M75s Gen 2 User Guide
Read this first Before using this documentation and the product it supports, ensure that you read and understand the following: • Appendix A “Important safety information” on page 59 • Safety and Warranty Guide • Setup Guide Second Edition (June 2021) © Copyright Lenovo 2021. LIMITED 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. GS35F-05925.
Contents About this documentation . . . . . . . . iii Chapter 1. Meet your computer . . . . . 1 Front . . . . . . . . . . . . . Rear . . . . . . . . . . . . . Features and specifications . . . . Statement on USB transfer rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 5 6 Chapter 2. Get started with your computer . . . . . . . . . . . . . . . . . 7 Get started with Windows 10 . . . . . . Windows account . . . . . . . . . Windows user interface . . . . . . . Connect to networks .
What are CRUs . . . . . . . . . . Replace a CRU . . . . . . . . . . Vertical stand . . . . . . . . . Computer cover . . . . . . . . Front bezel . . . . . . . . . . Optical drive . . . . . . . . . Drive bay assembly . . . . . . Hard disk drive . . . . . . . . M.2 solid-state drive and heat sink M.2 solid-state drive bracket . . . Memory module . . . . . . . . PCI-Express card . . . . . . . Coin-cell battery . . . . . . . . Power supply assembly . . . . . E-lock . . . . . . . . . . . . . . . . . . . . . . .
About this documentation • Illustrations in this documentation might look different from your product. • Depending on the model, some optional accessories, features, and software programs might not be available on your computer. • Depending on the version of operating systems and programs, some user interface instructions might not be applicable to your computer. • Documentation content is subject to change without notice.
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Chapter 1. Meet your computer Front 1. Optical drive eject button* Eject the optical drive tray. 2. Optical drive activity indicator* This indicator is on when the optical drive is in use. Supported cards: • Secure Digital (SD) card • Secure Digital eXtended-Capacity (SDXC) UHS-1 card 3. SD-card slot* • Secure Digital High-Capacity (SDHC) UHS-1 card Note: Your computer does not support the content protection for recordable media (CPRM) feature for the SD card.
6. ThinkCentre® LED This indicator is on when the computer is on. 7. Microphone connector Connect a microphone. 8. Headset connector Connect a headset or headphones to your computer. • Charge USB-C compatible devices with the output voltage and current of 5 V and 3 A. 9. USB-C® (3.2 Gen 1) connector • Transfer data at USB 3.2 speed, up to 5 Gbps. • Connect to USB-C accessories to help expand your computer functionality. To purchase USB-C accessories, go to https://www.lenovo.com/accessories. 10.
Rear Send audio signals from the computer to external devices, such as powered stereo speakers, headphones, or multimedia keyboards. To connect a stereo system or other external recording device, connect a cable between the audio line-in connector of the device and the audio line-out connector of the computer. 1.
8. Ethernet connector Connect to a local area network (LAN). When the green indicator is on, the computer is connected to a LAN. When the yellow indicator blinks, data is being transmitted. 9. Padlock loop Lock the computer cover through a padlock. 10. E-lock slots Lock the computer cover through an E-lock. 11. PCI-Express card area Install PCI-Express cards into this area to improve the operating performance of the computer. Depending on the computer model, the connectors in this area vary. 12.
Features and specifications • Width: 92.5 mm (3.6 inches) Dimensions • Height: 339.5 mm (13.4 inches) • Depth: 297.7 mm (11.7 inches) Weight (without the package) Maximum configuration as shipped: 5.3 kg (11.7 lb) 1. Right-click the Start button to open the Start context menu. Hardware configuration 2. Click Device Manager. Type the administrator password or provide confirmation if prompted.
• Card reader* • Memory slots Expansion • M.
Chapter 2. Get started with your computer Get started with Windows 10 Learn the basics of Windows 10 and start working with it right away. For more information about Windows 10, see the Windows help information. Windows account A user account is required to use the Windows operating system. It can either be a Windows user account or a Microsoft account. Windows user account When you start Windows for the first time, you are prompted to create a Windows user account.
