Lenovo Yoga C740 Series 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 39 • Safety and Warranty Guide • Setup Guide First Edition (May 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 4 8 10 12 13 13 Chapter 2.
ii Lenovo Yoga C740 Series 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.
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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 C740-14IML 1. Speakers Produce sound. 2. Keyboard Enter characters and interact with programs. Note: The keyboard also includes hotkeys and function keys for changing settings and performing tasks quickly. 3. Fingerprint reader Enroll and read your fingerprint for user authentication. 4. Touchpad Perform finger touch and all the functions of a traditional mouse. Note: The touchpad also supports multi-touch function.
C740-15IML 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. Numeric keypad To enable or disable the numeric keypad, press the Num Lock key. Note: If the Num Lock light is on, the numeric keypad is in use. 3. Fingerprint reader Enroll and read your fingerprint for user authentication. 4. Touchpad Perform finger touch and all the functions of a traditional mouse.
Left C740-14IML 1. Power connector / USB Type-CTM connector (USB 3.1 Gen 1) • Connect to ac power with the included power cord and ac power adapter. • When not connected with the ac power adapter, it acts as a USB Type-C connector. For more information about this connector, see USB Type-C connector (USB 3.1 Gen 1). Note: An appropriate USB Type-C cable is required for connecting external devices. 2. Charging status indicator Indicate whether the computer is connected to ac power.
3. USB Type-C connector (USB 3.1 Gen 1) • Charge your computer. • Charge USB Type-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: – USB Type-C to VGA: Maximum 1900 x 1200 pixels, 60 Hz – USB Type-C to DP: Maximum 3840 x 2160 pixels, 60 Hz – USB Type-C to HDMI: Maximum 3840 x 2160 pixels, 60 Hz • Supply power to another computer using P-to-P (Peer to Peer) 2.0 charging function. See “Use P-to-P 2.
C740-15IML 1. Power connector / USB Type-C connector (USB 3.1 Gen 1) • Connect to ac power with the included power cord and ac power adapter. • When not connected with the ac power adapter, it acts as a USB Type-C connector. For more information about this connector, see USB Type-C connector (USB 3.1 Gen 1). Note: An appropriate USB Type-C cable is required for connecting external devices. 2. Charging status indicator Indicate whether the computer is connected to ac power.
3. USB Type-C connector (USB 3.1 Gen 1) • Charge your computer. • Charge USB Type-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: – USB Type-C to VGA: Maximum 1900 x 1200 pixels, 60 Hz – USB Type-C to DP: Maximum 3840 x 2160 pixels, 60 Hz – USB Type-C to HDMI: Maximum 3840 x 2160 pixels, 60 Hz • Supply power to another computer using P-to-P (Peer to Peer) 2.0 charging function. See “Use P-to-P 2.
Right C740-14IML 1. Always On USB Type-A connector (USB 3.1 Gen 1) The always-on connector can charge external devices when the computer is turned off, in sleep or hibernation mode. Note: The always-on function can be turned on or off in one or more of the following software: Lenovo Vantage Lenovo PC Manager UEFI/BIOS Setup utility 2. Power button (with power indicator) Press to turn on the computer or put the computer to sleep mode.
C740-15IML 1. Always On USB Type-A connectors (USB 3.1 Gen 1) The always-on connector can charge external devices when the computer is turned off, in sleep or hibernation mode. Note: The always-on function can be turned on or off in one or more of the following software: Lenovo Vantage Lenovo PC Manager UEFI/BIOS Setup utility 2. Power button (with power indicator) Press to turn on the computer or put the computer to sleep mode. To turn off the computer, open the Start menu, click then select Shut down.
Bottom C740-14IML 1. Novo button When the computer is off, press this button to start the System Recovery or the BIOS setup utility, or to enter the boot menu. 2. Ventilation slots Dissipate heat.
C740-15IML 1. Novo button When the computer is off, press this button to start the System Recovery or the BIOS setup utility, or to enter the boot menu. 2. Ventilation slots Dissipate heat. 3. Speakers Produce sound. Chapter 1.
Features and specifications Dimensions C740-14IML • Width: 321.8 mm (12.67 inches) • Depth: 214.6 mm (8.44 inches) • Thickness: – Front: 14.9 mm (0.58 inches) – Rear: 16.9 mm (0.67 inches) C740-15IML • Width: 357.8 mm (14.08 inches) • Depth: 235.35 mm (9.27 inches) • Thickness: – Front: 16.02 mm (0.63 inches) – Rear: 18.25 mm (0.72 inches) ac power adapter 100 V to 240 V ac, 50 Hz to 60 Hz Battery pack C740-14IML • 51 Wh • 4 cells C740-15IML • 60.
Connectors and slots • Audio connector C740-14IML • Always On USB Type-A connector (USB 3.1 Gen 1) • Two USB Type-C connectors (USB 3.1 Gen 1) C740-15IML • Two Always On USB Type-A connectors (USB 3.1 Gen 1) • Two USB Type-C connectors (USB 3.1 Gen 1) Wireless features • Bluetooth • Wireless LAN Others • Camera • Microphones • Stereo speakers • Novo button * for selected models Note: The battery capacity is the typical or average capacity as measured in a specific test environment.
