Lenovo Yoga C640-13IML 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 33 • Safety and Warranty Guide • Setup Guide First Edition (July 2019) © Copyright Lenovo 2019. 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 . . . . . . . . . . . . . Base . . . . . . . . . . . . . Left . . . . . . . . . . . . . Right . . . . . . . . . . . . . Bottom . . . . . . . . . . . . Features and specifications . . . . Statement on USB transfer rate . Operating environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 3 4 5 6 6 7 Chapter 2.
ii Lenovo Yoga C640-13IML User Guide
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, some user interface instructions might not be applicable to your computer. • Documentation content is subject to change without notice.
iv Lenovo Yoga C640-13IML User Guide
Chapter 1. Meet your computer Front 1. Microphones Capture or record sound and voice. 2. Camera Take pictures or record videos by clicking Camera from the Start menu. Note: If you use other apps that support photographing, video chatting, and video conference, the camera starts automatically when you enable the camera-required feature from the app. 3. Camera cover slider Move the slider to cover or uncover the camera lens. Note: The camera cover helps you better protect your privacy. 4.
Base 1. Keyboard Enter characters and interact with programs. Note: The keyboard also includes hotkeys and function keys for changing settings and performing tasks quickly. 2. Speakers Produce sound. 3. Fingerprint reader Enroll and read your fingerprint for user authentication. 4. LTE antennas* Establish wireless-WAN connection. Note: The antennas are not visible from the outside of the computer. 5.
Left 1. Power connector Connect to power with the included power cord and ac power adapter. 2. Charging light Indicate whether the computer is connected to ac power. • Solid white: connected to ac power; battery capacity 91% – 100% • Solid amber: connected to ac power; battery capacity 1% – 90% • Off: not connected to ac power 3. USB (3.1 Gen 1) Type-A connector Connect a USB-compatible device, such as a USB keyboard, a USB mouse, a USB storage device, or a USB printer. 4.
Right 1. SIM card slot* 2. USB-CTM connector (USB 3.1 Gen 1) Insert a SIM card to connect to a cellular data network. • Charge USB-C compatible devices with the output voltage and current of 5 V and 3 A. • Transfer data at USB 3.1 speed, up to 5 Gbps. • Connect to an external display. • Connect to USB-C accessories to help expand your computer functionality. To purchase USB-C accessories, go to https:// www.lenovo.com/accessories.
Bottom 1. Ventilation slots Dissipate heat. 2. Novo button hole Press the Novo button to open the Novo Button menu. From the menu, you can choose to open the UEFI/BIOS setup utility, the Boot menu, or the Windows startup options screen. Chapter 1.
Features and specifications Dimensions • Width: 306 mm (12.04 inches) • Depth: 204.48 mm (8.05 inches) • Thickness: – Thinnest: 16.18 mm (0.63 inches) – Thickest: 16.91 mm (0.66 inches) ac power adapter • Input: 100 V to 240 V ac, 50 Hz to 60 Hz • Output: 20 V dc, 2.25 A • Power: 45 W Battery pack • 60 Wh • 4 cells Microprocessor To view the microprocessor information of your computer, right-click the Start button and then select System.
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 device Data rate (Gbit/s) 3.1 Gen 1 5 3.1 Gen 2 10 3.2 20 Operating environment Maximum altitude (without pressurization) 3048 m (10 000 ft) Temperature • At altitudes up to 2438 m (8000 ft) – Operating: 5°C to 35°C (41°F to 95°F) – Storage: 5°C to 43°C (41°F to 109°F) • At altitudes above 2438 m (8000 ft) – Maximum temperature: 31.
8 Lenovo Yoga C640-13IML User Guide
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 You must create at least one account to use the Windows operating system. It can be either a local account or a Microsoft account. Local accounts A local account is created on a particular Windows-enabled device and it can only be used on that device.