Windows user interface 1. Account Change account settings, lock the computer, or sign out from the current account. 2. Documents Open the Documents folder, a default folder to save your received files. 3. Pictures Open the Pictures folder, a default folder to save your received pictures. 4. Settings Launch Settings. 5. Power Shut down, restart, or put the computer into sleep mode. 6. Start button Open the Start menu. 7.
Access Control Panel • Open the Start menu and click Windows System ➙ Control Panel. • Use Windows Search. Launch an app • Open the Start menu and select the app you want to launch. • Use Windows Search. Connect to networks Your computer helps you connect to the world through 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.
Use multimedia Use your computer for business or entertainment with the devices (such as a camera, a monitor, or speakers). Use audio To enhance the audio experience, connect speakers, headphones, or a headset to the audio connector. Adjust the volume 1. Click the volume icon in the Windows notification area on the taskbar. 2. Follow the on-screen instructions to adjust the volume. Click the speaker icon to mute the audio. Change the sound settings 1. Go to Control Panel and view by category. 2.
Chapter 3. Explore your computer Manage power Use the information in this section to achieve the best balance between performance and power efficiency. Set power button behaviors You can define what the power button does according to your preference. For example, by pressing the power button, you can turn off the computer or put the computer to sleep or hibernation mode. To change what the power button does: 1. Go to Control Panel and view by large icons or small icons. 2.
Your Bluetooth device and computer will automatically connect the next time if the two devices are in range of each other with Bluetooth turned on. You can use Bluetooth for data transfer or remote control and communication. Use the optical drive (for selected models) If your computer has an optical drive, read the following information. Know the type of your optical drive 1. Right-click the Start button to open the Start context menu. 2. Click Device Manager.
Lock devices (such as the keyboard and the mouse) to your computer through a smart cable clip. 1. Insert the clip 1 into the cable-lock slot a . 2. Pull the cables you want to lock through the dents in the smart cable clip. 3. Press the clip 2 into the cable-lock slot b until it snaps into position. Purchase accessories Lenovo has a number of hardware accessories and upgrades to help expand the capabilities of your computer.
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Chapter 4. Secure your computer and information Lock the computer Note: You are responsible for evaluating, selecting, and implementing the locking device and security feature. 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. Padlock Locking the computer cover through a padlock prevents unauthorized access to the inside of your computer.
E-lock (for selected models) Your computer might have a security lock solution installed to protect the computer from unauthorized tampering of the internal components. Using the E-Lock, you can mechanically lock or unlock the computer cover. To enable or disable the E-Lock: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Security ➙ Electronic Lock to enable or disable the E-lock. 3. Press F10 or Fn+F10 to save the changes and exit.
Setting a hard disk password prevents unauthorized access to the data on the storage drive. When a hard disk password is set, you are prompted to enter a valid password each time you try to access the storage drive. Note: After you set a hard disk password, your data on the storage drive is protected even if the storage drive is removed from one computer and installed in another.
Use Computrace Agent software embedded in firmware (for selected models) The Computrace Agent software is an IT asset management and computer theft recovery solution. The software detects if changes have been made on the computer, such as hardware, software, or the computer call-in location. You might have to purchase a subscription to activate the Computrace Agent software. Use BIOS security solutions This section provides BIOS solutions to secure your computer and information.
Use Smart USB Protection The Smart USB Protection function is a security function that helps prevent data from being copied from the computer to USB storage devices connected to the computer. You can set the Smart USB Protection function to one of the following modes: • Disabled (default setting): You can use the USB storage devices without limitation. • Read Only: You cannot copy data from the computer to the USB storage devices. However, you can access or modify data on the USB storage devices.
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Chapter 5. UEFI BIOS This chapter provides information about configuring and updating UEFI BIOS, and clearing CMOS. What is UEFI BIOS Note: The operating system settings might override any similar settings in UEFI BIOS. UEFI BIOS is the first program that the computer runs when the computer is turned on. UEFI BIOS initializes the hardware components and loads the operating system and other programs. Your computer comes with a setup program with which you can change UEFI BIOS settings.
