Lenovo ThinkCentre M70s Gen 2 User manual

M70s Gen 2 and M90s Gen 2
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 (April 2021)
© Copyright Lenovo 2021.
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
Dis over your Lenovo omputer . . . . iii
Chapter 1. Meet your omputer . . . . . 1
Front . . . . . . . . . . . . . . . . . . . . 1
Rear . . . . . . . . . . . . . . . . . . . . 3
Features and specifications . . . . . . . . . . . 5
USB specifications . . . . . . . . . . . . . . 6
Chapter 2. Get started with your
omputer . . . . . . . . . . . . . . . . . 9
Access networks . . . . . . . . . . . . . . . 9
Connect to the wired Ethernet . . . . . . . . 9
Connect to Wi-Fi networks (for selected
models) . . . . . . . . . . . . . . . . . 9
Connect an external display . . . . . . . . . . . 9
Manage cables with a smart cable clip . . . . . . . 9
Chapter 3. Explore your omputer . . 11
The Vantage app . . . . . . . . . . . . . . 11
Set the power plan . . . . . . . . . . . . . 11
Transfer data . . . . . . . . . . . . . . . . 11
Connect to a Bluetooth-enabled device (for
selected models) . . . . . . . . . . . . 11
Use the optical drive (for selected models) . . 12
Use a media card (for selected models) . . . . 13
Purchase accessories . . . . . . . . . . . . 13
Chapter 4. Se ure your omputer
and information . . . . . . . . . . . . 15
ock the computer . . . . . . . . . . . . . 15
UEFI BIOS passwords . . . . . . . . . . . . 16
Use software security solutions. . . . . . . . . 17
Windows firewalls . . . . . . . . . . . . 17
Computrace Agent software embedded in
firmware (for selected models) . . . . . . . 17
Use BIOS security solutions . . . . . . . . . . 18
Wipe the storage drive data . . . . . . . . 18
Cover presence switch . . . . . . . . . . 18
Intel BIOS guard . . . . . . . . . . . . . 18
Smart USB Protection . . . . . . . . . . 19
Chapter 5. UEFI BIOS . . . . . . . . . 21
What is UEFI BIOS. . . . . . . . . . . . . . 21
Enter the BIOS menu. . . . . . . . . . . . . 21
Navigate in the BIOS interface . . . . . . . . . 21
Change the display language of UEFI BIOS . . . . 21
Change the display mode of UEFI BIOS (for M90s
Gen 2) . . . . . . . . . . . . . . . . . . 22
Set the system date and time . . . . . . . . . 22
Change the boot priority order . . . . . . . . . 22
Enable or disable the configuration change
detection feature . . . . . . . . . . . . . . 23
Enable or disable the automatic power-on
feature . . . . . . . . . . . . . . . . . . 23
Enable or disable the smart power-on feature (for
selected models) . . . . . . . . . . . . . . 23
Enable or disable the ErP PS compliance mode . . 23
Change the ITS performance mode . . . . . . . 24
Change BIOS settings before installing a new
operating system . . . . . . . . . . . . . . 24
Update UEFI BIOS. . . . . . . . . . . . . . 25
Recover from a BIOS update failure . . . . . . . 25
Clear CMOS . . . . . . . . . . . . . . . . 26
Chapter 6. Troubleshooting,
diagnosti s, and re overy . . . . . . . 27
Basic procedure for resolving computer
problems . . . . . . . . . . . . . . . . . 27
Troubleshooting . . . . . . . . . . . . . . 27
Startup problems . . . . . . . . . . . . 28
Audio problems . . . . . . . . . . . . . 29
Network problems . . . . . . . . . . . . 29
Performance problems . . . . . . . . . . 32
Storage drive problems . . . . . . . . . . 33
CD or DVD problems . . . . . . . . . . . 33
Serial connector problems . . . . . . . . . 34
USB device problems . . . . . . . . . . 34
Software problems. . . . . . . . . . . . 35
enovo diagnostic tools . . . . . . . . . . . 35
Recovery . . . . . . . . . . . . . . . . . 35
Restore system files and settings to an earlier
point . . . . . . . . . . . . . . . . . 35
Restore your files from a backup . . . . . . 35
Reset your computer . . . . . . . . . . . 35
Use advanced options . . . . . . . . . . 36
Windows automatic recovery. . . . . . . . 36
Create and use a recovery USB device . . . . 36
Update the device driver . . . . . . . . . 36
Chapter 7. CRU repla ement . . . . . 39
CRU list . . . . . . . . . . . . . . . . . . 39
Remove or replace a CRU . . . . . . . . . . . 40
Vertical stand . . . . . . . . . . . . . . 40
Computer cover . . . . . . . . . . . . . 40
Front bezel . . . . . . . . . . . . . . . 41
Optical drive . . . . . . . . . . . . . . 42
© Copyright enovo 2021 i

