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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ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
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Show the system status of your computer. • On: The computer is starting up or working. • Off: The computer is off or in hibernation mode. • Blinking: The computer is in sleep mode. ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
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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.
– HDMI out connector Video features – VGA out connector* – USB-C (3.2 Gen1) connector* (on the rear panel) • The optional discrete graphics card provides an enhanced video experience and extended capabilities. ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
• 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. ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
2. Select the display that you want to configure and change display settings of your preference. 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.
3. Press F10 or Fn+F10 to save the changes and exit. Your computer will restart automatically and then changes take effect. Access networks This section helps you access networks through connecting to a wired or wireless network. ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
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.
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• Open Windows Media Player. • Double-click the ISO file. 3. Follow the on-screen instructions. Use a media card (for selected models) If your computer has a SD-card slot, read the following information. ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
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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ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
• 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.
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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. ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
4. Press F10 or Fn+F10 to save the changes and exit. UEFI BIOS passwords You can set passwords in UEFI (Unified Extensible Firmware Interface) BIOS (Basic Input/Output System) to strengthen the security of your computer. Password types You can set a power-on password, supervisor password, system management password, or hard disk password in UEFI BIOS to prevent unauthorized access to your computer.
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.
Enter the BIOS menu Restart the computer. When the logo screen is displayed, press F1 or Fn+F1 to enter the BIOS menu. Note: If you have set BIOS passwords, enter the correct passwords when prompted. You also can select No or press Esc to skip the password prompt and enter the BIOS menu.
If you enable configuration change detection, when the POST detects configuration changes of some hardware devices (such as storage drives or memory modules), an error message will be displayed when you turn on the computer. ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
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 You can enable the ErP LPS compliance mode to reduce the consumption of electricity when the computer is off or in sleep mode.
• To install a Windows operating system that supports secure boot, select Enabled for Secure Boot. • To install an operating system that does not support secure boot, such as some Linux operating systems, select Disabled for Secure Boot. ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 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.
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ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 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.
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. ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
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.
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Replacement procedure ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
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 cover” on page 26 • “Optical drive” on page 27 ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
Replacement procedure Drive bay assembly Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, remove these parts in order: • “Computer cover” on page 26 • “Optical drive” on page 27 • “Front bezel” on page 30 Chapter 4 CRU replacement...
• 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. ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
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• 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. 3.5-inch hard disk drive For access, do the following: 1. Remove these parts in order: •...
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: ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
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• 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. •...
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– Type 2 – Type 3 ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
Note: Remove the film that covers the thermal pad (if any) when installing the M.2 solid-state drive. M.2 solid-state drive bracket Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, remove these parts in order: •...
For access, remove these parts in order: • “Computer cover” on page 26 • “Optical drive” on page 27 • “Front bezel” on page 30 • “Drive bay assembly” on page 31 Replacement procedure ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
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. PCI-Express connector cable Prerequisite Before you start, read Generic Safety and Compliance Notices, and print the following instructions. For access, do the following: 1.
2. Disconnect the PCI-Express cables from the system board if any. Replacement procedure Note: Do not attempt to install any PCI-Express cards other than graphics card to the PCI-Express slot next to the microprocessor. ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
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• m70s Gen 4 • m90s Gen 4 Chapter 4 CRU replacement...
Before you start, read Generic Safety and Compliance Notices, and print the following instructions. Although there are no moving parts in the computer after the power cord has been disconnected, the following warnings are required for your safety. ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
Keep fingers and other parts of your body away from hazardous, moving parts. If you suffer an injury, seek medical care immediately. Never remove the cover on a power supply or any part that has the following label attached. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components.
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Removal steps ThinkCentre M70s Gen 4 ThinkCentre M90s Gen 4 User Guide...
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.
During the warranty period, you can call Lenovo Customer Support Center for help. Telephone numbers For a list of the Lenovo Support phone numbers for your country or region, go to: https://pcsupport.lenovo.com/supportphonelist Note: Phone numbers are subject to change without notice. If the number for your country or region is not provided, contact your Lenovo reseller or Lenovo marketing representative.
Safety and Compliance Notices at https://pcsupport.lenovo.com/docs/generic_notices 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. To shop at Lenovo, go to https://www.lenovo.com/accessories...
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.