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.
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• “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 Gen 3 and M90a Pro Gen3 User Guide...
Features and specifications For detailed specifications of your computer, go to https://psref.lenovo.com • Width: 539.6 mm(21.2 inches) Dimensions (without any • Height: 352 mm (13.9 inches) computer stand) • Depth: 49.3 mm (1.9 inches) Weight (without packaging) Maximum configuration as shipped: 8.5 kg (18.7 lb) Type Device Manager in the Windows search box and then press Enter.
• 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 •...
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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.
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).
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) ®...
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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...
• 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 ®...
• Your computer uses a human presence sensor to detect your presence and the IR camera to recognize your face. Lenovo does not collect any personal data. • For some countries or regions, the human presence sensor is disabled according to local regulations.
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Chapter 2 Get started with your computer...
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Overview Description Teams button Answer / hang up call button Volume decrease button Volume increase button Microphone mute / unmute button LED ring Teams LED 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...
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Buttons Behaviors and functions Volume increase button Increase volume Microphone mute / unmute button Mute / unmute the microphone of the Conference Call Base LED ring LED status Description The device is in one of the following status: • The Conference Call Base is powered off. •...
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M90a Gen 3 and M90a Pro Gen3 User Guide...
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.
Transfer data Quickly share your files using the built-in Bluetooth technology among devices with the same features. You also can install a disc or media card to transfer data. Connect to a Bluetooth-enabled 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.
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.
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M90a Gen 3 and M90a Pro Gen3 User Guide...
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. Kensington-style cable lock Lock your computer to a desk, table, or other fixtures through a Kensington-style cable lock.
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.
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.
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.
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.
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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.
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...
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 Gen 3 and M90a Pro Gen3 User Guide...
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.
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/Recovery jumper. 3. Move the jumper from the standard position to the maintenance position. 4.
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.
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M90a Gen 3 and M90a Pro Gen3 User Guide...
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.
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2. Disconnect the computer from ac power and all connected cables. 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. Replacement procedure Depending on your computer stand, refer to one of the following to replace the computer stand.
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• UltraFlex V Stand Chapter 7 CRU replacement...
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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...
• 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.
• 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.
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 Gen 3 and M90a Pro Gen3 User Guide...
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.
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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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