Lenovo 12JM User manual

M90a Pro Gen4
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 (September 2023)
© Copyright Lenovo 2023.
IMITED 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-
35F-05925.

Contents
iscover your Lenovo computer . . . . iii
Chapter 1. Meet your computer . . . . . 1
Front and side . . . . . . . . . . . . . . . . 1
Rear . . . . . . . . . . . . . . . . . . . . 3
Features and specifications . . . . . . . . . . . 4
USB specifications . . . . . . . . . . . . . . 5
Chapter 2. Get started with your
computer . . . . . . . . . . . . . . . . . 7
Adjust the computer stand (for selected models) . . . 7
Rotate the monitor (for selected models) . . . . . . 8
Adjust the tiltable camera (for selected models) . . . 8
Access networks . . . . . . . . . . . . . . . 8
Connect to the wired Ethernet . . . . . . . . 8
Connect to Wi-Fi networks (for selected
models) . . . . . . . . . . . . . . . . . 8
Use the touch screen (for selected models) . . . . . 9
Connect an external display . . . . . . . . . . 10
Use the Conference Call Base (for selected
models) . . . . . . . . . . . . . . . . . . 11
Chapter 3. Explore your computer . . 15
Thunderbolt 3 connector (for selected models). . . 15
Privacy (for selected models) . . . . . . . . . 16
The Vantage app . . . . . . . . . . . . . . 16
Night light (Software solution) . . . . . . . . . 17
Set the power plan . . . . . . . . . . . . . 17
Transfer data . . . . . . . . . . . . . . . . 17
Connect to a Bluetooth-enabled device (for
selected models) . . . . . . . . . . . . 17
Use the optical drive (for selected models) . . 18
Use a media card (for selected models) . . . . 19
Purchase accessories . . . . . . . . . . . . 19
Chapter 4. Secure your computer
and information . . . . . . . . . . . . 21
ock the computer . . . . . . . . . . . . . 21
og in to your computer securely . . . . . . . . 21
UEFI BIOS passwords . . . . . . . . . . 21
Certificate-based BIOS management . . . . 22
Face authentication (for selected models) . . . 23
Use software security solutions. . . . . . . . . 23
Windows firewalls . . . . . . . . . . . . 23
Antivirus programs . . . . . . . . . . . . 23
Computrace Agent software embedded in
firmware (for selected models) . . . . . . . 24
Use BIOS security solutions . . . . . . . . . . 24
Wipe the storage drive data . . . . . . . . 24
Cover presence switch . . . . . . . . . . 24
Intel BIOS guard. . . . . . . . . . . . . 25
Smart USB Protection . . . . . . . . . . 25
Chapter 5. UEFI BIOS . . . . . . . . . 27
What is UEFI BIOS. . . . . . . . . . . . . . 27
Enter the BIOS menu. . . . . . . . . . . . . 27
Navigate in the BIOS interface . . . . . . . . . 27
Change the display language of UEFI BIOS . . . . 27
Change the display mode of UEFI BIOS (for
selected models) . . . . . . . . . . . . . . 28
Set the system date and time . . . . . . . . . 28
Change the boot priority order . . . . . . . . . 28
Enable or disable the configuration change
detection feature . . . . . . . . . . . . . . 29
Enable or disable the automatic power-on
feature . . . . . . . . . . . . . . . . . . 29
Enable or disable the smart power-on feature (for
selected models) . . . . . . . . . . . . . . 29
Enable or disable the ErP PS compliance mode . . 29
Change the ITS performance mode . . . . . . . 30
Change BIOS settings before installing a new
operating system . . . . . . . . . . . . . . 30
Update UEFI BIOS. . . . . . . . . . . . . . 31
Recover from a BIOS update failure . . . . . . . 31
Clear CMOS . . . . . . . . . . . . . . . . 32
Chapter 6. iagnostics . . . . . . . . 33
enovo diagnostic tools . . . . . . . . . . . 33
Use the Vantage app . . . . . . . . . . . . . 33
Chapter 7. CRU replacement . . . . . 35
CRU list . . . . . . . . . . . . . . . . . . 35
Remove or replace a CRU . . . . . . . . . . . 36
Computer stand . . . . . . . . . . . . . 36
Rear I/O cover . . . . . . . . . . . . . 39
System board shield . . . . . . . . . . . 40
Hard disk drive . . . . . . . . . . . . . 41
Optical drive . . . . . . . . . . . . . . 42
M.2 solid-state drive . . . . . . . . . . . 44
Memory module . . . . . . . . . . . . . 45
Chapter 8. Help and support . . . . . 47
Self-help resources . . . . . . . . . . . . . 47
Call enovo . . . . . . . . . . . . . . . . 48
Before you contact enovo . . . . . . . . 48
enovo Customer Support Center . . . . . . 49
© Copyright enovo 2023 i