Change the display mode of UEFI BIOS You can use UEFI BIOS in the graphic mode or the text mode according to your needs. To change the display mode of UEFI BIOS: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Main ➙ Setup Mode Select and press Enter. 3. Set the display mode as desired. Set the system date and time 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Main ➙ System Time & Date and press Enter. 3.
Enable or disable the configuration change detection feature 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. To enable or disable the configuration change detection feature: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Security ➙ Configuration Change Detection and press Enter. 3.
1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Power ➙ Enhanced Power Saving Mode and press Enter. 3. Depending on whether you select Enabled or Disabled, do one of the following: • If you select Enabled, press Enter. Then, select Power ➙ Automatic Power On and press Enter. Check whether the Wake on LAN feature is disabled automatically. If no, disable it. • If you select Disabled, press Enter. Then, go to the next step. 4.
3. Depending on the operating system to be installed, do one of the following: • To install the Windows 10 (64-bit) operating system, 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. 4. Press F10 or Fn+F10 to save the changes and exit. Update UEFI BIOS When you install a new program, device driver, or hardware component, you might need to update UEFI BIOS.
3. Move the jumper from the standard position to the maintenance position. 4. Reconnect the power cords for the computer and the monitor to electrical outlets. 5. Turn on the computer and the monitor. When the computer beeps, wait for approximately 10 seconds. 6. Turn off the computer by holding the power button for approximately four seconds. 7. Disconnect all power cords from electrical outlets. 8. Move the jumper back to the standard position. 9. Reinstall all the parts that have been removed.
Chapter 6. Troubleshooting, diagnostics, and recovery This chapter provides solutions to resolve computer problems. Use the basic procedure as a starting point for resolving computer problems. Basic procedure for resolving computer problems Prerequisite Before you start, read Appendix A “Important safety information” on page 59 and print the following instructions. 1. Check that: a. The cables for all connected devices are connected correctly and securely. b. All components have been reassembled correctly.
Audio problems Problem Solution • If you are using powered external speakers that have an On/Off control, ensure that: – The On/Off control is set to the On position. – The speaker power cable is connected to a properly grounded, functional ac electrical outlet. • If your external speakers have a volume control, ensure that the volume is not set too low. • Click the volume icon in the Windows notification area on the taskbar. Check the speaker and volume settings.
Problem Solution • Connect the cable from the Ethernet connector to the RJ45 connector of the hub. • Enable the Ethernet LAN feature in UEFI BIOS. • Enable the Ethernet LAN adapter. 1. Go to Control Panel and view by large icons or small icons. 2. Click Network and Sharing Center ➙ Change adapter settings. The computer cannot connect to an Ethernet LAN. 3. Right-click the Ethernet LAN adapter icon and click Enable. • Update or reinstall the Ethernet LAN driver.
Problem Solution • Enable the Bluetooth feature in UEFI BIOS. • Enable all Bluetooth devices. 1. Right-click the Start button to open the Start context menu. 2. Click Device Manager. Type the administrator password or provide confirmation if prompted. 3. Expand Bluetooth to display all Bluetooth devices. Right-click each Bluetooth device, and then click Enable device. The Bluetooth feature does not work. 4. Expand Network adapters to display all network devices.
Performance problems Problem Solution Note: Depending on the volume of the storage drives and amount of data stored on the storage drives, the disk-defragmentation process might take up to several hours. 1. Close any open programs and windows. 2. Open the Start menu. Excessive fragmented files exist on the storage drives. 3. Click Windows System ➙ File Explorer ➙ This PC. 4. Right-click your C drive and then click Properties. 5. Click the Tools tab. 6. Click Optimize.
Storage drive problems Problem Solution • Ensure that the signal cables and power cables for all the storage drives are connected correctly. • Ensure that the computer is configured correctly to support the storage drives. Some or all storage drives are missing from the BIOS menu. – If the computer is installed with SATA storage drives, ensure that the SATA storage drive enablement module (one to five storage drives) is installed.