Drive bay assembly . . . . . . . . . . . 43
Hard disk drive . . . . . . . . . . . . . 44
M.2 solid-state drive and heat sink . . . . . 47
M.2 solid-state drive bracket . . . . . . . . 51
Memory module . . . . . . . . . . . . . 52
PCI-Express connector cable . . . . . . . 53
PCI-Express card . . . . . . . . . . . . 53
Coin-cell battery. . . . . . . . . . . . . 55
Power supply assembly . . . . . . . . . . 55
E-lock . . . . . . . . . . . . . . . . . 56
Chapter 8. Help and support . . . . . 59
Self-help resources . . . . . . . . . . . . . 59
Call enovo . . . . . . . . . . . . . . . . 60
Before you contact enovo . . . . . . . . 60
enovo Customer Support Center . . . . . . 60
Purchase additional services. . . . . . . . . . 61
Appendix A. A essibility and
ergonomi information . . . . . . . . 63
Appendix B. Complian e
information . . . . . . . . . . . . . . . 67
Appendix C. Noti es and
trademarks . . . . . . . . . . . . . . . 69
ii M70s Gen 2 and M90s Gen 2 User Guide

Dis over your Lenovo omputer
Thank you for hoosing a Lenovo® omputer! We are dedi ated 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 2021 iii

iv M70s Gen 2 and M90s Gen 2 User Guide

Chapter 1. Meet your omputer
Front
M70s Gen 2
1. Optical drive eject button* 2. Optical drive activity indicator*
3. SD-card slot* 4. Power button and power indicator
5. Storage drive activity indicator 6. ThinkCentre® ED
7. Microphone connector 8. Headset connector
9. USB-C® (3.2 Gen 1) connector 10. USB 3.2 connectors Gen 1
11. USB 3.2 connectors Gen 2 12. Internal speaker*
* for selected models
© Copyright enovo 2021 1

M90s Gen 2
1. Optical drive eject button* 2. Optical drive activity indicator*
3. SD-card slot* 4. Power button and power indicator
5. Storage drive activity indicator 6. ThinkCentre ED
7. Microphone connector 8. Headset connector
9. USB-C (3.2 Gen 2) connector 10. USB 3.2 connectors Gen 1
11. USB 3.2 connectors Gen 2 12. Internal speaker*
* for selected models
Power indi ator
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.
Related topi s
• “Use the optical drive (for selected models)” on page 12.
• “Use a media card (for selected models)” on page 13.
• “USB specifications” on page 6.
2M70s Gen 2 and M90s Gen 2 User Guide

Rear
M70s Gen 2
1. Audio line-out connector 2. HDMI™ out connector
3. DisplayPort™ out connectors 4. USB 2.0 connector
5. USB 2.0 connector (with smart power on) 6. Security-lock slot
7. PS/2 mouse connector* 8. PS/2 keyboard connector*
9. Serial connector 10. Ethernet connector
11. Padlock loop 12. E-lock slots
13. PCI-Express card area 14. Power cord connector
* for selected models
Chapter 1.Meet your computer 3