Purchase additional services. . . . . . . . . . 50
Appendix A. Compliance
information . . . . . . . . . . . . . . . 51
Appendix B. Notices and
trademarks . . . . . . . . . . . . . . . 53
ii M90a Pro Gen4 User Guide

iscover 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.
• Depending on the model, some optional accessories, features, software programs, and user interface
instructions might not be applicable to your computer.
• Documentation content is subject to change without notice. To get the latest documentation, go to https://
pcsupport.lenovo.com.
© Copyright enovo 2023 iii

iv M90a Pro Gen4 User Guide

Chapter 1. Meet your computer
Front and side
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. Screen
7. System status indicator 8. Microphone mute/unmute indicator
9. Microphone mute/unmute control 10. Thunderbolt™ 4 connector
© Copyright enovo 2023 1

11. USB 3.2 connectors Gen 2 12. Thunderbolt 3 connector*
13. Headset connector 14. SD-card slot*
15. Power button 16. Optical drive activity indicator*
17. Optical drive eject button*
* for selected models
System status 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.
Thunderbolt 3 connector
For the use of this connector, see “Thunderbolt 3 connector (for selected models)” on page 15.
Related topics
• “Use the optical drive (for selected models)” on page 18.
• “Use a media card (for selected models)” on page 19.
• “ enovo diagnostic tools” on page 8.
• “USB specifications” on page 5.
2M90a Pro Gen4 User Guide

Rear
1. DisplayPort™ out connector 2. HDMI™ in 1.4/out 2.1 TMDS combo connector
3. Ethernet connector 4. USB-C® (3.2 Gen 2) connector
5. USB 3.2 connectors Gen 1 6. USB 3.2 connector Gen 1 (with smart power-on
feature)
7. OSD joystick 8. Security-lock slot
9. Power cord connector 10. VESA® threaded holes (screws: M4 x 8 mm, 4 pcs)
* for selected models
Related topics
• “Connect an external display” on page 10.
• “USB specifications” on page 5.
• “Enable or disable the smart power-on feature (for selected models)” on page 29.
Chapter 1.Meet your computer 3

Features and specifications
For detailed specifications of your computer, go to https://psref.lenovo.com.
imensions (without any
computer stand)
• Width: 613.6 mm(24.2 inches)
• Height: 384.3 mm (15.1 inches)
• Depth: 54.5 mm (2.1 inches)
Weight (without packaging) Maximum configuration as shipped: 11.2 kg (24.7 lb)
啊，
Hardware configuration Type Device Manager in the Windows search box and then press Enter. Type the
administrator password or provide confirmation, if prompted.
Power supply 230-watt automatic voltage-sensing power supply
Electrical input • Input voltage: From 100 V ac to 240 V ac
• Input frequency: 50/60 Hz
Microprocessor Type System in the Windows search box and then press Enter. View the system
information as you need.
Memory
Double data rate 5 (DDR5) small outline dual in-line memory module (SODIMM)
Maximum memory capacity: 64 GB
Storage device
• 2.5-inch hard disk drive
• 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.
Video features
• Color display with White ight Emitting Diode (W ED) technology
• Color display with Quarter High Definition (QHD) technology
• Display size: 686.8 mm (27 inches)
• Display resolution: 2560 x 1440 pixels
• Multi-touch technology*
• The integrated graphics card supports the following:
– DisplayPort out connector
– HDMI in and out connector
• The optional discrete graphics card provides an enhanced video experience
and extended capabilities.
4M90a Pro Gen4 User Guide

Expansion
• Card reader*
• Memory slots
• M.2 solid-state drive slot
• Optical drive*
• Storage drive bay*
Network features
• Bluetooth*
• Ethernet AN
• Wireless AN*
* for selected models
USB specifications
Note: Depending on the model, some USB connectors might not be available on your computer.
Connector name escription
• USB 2.0 connector
• USB 3.2 connector Gen 1
• USB 3.2 connector Gen 2
Connect USB-compatible devices, such as a USB
keyboard, USB mouse, USB storage device, or USB
printer.
• USB-C (3.2 Gen 1) connector
• USB-C (3.2 Gen 2) connector
• USB-C (Thunderbolt 3) connector
• USB-C (Thunderbolt 4) connector
• 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.
Chapter 1.Meet your computer 5

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.
USB device ata rate (Gbit/s)
3.2 Gen 1 5
3.2 Gen 2 10
3.2 Gen 2 × 2 20
Thunderbolt 3 40
Thunderbolt 4 40
6M90a Pro Gen4 User Guide

