Lenovo ThinkCentre M740s M940s User Manual V2.0
Summary
A comprehensive guide designed to help new and existing users master their ThinkCentre M740s / M940s desktop computer. This manual provides expert instructions covering every phase of system ownership—from initial hardware setup and optimizing BIOS settings to advanced usage and daily operation. Key sections include detailed setups for NVIDIA and AMD graphics cards, troubleshooting common startup failures, managing external peripherals, and establishing secure network connections (Wi-Fi/Bluetooth). Essential reading for users seeking thorough technical support and optimal performance guidance.
Page 1 Text Content
Think Centre M740s / M940s User Manual V2.0
(E-version)
Page Summary Contents For Lenovo ThinkCentre M740s M940s User Manual V2.0
Page 1
Think Centre M740s / M940s User Manual V2.0 (E-version)
Page 2
(January 2022) © Copyright Lenovo 2021.
Page 3
Contents Important Information Before Use. . . . iii Graphics Card Setup. . . . . . . . . . . . . 13 Computer Usage Precautions . . . . . . . . . . iii Set Up NVIDIA Graphics Cards . . . . . . . 13 Op...
Page 4
ii Think Centre M740s / M940s User Manual V2.0 (E-version)
Page 5
Important Information Before Use This guide aims to help you use this product correctly. Before installing and using this product for the first time, please be sure to carefully read all the materials...
Page 6
• Use a mousepad designed for an optical mouse. Storage Media and Driver Usage Precautions 1. If your computer comes with an optical drive, do not touch the surface of the disc or the lens on the tray...
Page 7
Chapter 1. Install the Computer Notes: • Before installing the computer, check the packing list to make sure all the parts are provided. • Before installing and using the computer, carefully read this...
Page 8
Think Centre M740s / M940s User Manual V2.0 (E-version)
Page 9
Chapter 2. How to Use Your Computer Front View 1. Optical drive eject button* 2. Optical drive activity indicator* 3. SD card slot* 4. Power button 5. Storage drive activity indicator 6. Think Centre®...
Page 10
1. Optical drive eject button* 2. Optical drive activity indicator* 3. SD card slot* 4. Power button 5. Storage drive activity indicator 6. Think Centre® LED 7. Microphone connector 8. Headset connect...
Page 11
Rear View 1. Microphone connector 2. Display Port® out connector 3. HDMITM out connector 4. VGA out connector 5. USB 2.0 connector 6. USB 2.0 connector (with smart power on) 7. Audio line-out connecto...
Page 12
1. Microphone connector 2. Display Port® out connector 3. HDMITM out connector 4. VGA-out connector 5. USB 3.2 Gen 1 connector 6. USB 3.2 Gen 1 connector (with smart power on) 7. Audio line-out connec...
Page 13
Shut Down the Computer To prevent damage to hardware/software systems or loss of data, do not arbitrarily use the power button to shut down the computer. Instead, shut down the computer as follows. Fo...
Page 14
Connect to Wi-Fi Networks Note: If the computer you purchased is not a Wi-Fi device, please skip this section. A Wi-Fi connection provides mobile Internet access within the coverage area of the Wi-Fi ...
Page 15
Windows 10 operating system. You just need to insert the provided driver disc and it will automatically install the necessary drivers. Note: During driver installation, follow the system prompts to co...
Page 16
Think Centre M740s / M940s User Manual V2.0 (E-version)
Page 17
Chapter 3. Set Up Your Computer Set Up Sleep Mode Note: The interface images in this chapter are for reference only. For the Windows 10 operating system: 1. Right-click the start icon to bring up a me...
Page 18
4. After configuring this setting, click the start icon and then "Power" → "Sleep" to put the computer into power-saving mode. Note: In power-saving mode, the computer sleep time c...
Page 19
Change the ITS performance mode You can adjust the acoustic and thermal performance of your computer by changing the ITS performance mode. Three choices are available: • Balance mode: The computer wor...
Page 20
Note: If the TV display interface is not clear, try adjusting the screen resolution to 800 x 600 pixels. Set Up AMD Graphics Cards Display settings This section assumes you are using the Windows 10 op...
Page 21
Chapter 4. Problem Diagnostics and Troubleshooting Computer System Unable to Start-up Normally Computer System Unable to Operate Normally Check... Solution Whether the power cord or the Adapter of the...
Page 22
Monitor Unable to Operate Normally (All-in-one models) Check... Solution When you turn on the computer, the screen does not • If the screen is black, check that: show anything. The power cable or powe...
Page 23
No Audio Output or Single Track after Audio Card is Installed Check... Solution Whether the connectors of the speaker or microphone are Connect the input connector of the speaker with the connected ap...
Page 24
External Devices Unable to Operate Normally Keyboard Unable to Operate Normally Check... Solution Whether the keyboard cable is connected appropriately Plug the keyboard cable into the keyboard connec...
Page 25
Check... Solution Whether the options related to the hard disk drive in BIOS Reset the information of the hard disk in BIOS setup are correct. appropriately. Whether the hard disk is damaged physicall...
Page 26
Think Centre M740s / M940s User Manual V2.0 (E-version)
Page 27
Chapter 5. Obtain Product Information and Help This chapter provides an index of information resources related to Lenovo products. If you need help, services, tech support, or detailed information on ...
Page 28
• Ownership of replaced machine and parts: After Lenovo, a Lenovo products dealer, or authorized Lenovo service provider replaces your product or a faulty part, the original machine or part will becom...
Page 29
Chapter 6. Additional Information Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information...
Page 30
Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been...
Page 31
for use on a Lenovo hardware product, Your hardware product sales transaction document is also the proof of Your right to use the Software Product. 2. License The Software Product is owned by Lenovo o...
Page 32
5. Software Product Specifications The Software Product specifications and specified operating environment information may be found in documentation accompanying the Software Product, if available, su...
Page 33
JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO 10. Consumer Rights Nothing in this Agreement affec...
Page 34
Term Definition bps Bits/second. It is the measurement unit of data transmission rate. Bps Bytes/second. It is the measurement unit of data transmission rate. CD-R It is a type of CD that can record d...
Page 35
Term Definition Heat Sink The heat conducting sheet metal can be connected to the top of chips to absorb heat such as microprocessor; by which to make chips work under lower temperature. Modem Abbrevi...
Manual Details
| Brand | Lenovo |
|---|---|
| Pages | 35 |
| File Size | 11.67 MB |
| Published | June 03, 2026 |
56 views
Enter the captcha to get the download link:
