Lenovo ThinkCentre M740s User Manual
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Lenovo ThinkCentre M740s User Manual

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ThinkCentre M740s / M940s User Manual V2.0
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Summary of Contents for Lenovo ThinkCentre M740s

  • Page 1 ThinkCentre M740s / M940s User Manual V2.0 (E-version)
  • Page 2 (January 2022) © Copyright Lenovo 2021.

  • Page 3: Table Of Contents

    Notices ....Lenovo License Agreement ..Chapter 3. Set Up Your Computer . . 11 Appendix Glossary .
  • Page 4 ThinkCentre M740s / M940s User Manual V2.0 (E-version)

  • Page 5: Important Information Before Use

    To solve this problem, we recommend you contact your router manufacturer and request a firmware update. • Lenovo is not responsible for third-party software and antivirus programs that use your computer’s camera, microphone, or other multimedia devices to obtain private information (including images or audio) through Wi-Fi, Bluetooth, Ethernet, and other methods of communication.

  • Page 6: Storage Media And Driver Usage Precautions

    • Lenovo does not provide any commitments or services related to the usability or reliability of hardware and software provided by a third party.

  • Page 7: Chapter 1. Install The Computer

    Notes: • If your computer has a wireless keyboard and mouse, connect them following the relevant instructions. • You must use the power adapter provided by Lenovo. The use of another power adapter may cause combustion or explosion. © Copyright Lenovo 2021...
  • Page 8 ThinkCentre M740s / M940s User Manual V2.0 (E-version)

  • Page 9: Chapter 2. How To Use Your Computer

    3. SD card slot* ® 5. Storage drive activity indicator 6. ThinkCentre 7. Microphone connector 8. Headset connector 9. USB 3.2 Gen 1 connector 10. USB 3.2 Gen 2 connector 11. Internal speaker* * for selected models © Copyright Lenovo 2021...
  • Page 10 7. Microphone connector 8. Headset connector ® 9. USB-C 3.2 Gen 1 connector 10. USB 3.2 Gen 1 connector 11. USB 3.2 Gen 2 connector 12. Internal speaker* * for selected models ThinkCentre M740s / M940s User Manual V2.0 (E-version)

  • Page 11: Rear View

    Rear View M740s ® 1. Microphone connector 2. DisplayPort out connector 3. HDMI out connector 4. VGA out connector 5. USB 2.0 connector 6. USB 2.0 connector (with smart power on) 7. Audio line-out connector 8. Audio line-in connector 9. Security-lock slot 10.

  • Page 12: Start Up The Computer

    16. PCI-Express card area 18. Power cord connector 17. Smart cable clip slot* * for selected models Start Up the Computer Press and hold the power button on the case to start up the computer. ThinkCentre M740s / M940s User Manual V2.0 (E-version)

  • Page 13: Shut Down The Computer

    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. For the Windows 10 operating system: 1. Click the icon to open the Start Menu.

  • Page 14: Connect To Wi-Fi Networks

    Instead, the smart installation system helps you automatically detect the PCI and PCI-E settings that can be installed. This program supports the ThinkCentre M740s / M940s User Manual V2.0 (E-version)
  • Page 15 • The smart driver installation program only supports the built-in PCI and PCI-E bus plug-and-play devices provided by Lenovo. It does not support devices connected to serial ports, parallel ports, or USB ports. • If you cannot use this program to install drivers for additional expansion cards and external devices, please install them manually.
  • Page 16 ThinkCentre M740s / M940s User Manual V2.0 (E-version)

  • Page 17: Chapter 3. Set Up Your Computer

    1. Right-click the start icon to bring up a menu. 2. In this menu, select "Power Options". 3. This opens the "Power & sleep" interface. Set the sleep time to 30 minutes, as shown in the figure below. © Copyright Lenovo 2021...

  • Page 18: Set Up Bios Boot Order

    4. Press F10 and the screen will display a prompt. Select "Yes" and press Enter to save your changes and exit. Note: If you need to use expansion devices, turn off the computer and then connect the devices. ThinkCentre M740s / M940s User Manual V2.0 (E-version)

  • Page 19: Change The Its Performance Mode

    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 works at the balance mode with balanced noise and better performance. •...

  • Page 20: Set Up Amd Graphics Cards

    HDMI device audio output. Other Precautions • The BIOS of this graphics card is designed and produced exclusively for Lenovo computers. Do not use a graphics card BIOS not obtained from Lenovo to refresh or upgrade the existing BIOS. Otherwise, the graphics card may not work properly, causing you a lot of unnecessary hassle.

  • Page 21: Chapter 4. Problem Diagnostics And Troubleshooting

    Check and adjust the setting by using the control buttons of the monitor correspondingly. Whether the setting of the system display property is Adjust properties such as resolution and refresh rate in compatible with your monitor. the display property. © Copyright Lenovo 2021...

  • Page 22: Internal Components Of System Unable To Operate Normally

    Modem card appropriately. Modem card appropriately. Whether the driver for the Modem card is installed Install the driver for the Modem and set the Internet correctly and set appropriately. account and phone property correctly. ThinkCentre M740s / M940s User Manual V2.0 (E-version)
  • 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 appropriately and the speaker is powered on output connector of the mainframe appropriately, turn on and the volume knob is in an appropriate place.

  • Page 24: External Devices Unable To Operate Normally

    Format the hard disk according to the actual condition of the system appropriately. Whether the hard disk is infected by viruses. Scan and remove viruses by using common, anti-virus software with license. ThinkCentre M740s / M940s User Manual V2.0 (E-version)

  • Page 25: Other Problems

    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 physically. If it is the case, contact After-Sales Service of Lenovo. Other Problems Symptoms Solution Your computer does not respond.
  • Page 26 ThinkCentre M740s / M940s User Manual V2.0 (E-version)

  • Page 27: Chapter 5. Obtain Product Information And Help

    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 Lenovo products, you can use this chapter to find it. This chapter includes the following information: 1.

  • Page 28: Get Help And Service

    400 calls are not available, please call 010-82879425, though you will have to pay the phone charges. • ThinkCentre M Series or Qitian Models: Call the customer service hotline or log in to the Lenovo company website and look up the relevant service policies for your product.

  • Page 29: Chapter 6. Additional Information

    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.

  • Page 30: Lenovo License Agreement

    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.
  • Page 31 Software Product. Lenovo may terminate Your license if You fail to comply with the terms of this Agreement. If Lenovo does so, You must destroy all copies of the Software Product.
  • Page 32 7. Charges Charges for the Software Product are based on the level of use acquired. If You wish to increase the level of use, contact Lenovo or the party from whom You acquired the Software Product. Additional charges may apply.

  • Page 33: Appendix Glossary

    You agree to comply with all applicable export and import laws and regulations. c) Neither You nor Lenovo will bring a legal action under this Agreement more than two (2) years after the cause of action arose unless otherwise provided by local law without the possibility of contractual waiver or limitation.
  • Page 34 L1 Cache. In early microprocessors, L2 Cache is usually located outside of processor and installed on chips or add-in cards. L2 Cache is normally integrated in the processor in latest processors. ThinkCentre M740s / M940s User Manual V2.0 (E-version)

  • Page 35: Trademarks

    The terms HDMI and HDMI High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. USB-C is a registered trademark of USB Implementers Forum. All other trademarks are the property of their respective owners. © 2021 Lenovo. Chapter 6 Additional Information...

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