Chapter 2. Get started with your computer
Adjust the computer stand (for selected models)
For full-function monitor stand
For UltraFlex V Stand
© Copyright enovo 2023 7

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).
Rotate the monitor
Rotate the computer monitor clockwise from horizontal to vertical. You also can rotate the monitor
counterclockwise from vertical to horizontal when needed.
Adjust the tiltable camera (for selected models)
You can adjust the camera angle by tilting the camera forward or backward for better usage experience.
Access networks
This section helps you access networks through connecting to a wired or wireless network.
Connect to the wired Ethernet
Connect your computer to a local network through the Ethernet connector on your computer with an
Ethernet cable.
Connect to Wi-Fi networks (for selected models)
Click the network icon in the Windows® notification area, and then select a network for connection. Provide
required information, if needed.
8M90a Pro Gen4 User Guide

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 Tap twice quickly to double-click
Tap and hold to right-click Slide to scroll through items
Zoom in Zoom out
Chapter 2.Get started with your computer 9

Illustrations and description Illustrations and description
Swipe from the left: view all open windows (Windows 10)
Swipe from the left: open widget panel (Windows 11)
Swipe from the right: open action center (Windows 10)
Swipe from the right: open notification center (Windows
11)
Swipe downwards shortly: show title bar
Swipe downwards: close the current app
Drag
Maintenance tips
• Turn off the computer before cleaning the touch screen.
• Use a dry, soft, and lint-free cloth or a piece of absorbent cotton to remove fingerprints or dust from the
touch screen. Do not apply solvents to the cloth.
• The touch screen is a glass panel covered with a plastic film. Do not apply pressure or place any metallic
object on the screen, which might damage the touch panel or cause it to malfunction.
• 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
Ensure that both your computer and the wireless display support Miracast®.
Press Windows logo key + K and then select a wireless display to connect.
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.
10 M90a Pro Gen4 User Guide

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
– Excellent noise suppression for conference scenario
– Far field voice pick-up capability, up to 4.5 m distance
– Adaptive beamforming control for personal and shared mode
• Speaker
– High-performance speaker, specially tuned by Harman
– Intelligent speaker equalizer adjustment for voice mode and music mode
– Crystal-clear and clean audio, especially fine-tuned for human voice
Use scenario
The Conference Call Base can be used in various scenarios for daily on-line meeting. It is convenient for
participants around it.
• An independent office of the boss
• Work / learn from home
Connect the Conference Call Base
Personal mode: Connect one end of the USB-C to USB-C cable to either USB-C connector of the
Conference Call Base (both connectors are for power and signal). Then, connect the other end to the USB-C
(3.2 Gen 2) connector on rear of your computer.
Note: To achieve better audio performance when you have a conference call, ensure that you sit within the
dotted line scope as illustrated below.
Chapter 2.Get started with your computer 11

12 M90a Pro Gen4 User Guide

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.
The following table shows the power consumption of the conference call base switched to different modes
after a minute.
Table 1. The power consumption in different modes
Mode Standby mode Teams in networked
standby mode is ON
Teams in networked
standby mode is OFF
Power consumption data
(Watt)
0.3 2.9 2.7
The maximum power consumption of the conference call base in networked standby mode is 2.9 watts, if all
wired network ports are connected and all wireless network ports are accessed.
Overview
No. escription
1 Teams button
2Answer / hang up call button
3 Volume decrease button
4 Volume increase button
5Microphone mute / unmute button
6 ED ring
7Teams ED
Chapter 2.Get started with your computer 13

No. escription
8USB-C connector (for power and signal)
9USB-C connector (for power and signal)
Buttons functions and LE 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.
Answer / hang up call button • Short press during call activity: Answer / hang up incoming
calls on Microsoft Teams.
• Long press: Decline incoming calls on Microsoft Teams.
Note: Above behaviors are defined by Microsoft Teams and might
change.
Volume decrease button Decrease volume
Volume increase button Increase volume
Microphone mute / unmute button Mute / unmute the microphone of the Conference Call Base
LE ring
LE status escription
Off The device is in one of the following status:
• The Conference Call Base is powered off.
• The computer is in sleep mode / hibernation mode / powered off.
• Failed to connect to the computer (Try another USB-C connector
on your computer).
Solid white The Conference Call Base is powered on and ready for use.
Blinking white The Conference Call Base is establishing connection with the
computer.
Solid green The Conference Call Base is in a Teams meeting (The microphone is
not muted).
Blinking green You have an incoming call on Microsoft Teams.
Solid red The microphone of the Conference Call Base is muted.
Teams LE
LE status escription
Off Microsoft Teams is not launched.
Solid white Microsoft Teams is running.
Pulses Show Microsoft Teams notification status.
14 M90a Pro Gen4 User Guide