Note: By default, you are prompted to add Microsoft accounts. If you don’t know the person’s Microsoft account, select I don’t have this person’s sign-in information. Follow on-screen instructions to create a Microsoft account for the person. Alternatively, select Add a user without a Microsoft account to create a local account for the person. Enroll your fingerprint If your computer includes a fingerprint reader, you can enroll your fingerprint for Windows sign-in. Step 1.
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 in sleep mode. 6. Start button Open the Start menu. 7.
Launch an app • Open the Start menu and select the app you want to launch. • Use Windows Search. Lenovo Vantage and Lenovo PC Manager Lenovo Vantage and Lenovo PC Manager is software developed by Lenovo. Using the software, you can: • View product information • View warranty and support information • Run hardware scan and diagnose problems • Change hardware settings • Update Windows, drivers, and UEFI/BIOS Lenovo Vantage or PC Manager may be pre-installed on your computer.
Step 2. Insert the SIM card in the SIM card tray. Note the orientation of the card and ensure that it is seated correctly. Step 3. Insert the SIM card tray into the SIM card slot. Step 4. Click the network icon in the Windows notifications area, and then select the cellular network icon from the list. Step 5. Provide the required information if needed. Forget a Wi-Fi network Windows saves a list of Wi-Fi networks you have connected to, along with their passwords and other settings.
Step 2. Click Manage known networks. Step 3. Click the network name and click Forget. Turn on or off airplane mode Airplane mode is a convenient setting to turn on or off all wireless communication of your computer. You may need to turn it on when boarding an airplane. Step 1. Click the notification icon in the Windows notification area. Step 2. Click the airplane mode icon to turn it on or off. Note: Click Expand if you cannot find the airplane mode icon.
Mode Suitable for Notebook mode • Entering text • Drag and drop operations using the touchpad Stand mode • Giving a presentation • Viewing a slide show Tent mode Watching movies Tablet mode Playing touch-enabled games Multi-touch gestures If your computer display supports multi-touch function, you can navigate the screen with simple touch gestures. Chapter 2.
Note: Not all gestures are available on all apps. Tap once • From the Start menu: Open an app or item. • From the desktop: Select an app or item. • In an open app: Perform an action such as Copy, Save, and Delete, depending on the app. Tap twice quickly Open an app or item from the desktop. Tap and hold Open a shortcut menu. Slide Scroll through items, such as lists, pages, and photos. Drag an item to the location you want Move an object.
Move two fingers closer together Zoom out. Move two fingers farther apart Zoom in. Swipe in from the right edge Open the action center to see your notifications and quick actions. Swipe in from the left edge View all your open windows in task view. • Swipe downwards shortly from the top edge (for full-screened app or when your computer is in the tablet mode) Show a hidden title bar. • Swipe in from the top edge to the bottom edge (when your computer is in the tablet mode) Close the current app.
Lenovo Digital Pen Selected models are equipped with Lenovo Digital Pen. The pen is not waterproof. Keep the pen away from water and excessive moisture. To purchase Lenovo Digital Pen, go to https://www.lenovo.com/accessories. Use Lenovo Digital Pen Figure 1. Lenovo Digital Pen – overview 1. Pen tip 2. Bottom button 3. Top button Install the AAAA battery Lenovo Digital Pen uses AAAA battery. The AAAA battery is not provided with the pen. Check the pen's battery status Step 1.
• Lenovo Pen Settings: Enter Lenovo Pen Settings in the Windows search box, and then select the matched result to set the pen. From Lenovo Pen Settings, you can configure the following settings as desired: – View the battery status of the pen. – Change the functions of the pen buttons. – Enable or disable near-screen click for pen buttons when the pen tip is placed within 1 cm from the computer screen.
Note: Hotkeys that do not share keys with function keys are not affected by the hotkey mode setting. They should always be used with the Fn key.
Chapter 3. Explore your computer Connect to an external display device You may connect your computer to an external display device through wired or wireless connection. Connection type Condition Wired Prepare an appropriate USB-C adapter Wireless • The external display supports Miracast, or • Purchase and use a Miracast adapter Connect a wired display device Use the Thunderbolt 3 connector and an appropriate adapter (not supplied) to connect your computer to a wired display device.