Relative humidity • Operating: 8% to 95% at wet-bulb temperature 23°C (73°F) • Storage: 5% to 95% at wet-bulb temperature 27°C (81°F) 14 Lenovo Yoga C740 Series 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 desktop 1. Account Change account settings, lock the computer, or sign out of the current account. 2. Settings Open Settings. 3. Power Shut down, restart, or put the computer to sleep mode. 4. Start button Open the Start menu. 5. Windows Search Enter what you are looking for in the search box and get search results from your computer and the Web. 6. Task View Display all opened apps and switch between them. 7. Windows notification area Display notifications and status of some features.
Open an app • Open the Start menu and select the app you want to open. • 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.
Note: Click Expand if you cannot find the airplane mode icon. Interact with your computer YOGA modes The display panel can be opened to any angle, up to 360 degrees. The orientation of the contents of your display changes automatically when you rotate the display to a different angle. To prevent automatic orientation, you can turn on the Rotation lock located in the action center. Attention: • Do not open the display with too much force, as this can damage the panel or hinges.
Stand mode Notebook mode Tablet mode Tent mode Multi-touch gestures If your computer display supports multi-touch function, you can navigate the screen with simple touch gestures. 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. Chapter 2.
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 (Base Pen II) Selected models are equipped with Lenovo Digital Pen (Base Pen II). 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 (Base Pen II) 1 2 1 Eraser button 2 Click button You can perform the following operations with the Lenovo Digital Pen (Base Pen II): Tap once To click or make a selection, tap the display once.
Tap and hold To right-click, tap the display and hold the pen there for one second. Alternatively, you can press and hold the click button 2 and tap the display. Erase To erase ink, press and hold the eraser button 1 , tap the display, and drag the pen across the ink you want to erase. Charge Lenovo Digital Pen (Base Pen II) 1. Ensure that your computer is on or in sleep mode. 2. Insert the pen back into the pen slot. The pen is 80% charged in about 15 seconds and 100% charged in about five minutes.
Hotkey mode Some hotkeys share keys with functions keys (F1 to F12). The hotkey mode is a UEFI/BIOS setting that changes how hotkeys (or function keys) are used. Hotkey mode setting How to use hotkeys How to use function keys Disabled Hold down the Fn key and press one of the hotkeys. Press the function keys directly. Enabled Press the hotkeys directly. Hold down the Fn key and press one of the function keys.
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Chapter 3. Explore your computer Manage power Use the information in this section to achieve the best balance between performance and power efficiency. 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.
• The remaining battery power of computer A is at least 30% and is 3% higher than that of computer B. Once the remaining power of computer A is lower than 30%, it stops supplying power to computer B. To check the battery status, see “Check the battery status” on page 27. Check the battery temperature You can check the battery temperature in Lenovo Vantage or Lenovo PC manager. Step 1. Open Lenovo Vantage. Step 2. Click Hardware Settings ➙ Power. Step 3.
Open the UEFI/BIOS setup utility Step 1. Turn on or restart the computer. Step 2. When the Lenovo logo appears on the screen, press F2 repeatedly. Note: For computers with hotkey mode enabled, press Fn + F2. Change startup sequence You may need to change startup sequence to allow the computer to start from another device or a network location. Step 1. Open the UEFI/BIOS setup utility. Step 2. Navigate to the Boot menu. Step 3.
Password type Pre-requisite Usage Administrator password No You must enter it to start the setup utility. User password The administrator password must be set. You can use the user password to start the setup utility. Master hard disk password No You must enter it to start the operating system. User hard disk password The master hard disk password must be set. You can use the user hard disk password to start the operating system.
Set user password You must set the administrator password before you can set the user password. The administrator of the setup utility might need to set a user password for use by others. Step 1. Open the UEFI/BIOS setup utility using the administrator password. Step 2. Select Security ➙ Set User Password and press Enter. Step 3. Enter a password string that contains only letters and numbers and then press Enter. The user password must be different from the administrator password. Step 4.
To change or remove master password, select Change Master Password and press Enter. Note: If you remove the master hard disk password, the user hard disk password is also removed. To change user password, select Change User Password and press Enter. Note: The user hard disk password cannot be removed separately. Step 4. Select Exit ➙ Exit Saving Changes. Reset or restore Windows This section introduces the recovery options of Windows 10. Ensure that you read and follow the on-screen recovery instructions.
Step 2. Select the System Protection tab and then select Create. Note: System protection must be turned on for the system drive (typically with drive letter C) before you can create restore points. Select a drive and then select Configure to turn on or disable system protection. Restore from a system restore point Step 1. In Windows 10 search box, enter Recovery and select the matched result. Step 2. Select Open System Restore ➙ Next. Step 3. Select a restore point and then select Next ➙ Finish.
Note: For computers without a USB Type-A connector, you may need to purchase and use an adapter (USB Type-C to Type-A) to use a recovery drive. Step 2. On the Choose an option screen, select Troubleshoot. Step 3. Choose a recovery option. Select Advanced Options ➙ System Restore to restore your computer to a system restore point. Or select Recover from a drive to reset your computer.