M90s Gen 2
1. Audio line-out connector 2. DisplayPort out connectors
3. Optional connector* 4. USB 3.2 connectors Gen 1
5. USB 3.2 connectors Gen 1 (with smart power on) 6. Security-lock slot
7. Serial connector 8. PS/2 mouse connector*
9. PS/2 keyboard connector* 10. Ethernet connector
11. Padlock loop 12. E-lock slots
13. PCI-Express card area 14. Power cord connector
* for selected models
Serial onne tor
Connect an external modem, a serial printer, or other devices that use a serial connector.
Optional onne tor
Depending on the computer model, the connector might be a DisplayPort out connector, a USB-C
connector, or an HDMI™ out connector.
Related topi s
• “ ock the computer” on page 15.
• “Connect an external display” on page 9.
• “USB specifications” on page 6.
• “Manage cables with a smart cable clip” on page 9.
4M70s Gen 2 and M90s Gen 2 User Guide

• “Enable or disable the smart power-on feature (for selected models)” on page 23.
Features and spe ifi ations
For detailed specifications of your computer, go to https://psref.lenovo.com.
Dimensions
• Width: 92.5 mm (3.6 inches)
• Height: 339.5 mm (13.4 inches)
• Depth: 297.7 mm (11.7 inches)
Weight (without pa kaging) Maximum configuration as shipped: 5.3 kg (11.7 lb)
Hardware onfiguration
1. Right-click the Start button to open the Start context menu.
2. Click Devi e Manager. Type the administrator password or provide
confirmation if prompted.
Power supply
• 180-watt automatic voltage-sensing power supply
• 260-watt automatic voltage-sensing power supply
• 310-watt automatic voltage-sensing power supply
• 380-watt automatic voltage-sensing power supply
Ele tri al input • Input voltage: From 100 V ac to 240 V ac
• Input frequency: 50/60 Hz
Mi ropro essor To view the microprocessor information of your computer, right-click the Start
button and then click System.
Memory
Up to four double data rate 4 (DDR4) unbuffered dual inline memory modules
(UDIMMs)
Maximum memory capacity: 128 GB
Storage devi e
• 2.5-inch hard disk drive*
• 3.5-inch hard disk drive*
• M.2 solid-state drive*
To view the storage drive capacity of your computer, right-click the Start button
to open the Start context menu and then click Disk Management.
Note: The storage drive capacity indicated by the system is less than the nominal
capacity.
Video features
• The integrated graphics card supports the following:
– DisplayPort out connector
– HDMI out connector
– Standard for M70s Gen 2
– * Optional for selected models of M90s Gen 2
• The optional discrete graphics card provides an enhanced video experience
and extended capabilities.
Chapter 1.Meet your computer 5

Expansion
• Card reader*
• Memory slots
• M.2 solid-state drive Gen 3 slot
• M.2 solid-state drive Gen 4 slot* (for M90s Gen 2)
• Optical drive*
• PCI-Express card slot (physical link width x16; negotiable link width x4, x1)* (for
M90s Gen 2)
• PCI-Express x1 card slot
• PCI-Express x16 Gen 4 graphics card slot
• Storage drive bay
Network features
• Bluetooth*
• Ethernet AN
• Wireless AN*
* for selected models
USB spe ifi ations
Note: Depending on the model, some USB connectors might not be available on your computer.
Conne tor name Des ription
• 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 (for M70s Gen 2)
• USB-C (3.2 Gen 2) connector (for M90s Gen 2)
Charge USB-C compatible devices with the output
voltage and current of 5 V and 3 A.
6M70s Gen 2 and M90s Gen 2 User Guide

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 devi e Data rate (Gbit/s)
3.2 Gen 1 / 3.1 Gen 1 5
3.2 Gen 2 / 3.1 Gen 2 10
3.2 Gen 2 × 2 20
Thunderbolt 3 40
Thunderbolt 4 40
Chapter 1.Meet your computer 7

8M70s Gen 2 and M90s Gen 2 User Guide

Chapter 2. Get started with your omputer
A ess networks
This section helps you access networks through connecting to a wired or wireless network.
Conne t to the wired Ethernet
Connect your computer to a local network through the Ethernet connector on your computer with an
Ethernet cable.
Conne t to Wi-Fi networks (for sele ted models)
Click the network icon in the Windows® notification area, and then select a network for connection. Provide
required information, if needed.
Conne t an external display
Connect a projector or a monitor to your computer to give presentations or expand your workspace.
Conne t a wireless display
Ensure that both your computer and the wireless display support Miracast®.
Press + and then select a wireless display to connect.
Change display settings
Right-click a blank area on the desktop and select Display settings. Then, you can change display settings
as you prefer.
Manage ables with a smart able lip
Note: You can purchase a smart cable clip from enovo.
© Copyright enovo 2021 9