Check the battery status The battery status icon or is in the Windows notification area. You can check the battery status, view the current power plan, and access battery settings quickly. Click the battery status icon to display the percentage of battery power remaining and change the power mode. A warning message is displayed when the battery is low. Charge the battery When the battery power is low, charge your battery by connecting your computer to ac power.
Performance mode Description Auto The computer monitors what programs are running and automatically set the highest frequency for the processing unit. Quiet The computer’s processing unit may not operate at its highest frequency. High performance The computer’s processing unit can operate at its highest frequency. Change settings in UEFI/BIOS setup utility This section introduces what is UEFI/BIOS and the operations you can perform in its setup utility.
Step 4. Select Exit ➙ Exit Saving Changes. Note: If Lenovo Vantage or Lenovo PC Manager (software) is pre-installed on your computer, you may also enable or disable always-on in the software. Set passwords in UEFI/BIOS setup utility This section introduces the types of passwords that you can set in the UEFI (Unified Extensible Firmware Interface) or BIOS (Basic Input/Output System) setup utility. Password types You can set various types of passwords in the UEFI/BIOS setup utility.
Step 1. Open the UEFI/BIOS setup utility using the administrator password. Step 2. Select Security ➙ Set Administrator Password and press Enter. Step 3. Enter the current password. Step 4. In the Enter New Password text box, enter the new password. Step 5. In the Confirm New Password text box, enter the new password again. Note: If you want to remove the password, press Enter in both text boxes without entering any character. Step 6. Select Exit ➙ Exit Saving Changes.
Note: If you start the setup utility using the user password, you cannot set hard disk password. Step 3. Follow on-screen instructions to set both master and user passwords. Note: The master and user hard disk passwords must be set at the same time. Step 4. Select Exit ➙ Exit Saving Changes. If the hard disk password is set, you must provide the correct password to start the operating system. Change or remove hard disk password Step 1. Open the UEFI/BIOS setup utility. Step 2. Select Security.
System Restore creates restore points: • automatically (when it detects changes to Windows system files) • at regular intervals (if set up by the user) • at any time (if initiated manually by the user) Note: In order for System Restore to create restore points, system protection must be turned on for the system drive. Create a system restore point manually You can use Windows System Restore to create a restore point at any time. Step 1.
Attention: Previous files on the drive will be deleted. Back up personal files before using it to create a recovery drive. When a recovery drive is created, you might see a Delete the recovery partition from your PC option. If you want to free up drive space on your computer, select it and then select Delete. Otherwise, select Finish. Use a recovery drive to restore or reset Windows If Windows cannot start, you can use a recovery drive (created in advance) to restore or reset Windows. Step 1.
Chapter 4. Help and support Frequently asked questions How do I open the Control Panel? • Open the Start menu and select Windows System ➙ Control Panel. • Use Windows Search. How should I turn off my computer? Open the Start menu and select Power ➙ Shut down. How do I partition my storage drive? Refer to https://support.lenovo.com/solutions/ht503851 What should I do if my computer stops responding. Press and hold the power button until the computer turns off. Then restart the computer. 1.
Resources How to access? Lenovo Support Web site with the latest support information of the following: • Drivers and software • Diagnostic solutions Visit https://support.lenovo.com • Product and service warranty • Product and parts details • Knowledge base and frequently asked questions • Open the Start menu and select Get Help or Tips. Windows help information • Use Windows Search or the Cortana® personal assistant. • Microsoft support Web site: https:// support.microsoft.
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 Record product information and problem details before you contact Lenovo.
For the terms and conditions of the Lenovo Limited Warranty that apply to your Lenovo hardware product, see “Warranty information” in the Safety and Warranty Guide that comes with your computer. Purchase additional services During and after the warranty period, you can purchase additional services from Lenovo at https:// www.lenovo.com/services. Service availability and service name might vary by country or region.