Problem Solution The playback is slow or choppy. • Disable any background programs, such as AntiVirus or Desktop Themes. • Ensure that video resolution is less than 1152 x 864 pixels. A message indicating invalid disc or no disc found is displayed. • Ensure that the disc is in the drive with the shiny side of the disc facing down. • Ensure that video resolution is less than 1152 x 864 pixels. • Ensure that the DVD or CD is inserted into an appropriate optical drive.
Software problems Problem Solution 1. Check whether the problem is caused by a program. a. Ensure that the software is compatible with the computer. Refer to the information supplied with the software for more information. b. Verify that other software works correctly on the computer. c. Verify that the software you are using works on another computer. Some programs do not work as expected. 2.
1. Open the Start menu, and then click Settings ➙ Update & Security ➙ Recovery. 2. In the Reset this PC section, click Get started. 3. Follow the on-screen instructions to reset your computer. Use advanced options 1. Open the Start menu, and then click Settings ➙ Update & security ➙ Recovery. 2. In the Advanced startup section, click Restart now ➙ Troubleshoot ➙ Advanced options. 3. Select a preferred option, and then follow the on-screen instructions.
4. Select the recovery USB drive as the boot device. Then, follow the on-screen instructions to complete the process. Update the device driver Attention: Reinstalling device drivers will change the current configuration of the computer. You should download the latest driver for a component when you notice poor performance from that component or when you added a component. This action might eliminate the driver as the potential cause of a problem.
Chapter 7. CRU replacement What are CRUs Customer Replaceable Units (CRUs) are parts that can be upgraded or replaced by the customer. Lenovo computers contain the following types of CRUs: • Self-service CRUs: Refer to parts that can be installed or replaced easily by customer themselves or by trained service technicians at an additional cost. • Optional-service CRUs: Refer to parts that can be installed or replaced by customers with a greater skill level.
Optional-service CRUs • Coin-cell battery • E-lock* • Power supply assembly * for selected models Replace a CRU Follow the replacement procedure to replace a CRU. Vertical stand Prerequisite Before you start, read Appendix A “Important safety information” on page 59 and print the following instructions. For access, do the following: 1. Remove any media from the drives and turn off all connected devices and the computer. 2.
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. Disconnect all power cords from electrical outlets and disconnect all cables from the computer. 3. Unlock any locking device that secures the computer cover. 4. Remove the vertical stand. See “Vertical stand” on page 38. 5.
Replacement procedure Optical drive Prerequisite Before you start, read Appendix A “Important safety information” on page 59 and print the following instructions. For access, do the following: 1. Remove the computer cover. See “Computer cover” on page 38. 2. Disconnect the signal and power cable from the optical drive.
Replacement procedure Chapter 7.
Drive bay assembly Prerequisite Before you start, read Appendix A “Important safety information” on page 59 and print the following instructions.
Hard disk drive Prerequisite Before you start, read Appendix A “Important safety information” on page 59 and print the following instructions. 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: • Replace the internal storage drive only for upgrade or repair. The internal storage drive is not designed for frequent changes or replacement.
Removal steps for 2.5-inch primary hard disk drive Remove the storage converter with the 2.5-inch primary storage drive. See “3.5-inch primary hard disk drive” on page 43.
Removal steps for 2.5-inch secondary hard disk drive For access, do the following: 1. Remove the following parts in order, if any: • “Computer cover” on page 38 • “Front bezel” on page 39 • “Optical drive” on page 40 • “Drive bay assembly” on page 42 2. On the bottom of the drive bay assembly, disconnect the signal cable and the power cable from the 2.5inch secondary hard disk drive. Chapter 7.
M.2 solid-state drive and heat sink Prerequisite Before you start, read Appendix A “Important safety information” on page 59 and print the following instructions. The heat sink might be very hot. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. Attention: The internal storage drive is sensitive. Inappropriate handling might cause damage and permanent loss of data.
• For computers with the heat sink for the M.2 solid-state drive, do one of the following depending on the computer model: – Type 1 Note: Remove the film that covers the thermal pad (if any) when installing the M.2 solid-state drive and the heat sink. – Type 2 Chapter 7.
