description • Card reader* • Memory slots Expansion • M.2 solid-state drive slot • Optical drive* • Storage drive bay • Bluetooth* Network features • Ethernet LAN • Wireless LAN* * for selected models Operating environment Maximum altitude (without pressurization) •...

  • Page 11: The Vantage App

    • 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 • Access User Guide and helpful articles. M90a Gen 5 User Guide...

  • Page 13: Chapter 2. Get Started With Your Computer

    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. © Copyright Lenovo 2024...

  • Page 14: Adjust The Computer Stand (For Selected Models)

    Adjust the computer stand (for selected models) For full-function monitor stand For tilt-only stand M90a Gen 5 User Guide...

  • Page 15: Rotate The Monitor (For Selected Models)

    For UltraFlex V Stand 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 16: Adjust The Tiltable Camera (For Selected Models)

    Adjust the tiltable camera (for selected models) You can adjust the camera angle by tilting the camera forward or backward for better usage experience. 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.
  • Page 17 Illustrations and description Illustrations and description Tap and hold to right-click Slide to scroll through items Zoom in Zoom out 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...

  • Page 18: Connect An External Display

    • Do not use fingernails, gloved fingers, or inanimate objects for input on the screen. • Regularly calibrate the accuracy of the finger input to avoid a discrepancy. Connect an external display Connect a projector or a monitor to your computer to give presentations or expand your workspace. Connect a wireless display ®...

  • Page 19: 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. Chapter 2 Get started with your computer...

  • Page 20: Connect To A Bluetooth Device

    Connect to a Bluetooth device 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.

  • Page 21: Smart Power-On Feature (For Selected Models)

    • 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. Note: The term “best” only refers to the best effect among different settings of the product itself. •...

  • Page 22: Lock The Computer

    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 23 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.
  • Page 24 M90a Gen 5 User Guide...

  • Page 25: Chapter 3. Uefi Bios

    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.

  • Page 26: Update The Uefi Bios

    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.

  • Page 27: Chapter 4. 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 28: Computer Stand

    Computer stand Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, do the following: 1. Turn off the computer and remove all connected devices and cables. 2. Disconnect the computer from ac power and all connected cables. 3.
  • Page 29 • Tilt-only stand Chapter 4 CRU replacement...
  • Page 30 M90a Gen 5 User Guide...
  • Page 31 • UltraFlex V Stand Chapter 4 CRU replacement...
  • Page 32 M90a Gen 5 User Guide...

  • Page 33: 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: 1.

  • Page 34: System Board Shield

    System board shield 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 24. • “Rear I/O cover” on page 29. Removal procedure M90a Gen 5 User Guide...

  • Page 35: Primary Hard Disk Drive

    Primary 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. Inappropriate handling might cause damage and permanent loss of data. When handling the internal storage drive, observe the following guidelines: •...
  • Page 36 • “Computer stand” on page 24. • “Rear I/O cover” on page 29. • “System board shield” on page 30. • “Primary hard disk drive” on page 31. Removal steps Note: Some computer models might not be shipped with an optical drive. In this case, remove the dummy optical drive bezel first if you want to install a new optical drive.

  • Page 37: Secondary Hard Disk Drive And Bracket

    Secondary hard disk drive and bracket 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 38: 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 39: Memory Module

    • 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 following parts in order: • “Computer stand” on page 24. •...
  • Page 40 • “Computer stand” on page 24. • “Rear I/O cover” on page 29. • “System board shield” on page 30. Removal procedure M90a Gen 5 User Guide...

  • Page 41: Chapter 5. Help And Support

    • 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.

  • Page 42: Hardware Scan

    This topic provides the instructions of recovering a Windows operating system. Use the following recovery options to reset or restore your computer when your computer comes with issues. It is recommended that you select Lenovo recovery options to reset your operating system to original factory conditions.

  • Page 43: Call Lenovo

    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.
  • Page 44 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. M90a Gen 5 User Guide...

  • Page 45: Appendix A. Notices And Trademarks

    Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
  • Page 46 Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary. Users of this document should verify the applicable data for their specific environment. This document is copyrighted by Lenovo and is not covered by any open source license, including any ® Linux agreement(s) which may accompany software included with this product.

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