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, see "Warranty Information" in the Safety and Warranty Guide that comes with your computer. Customer safety is important. Our products are developed to be safe and effective.
Protect yourself from the heat generated by the ac power adapter. When the ac power adapter is connected to an electrical outlet and your computer, it generates heat. Extended contact with your body, even through clothing, may cause a skin burn. • Do not place the ac power adapter in contact with any part of your body while it is in use. • Never use it to warm your body. • Do not wrap the cords around the ac power adapter while in use. Prevent your computer from getting wet.
Handle your computer gently. Do not drop, bump, scratch, twist, hit, vibrate, push, or place heavy objects on your computer, display, or external devices. Carry your computer carefully. • Use a quality carrying case that provides adequate cushioning and protection. • Do not pack your computer in a tightly packed suitcase or bag. • Before putting your computer in a carrying case, make sure that it is off, in sleep mode, or in hibernation mode.
• 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.
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 and power adapters DANGER Use only the power cords and power adapters supplied by the product manufacturer. The power cords shall be safety approved. For Germany, it shall be H03VV-F, 3G, 0.75 mm2, or better. For other countries, the suitable types shall be used accordingly. Never wrap a power cord around a power adapter or other object.
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.
General battery notice DANGER Batteries supplied by Lenovo for use with your product have been tested for compatibility and should only be replaced with approved parts. A battery other than the one specified by Lenovo, or a disassembled or modified battery is not covered by the warranty. Battery abuse or mishandling can cause overheating, liquid leakage, or an explosion. To avoid possible injury, do the following: • Do not open, dissemble, or service any battery. • Do not crush or puncture the battery.
The Lenovo-authorized repair facilities or technicians recycle Lenovo batteries according to local laws and regulations. When replacing the lithium coin-cell battery, use only the same type or equivalent type that is recommended by the manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of. Swallowing the lithium coin-cell battery will cause chocking or severe internal burns in just two hours and might even result in death.
Heat and product ventilation DANGER Computers, ac power adapters, and many accessories can generate heat when turned on and when batteries are charging. Notebook computers can generate a significant amount of heat due to their compact size. Always follow these basic precautions: • When your computer is turned on or the battery is charging, the base, the palm rest, and some other parts may become hot.
Electrical current safety information DANGER Electric current from power, telephone, and communication cables is hazardous. To avoid a shock hazard: • Do not use your computer during a lightning storm. • Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. • Connect all power cords to a properly wired and grounded electrical outlet. • Connect properly wired outlets to any equipment that will be attached to this product.
Liquid crystal display (LCD) notice CAUTION: The liquid crystal display (LCD) is made of glass, and rough handling or dropping the computer can cause the LCD to break. If the LCD breaks and the internal fluid gets into your eyes or on your hands, immediately wash the affected areas with water for at least 15 minutes; if any symptoms are present after washing, get medical care.
Glass parts notice CAUTION: Some parts of your product may be made of glass. This glass could break if the product is dropped on a hard surface or receives a substantial impact. If glass breaks, do not touch or attempt to remove it. Stop using your product until the glass is replaced by trained service personnel. 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.
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. This section provides information about the ways these users can get the most out of their computer experience. You also can get the most up-to-date accessibility information from the following Web site: https://www.
keyboard with all the standard keys. You can select keys using the mouse or another pointing device, or you can tap to select the keys if your computer supports multi-touch screen. • High Contrast High Contrast is a feature that heightens the color contrast of some text and images on your screen. As a result, those items are more distinct and easier to identify. • Personalized keyboard Adjust keyboard settings to make your keyboard easier to use.
– Change the size of all the items on your screen. 1. Right-click a blank area on the desktop and then click Display settings ➙ Display. 2. Change the item size by following the on-screen instructions. For some applications, your configuration might not take effect until you sign out and then sign in again. – Change the size of the items on a Web page. Press and hold Ctrl, and then press the plus-sign key (+) to enlarge or the minus-sign key (–) to reduce the text size.