Note: Remove the film that covers the thermal pad (if any) when installing the M.2 solid-state drive and the heat sink. – Type 3 Note: Remove the film that covers the thermal pad (if any) when installing the M.2 solid-state drive and the heat sink.
M.2 solid-state drive bracket Prerequisite Before you start, read Appendix A “Important safety information” on page 59 and print the following instructions. For access, remove the following parts in order, if any: • “Computer cover” on page 38 • “Front bezel” on page 39 • “Drive bay assembly” on page 42 • “M.
For access, remove the following parts in order, if any: • “Computer cover” on page 38 • “Front bezel” on page 39 • “Drive bay assembly” on page 42 Replacement procedure 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 card Prerequisite Before you start, read Appendix A “Important safety information” on page 59 and print the following instructions. For access, remove the computer cover. See “Computer cover” on page 38. Removal steps Note: Remove any PCI-Express connector cables that impede the installation of PCI-Express cards. Coin-cell battery Prerequisite Before you start, read Appendix A “Important safety information” on page 59 and print the following instructions.
Removal steps Notes: • Reset the system date and time in the UEFI BIOS menu. • To dispose of the coin-cell battery, refer to the “Lithium coin-cell battery notice” in the Safety and Warranty Guide. Power supply assembly Prerequisite Before you start, read Appendix A “Important safety information” on page 59 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.
2. Disconnect the power supply assembly cables from the system board. Removal steps E-lock Prerequisite Before you start, read Appendix A “Important safety information” on page 59 and print the following instructions. For access, do the following: 1. Remove the following parts in order, if any: • “Computer cover” on page 38 • “PCI-Express card” on page 51 2. Disconnect the E-lock cable from the system board. Note: To remove the screws, you need a special tool (T15 star wrench).
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Chapter 8. Help and support Self-help resources Use the following self-help resources to learn more about the computer and troubleshoot problems. Resources How to access? Use the Vantage app to: • Configure device settings. • Download and install UEFI BIOS, drivers and firmware updates. • Secure you computer from outside threats. • Diagnose hardware problems. Type Vantage in the search box. • Check the computer warranty status. • Access User Guide and helpful articles.
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. Record the problem symptoms and details: • What is the problem? Is it continuous or intermittent? • Any error message or error code? • What operating system are you using? Which version? • Which software applications were running at the time of the problem? • Can the problem be reproduced? If so, how? 2.
Services available during the warranty period • Problem determination - Trained personnel are available to assist you with determining if you have a hardware problem and deciding what action is necessary to fix the problem. • 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.
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Appendix A. Important safety information Safety notices This information can help you safely use your computer. Follow and retain all information included with your computer. The information in this document does not alter the terms of your purchase agreement or the Limited Warranty. For more information, go to: • https://www.lenovo.com/warranty/llw_02 • https://pcsupport.lenovo.com/warrantylookup Customer safety is important. Our products are developed to be safe and effective.
• Power cords, plugs, power adapters, extension cords, surge protectors, or power supplies that are cracked, broken, or damaged. • Signs of overheating, smoke, sparks, or fire. • Damage to a battery (such as cracks, dents, or creases), discharge from a battery, or a buildup of foreign substances on the battery. • A cracking, hissing, or popping sound, or strong odor that comes from the product.
After replacing a CRU, reinstall all protective covers, including the computer cover, before connecting power and operating the computer. This action is important to help prevent unexpected electrical shock and help ensure the containment of an unexpected fire that could happen under extremely rare conditions. Sharp Edges: When replacing CRUs, be cautious of sharp edges or corners that might cause injury. If you suffer an injury, seek medical care immediately.
Power cords provided by Lenovo in the United States and Canada are listed by Underwriter’s Laboratories (UL) and certified by the Canadian Standards Association (CSA). For units intended to be operated at 115 volts: Use a UL-listed and CSA-certified cord set consisting of a minimum 18 AWG, Type SVT or SJT, three-conductor cord, a maximum of 15 feet in length and a parallel blade, grounding-type attachment plug rated 10 amperes, 125 volts. For units intended to be operated at 230 volts (U.S.