To manage cables of devices (such as the keyboard and the mouse) with a smart cable clip:
1. Pull the cables through the dents in the clip.
2. Install the clip as shown.
10 M70s Gen 2 and M90s Gen 2 User Guide

Chapter 3. Explore your omputer
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.
To access the Vantage app, type Vantage in the search box.
Key features
The Vantage app enables you to:
• Know the device status easily and customize device settings.
• Download and install UEFI BIOS, firmware and driver updates to keep your computer up-to-date.
• Monitor your computer health, and secure your computer against outside threats.
• Scan your computer hardware and diagnose hardware problems.
• ook up warranty status (online).
• Access User Guide and helpful articles.
Notes:
• The available features vary depending on the computer model.
• 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.
Set the power plan
For ENERGY STAR® compliant computers, the following power plan takes effect when your computers have
been idle for a specified duration:
• turn off the display: After 10 minutes
• put the computer to sleep: After 25 minutes
To awaken the computer from Sleep mode, press any key on your keyboard.
To reset the power plan to achieve the best balance between performance and power saving:
1. Go to Control Panel and view by large icons or small icons.
2. Click Power Options, and then choose or customize a power plan of your preference.
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.
Conne t to a Bluetooth-enabled devi e (for sele ted models)
You can connect all types of Bluetooth-enabled devices to your computer, such as a keyboard, a mouse, a
smartphone, or speakers. Place the device that you are attempting to connect to less than 10 meters (33
feet) from the computer.
© Copyright enovo 2021 11

1. Click the action center icon in the Windows notification area, and enable the Bluetooth feature.
2. Right-click the Bluetooth icon.
3. Select Go To Settings ➙ Add Bluetooth or other devi e ➙ Bluetooth.
4. Select a Bluetooth device, and then follow the on-screen instructions.
Use the opti al drive (for sele ted models)
If your computer has an optical drive, read the following information.
Know the type of your opti al drive
1. Right-click the Start button to open the Start context menu.
2. Click Devi e Manager. Type the administrator password or provide confirmation, if prompted.
Install or remove a dis
1. With the computer on, press the eject button on the optical drive. The tray slides out of the drive.
2. Insert a disc into the tray or remove a disc from the tray, and then push the tray back into the drive.
Note: If the tray does not slide out of the drive when you press the eject button, turn off the computer. Then,
insert a straightened paper clip into the emergency-eject hole adjacent to the eject button. Use the
emergency eject only in an emergency.
Re ord a dis
1. Insert a recordable disc into the optical drive that supports recording.
2. Do one of the following:
• Open the Start menu, and then click Settings ➙ Devi es ➙ AutoPlay. Select or turn on Use
AutoPlay for all media and devi es.
• Open Windows Media Player.
• Double-click the ISO file.
3. Follow the on-screen instructions.
12 M70s Gen 2 and M90s Gen 2 User Guide

Use a media ard (for sele ted models)
If your computer has a SD-card slot, read the following information.
Install a media ard
1. ocate the SD-card slot.
2. Ensure that the metal contacts on the card are facing the ones in the SD-card slot. Insert the card firmly
into the SD-card slot until it is secured in place.
Remove a media ard
Attention: Before removing a media card, eject the card from the Windows operating system first.
Otherwise, data on the card might get corrupted or lost.
1. Click the triangular icon in the Windows notification area to show hidden icons. Then, right-click the
Safely Remove Hardware and Eje t Media icon.
2. Select the corresponding item to eject the card from the Windows operating system.
3. Press the card and remove it from your computer. Store the card safely for future use.
Pur hase a essories
enovo 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 enovo, go to https://www.lenovo.com/accessories.
Chapter 3.Explore your computer 13

14 M70s Gen 2 and M90s Gen 2 User Guide