Display: Position the display to maintain a comfortable viewing distance of 510 mm to 760 mm (20 inches to 30 inches). Avoid glare or reflections on the display from overhead lighting or outside sources of light. Keep the display screen clean and set the brightness to levels that enable you to see the screen clearly. Press the brightness control keys to adjust display brightness. Head position: Keep your head and neck in a comfortable and neutral (vertical, or upright) position.
Appendix C. Compliance information This appendix provides the various compliance statements for 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. Besides this document, ensure that you read the Regulatory Notice for your country or region before using the wireless devices contained in your computer.
Brazil Este equipamento não tem direito à proteção contra interferência prejudicial e não pode causar interferência em sistemas devidamente autorizados. This equipment is not protected against harmful interference and may not cause interference with duly authorized systems.
국가 보고 및 테스트 요구 사항과 네트워크 대역에 따라 다를 수 있습니다. 본 장치 는 사람의 신체에서 20mm 이상의 거리에서 사용할 수 있습니다. Environmental information by countries and regions This section provides environmental, recycling, and RoHS information about Lenovo products. Recycling and environmental information Lenovo encourages owners of information technology (IT) equipment to responsibly recycle their equipment when it is no longer needed. Lenovo offers a variety of programs and services to assist equipment owners in recycling their IT products.
Japan recycling statements Collecting and recycling 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. Computers and monitors are categorized as industrial waste and should be properly disposed of by an industrial waste disposal contractor certified by a local government.
Equipamentos elétricos e eletrônicos não devem ser descartados em lixo comum, mas enviados à pontos de coleta, autorizados pelo fabricante do produto para que sejam encaminhados e processados por empresas especializadas no manuseio de resíduos industriais, devidamente certificadas pelos orgãos ambientais, de acordo com a legislação local. A Lenovo possui um canal específico para auxiliá-lo no descarte desses produtos.
For proper collection and treatment, go to: https://www.lenovo.com/lenovo/environment Recycling information for Mainland China Battery recycling information for Taiwan Battery recycling information for the United States and Canada Restriction of Hazardous Substances (RoHS) Directive by countries and regions The latest environmental information about Lenovo products is available at: https://www.lenovo.
Ukraine RoHS India RoHS RoHS compliant as per E-Waste (Management) Rules. Mainland China RoHS The information in the following table is applicable to products manufactured on or after January 1, 2015 for sale in the People’s Republic of China. Appendix C.
56 Lenovo Yoga C640-13IML User Guide
Taiwan RoHS Electromagnetic emission notices Federal Communications Commission (FCC) Supplier’s Declaration of Conformity The following information refers to Lenovo Yoga C640-13IML and Lenovo Yoga C640-13IML LTE, machine types 81UE and 81XL. 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 Appendix C.
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. However, there is no guarantee that interference will not occur in a particular installation.
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. Lenovo übernimmt keine Verantwortung für die Einhaltung der Schutzanforderungen, wenn das Produkt ohne Zustimmung der Lenovo verändert bzw. wenn Erweiterungskomponenten von Fremdherstellern ohne Empfehlung der Lenovo gesteckt/eingebaut werden.
注意事項： • 使用30分鐘請休息10分鐘。 • 未滿2歲幼兒不看螢幕，2歲以上每天看螢幕不要超過1小時。 Supplemental information for the Eurasian Union Назначение персональный компьютер для личного и служебного использования, для передачи данных, с поддержкой различных профилей подключения (Wi-Fi, Bluetooth и пр.).
By using ENERGY STAR compliant products and taking advantage of the power management features of your computer, you reduce the consumption of electricity. Reduced electrical consumption contributes to potential financial savings, a cleaner environment, and the reduction of greenhouse gas emissions. For more information about ENERGY STAR, go to https://www.energystar.gov Lenovo encourages you to make efficient use of energy an integral part of your day-to-day operations.
62 Lenovo Yoga C640-13IML User Guide
Appendix D. 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.