Plugs and outlets DANGER If a receptacle (power outlet) that you intend to use with your computer equipment appears to be damaged or corroded, do not use the outlet until it is replaced by a qualified electrician. Do not bend or modify the plug. If the plug is damaged, contact the manufacturer to obtain a replacement.
Lithium coin-cell battery notice DANGER Danger of explosion if battery is incorrectly replaced. If the coin-cell battery is not a CRU, do not attempt to replace the coin-cell battery. Replacement of the battery must be done by a Lenovo-authorized repair facility or technician. The Lenovo-authorized repair facilities or technicians recycle Lenovo batteries according to local laws and regulations.
computer, power adapter, and many accessories produce some heat during normal operation. Extended contact with the body could cause discomfort or, potentially, a skin burn. • Do not charge the battery or operate your computer, power adapter, or accessories near flammable materials or in explosive environments. • Ventilation slots, fans, and heat sinks are provided with the product for safety, comfort, and reliable operation.
DANGER Connect and disconnect cables as described in the following procedures when installing, moving, or opening covers on this product or attached devices. To connect: To disconnect: 1. Turn everything OFF. 1. Turn everything OFF. 2. First, attach all cables to devices. 2. First, remove power cords from outlets. 3. Attach signal cables to connectors. 3. Remove signal cables from connectors. 4. Attach power cords to outlets. 4. Remove all cables from devices. 5. Turn devices ON.
Liquid crystal display (LCD) notice DANGER To avoid shock hazards: • Do not remove the covers. • Do not operate this product unless the stand is attached. • Do not connect or disconnect this product during an electrical storm. • The power cord plug must be connected to a properly wired and grounded power outlet. • Any equipment to which this product will be attached must also be connected to properly wired and grounded power outlets.
Limits) or a wide band characteristic voltage of 75 mV. Using headphones that do not comply with EN 503322 can be dangerous due to excessive sound pressure levels. If your Lenovo computer came with headphones or earphones in the packaging, as a set, the combination of the headphones or earphones and the computer already complies with the specifications of EN 50332-1. If different headphones or earphones are used, ensure that they comply with EN 50332-1 (Clause 6.5 Limitation Values).
Hazardous energy statement DANGER Disconnect all power cords from electrical outlets before removing the computer cover or any part that has the above label attached. DO NOT disassemble components that have the above label attached. There are no serviceable parts inside these components. Your product is designed for safe use. However, hazardous voltage, current, and energy levels are present inside any component that has this label attached.
Static electricity prevention Static electricity, although harmless to you, can seriously damage computer components and options. Improper handling of static-sensitive parts can damage the part. When you unpack an option or CRU, do not open the static-protective packaging containing the part until the instructions direct you to install it. When you handle options or CRUs, or perform any work inside the computer, take the following precautions to avoid static-electricity damage: • Limit your movement.
Basic maintenance tips Here are some basic points about keeping your computer functioning properly: • Keep the computer in a clean, dry environment. Ensure that the computer rests on a flat, steady surface. • Do not cover any of air vents. These air vents provide airflow to keep the computer from overheating.
Clean the computer surface: Wipe it with a lint-free cloth dampened in mild soap and water. Avoid applying liquids directly to the surface. Clean the keyboard: Wipe the keys one by one with a lint-free cloth dampened in mild soap and water. If you wipe several keys at a time, the cloth might hook onto an adjacent key and possibly damage it. Avoid spraying cleaner directly onto the keyboard.
Appendix B. Accessibility and ergonomic information This chapter provides information about accessibility and ergonomics. Accessibility information Lenovo is committed to providing users who have hearing, vision, and mobility limitations with greater access to information and technology. You can get the most up-to-date accessibility information from https://www.lenovo.com/accessibility. If you need additional support with the accessibility features, go to https://pcsupport.lenovo.
Arm and hand position: If available, use chair arm rests or an area on your working surface to provide weight support for your arms. Keep your forearms, wrists, and hands in a relaxed and neutral (horizontal) position. Type with a soft touch without pounding the keys. Leg position: Keep your thighs parallel to the floor and your feet flat on the floor or on a footrest.
Appendix C. Supplemental information about the Ubuntu operating system In limited countries or regions, Lenovo offers customers an option to order computers with the preinstalled Ubuntu® operating system. If the Ubuntu operating system is available on your computer, read the following information before you use the computer. Ignore any information related to Windows-based programs, utilities, and Lenovo preinstalled applications in this documentation.
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Appendix D. Compliance and TCO Certified information This chapter provides regulatory, environmental, RoHS, and ENERGY STAR information about Lenovo products. Radio frequency compliance statements Computer models equipped with wireless communications comply with the radio frequency and safety standards of any country or region in which it has been approved for wireless use.
This equipment is not protected against harmful interference and may not cause interference with duly authorized systems. Mexico Advertencia: En Mexico la operación de este equipo está sujeta a las siguientes dos condiciones: (1) es posible que este equipo o dispositivo no cause interferencia perjudicial y (2) este equipo o dispositivo debe aceptar cualquier interferencia, incluyendo la que pueda causar su operación no deseada. Singapore Korea 무선설비 전파 혼신 (사용주파수 2400∼2483.
The crossed-out wheeled bin marking applies only to countries with WEEE and batteries waste regulations including the European Union (EU), and United Kingdom (UK). Appliances and batteries/accumulators are labeled in accordance with local regulations concerning waste electrical and electronic equipment (WEEE) and waste batteries and waste accumulators.
WEEE information for Hungary Lenovo, as a producer, bears the cost incurred in connection with the fulfillment of Lenovo’s obligations under Hungary Law No. 197/2014 (VIII.1.) subsections (1)-(5) of section 12. Japan recycling statements Collect and recycle a disused Lenovo computer or monitor If you are a company employee and need to dispose of a Lenovo computer or monitor that is the property of the company, you must do so in accordance with the Law for Promotion of Effective Utilization of Resources.
Recycling information for mainland China Battery recycling information for Taiwan Restriction of Hazardous Substances (RoHS) Directive of countries and regions The latest environmental information about Lenovo products is available at: https://www.lenovo.
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Taiwan RoHS Electromagnetic emission notices Federal Communications Commission (FCC) Supplier’s Declaration of Conformity The following information refers to ThinkCentre M75s Gen 2, machine types: 11JA, 11JB, 11JC, 11JD, 11R7, 11R8, 11R9, and 11RA. Appendix D.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
Dieses Produkt entspricht den Schutzanforderungen der EU-Richtlinie zur elektromagnetischen Verträglichkeit Angleichung der Rechtsvorschriften über die elektromagnetische Verträglichkeit in den EUMitgliedsstaaten und hält die Grenzwerte der Klasse B der Norm gemäß Richtlinie. Um dieses sicherzustellen, sind die Geräte wie in den Handbüchern beschrieben zu installieren und zu betreiben. Des Weiteren dürfen auch nur von der Lenovo empfohlene Kabel angeschlossen werden.
TCO Certified Selected models are TCO Certified and bear the TCO Certified logo. Note: TCO Certified is an international third-party sustainability certification for IT products. For details, go to https://www.lenovo.com/us/en/compliance/tco. Export classification notice This product is subject to the United States Export Administration Regulations (EAR) and has an Export Classification Control Number (ECCN) of 5A992.c.
Lenovo is proud to offer products with the ENERGY STAR certified designation. Lenovo computers, if carry an ENERGY STAR mark, have been designed and tested to conform to the ENERGY STAR program requirements for computers as prescribed by the U.S. Environmental Protection Agency. For a certified computer, an ENERGY STAR mark may be affixed to the product, the product packaging, or displayed electronically on the E-label screen or the power settings interface.
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Appendix E. Notices and trademarks Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local 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 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 made on development-level systems and there is no guarantee that these measurements will be the same on generally available systems. Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary.
