T490s and X390 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 73 • Safety and Warranty Guide • Setup Guide Third Edition (July 2020) © Copyright Lenovo 2018, 2019, 2020. 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.
Contents About this documentation . . . . . . . . iii Chapter 1. Meet your computer . . . . . 1 Use a smart card . . . . . . . . . . . . Airplane mode . . . . . . . . . . . . . . . 31 31 1 2 4 6 7 8 9 10 Chapter 4. Accessories . . . . . . . . 33 Chapter 2. Get started with your computer . . . . . . . . . . . . . . . . 11 Chapter 5. Secure your computer and information . . . . . . . . . . . . 39 Get started with Windows 10 . . . . Windows account . . . . . . . Windows user interface . . . . .
M.2 solid-state drive . . . . . . . . . . . WWAN card (for selected models) . . . . . . Keyboard (for ThinkPad X390 only) . . . . . 53 56 58 Chapter 8. Help and support . . . . . 65 Frequently asked questions . . . . . Error messages . . . . . . . . . . Beep errors . . . . . . . . . . . Self-help resources . . . . . . . . Call Lenovo . . . . . . . . . . . Before you contact Lenovo . . . Lenovo Customer Support Center . Purchase additional services. . . . . ii T490s and X390 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 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. Infrared camera* Log in to your computer with face authentication. See “Use face authentication (for selected models)” on page 43. 2. ThinkShutter* Slide ThinkShutter to cover or uncover the camera lens. It is designed to protect your privacy. 3. Microphones* Capture or record sound and voice. Take pictures or record videos by clicking Camera from the Start menu. The indicator next to the camera is on when the camera is in use. 4. Camera* 5.
Base ThinkPad T490s ThinkPad X390 2 T490s and X390 User Guide
Press to turn on the computer or put the computer to sleep mode. To turn off the computer, open the Start menu, click Shut down. Power, and then select The indicator in the power button shows the system status of your computer. 1. Power button • Blinking for three times: The computer is initially connected to power. • On: The computer is on. • Off: The computer is off or in hibernation mode. • Blinking rapidly: The computer is entering sleep or hibernation mode.
Left 1. USB-C™ connector (USB 3.1 Gen 1) • Charge your computer. • Charge USB-C compatible devices with the output voltage and current of 5 V and 1.5 A. • Transfer data at USB 3.1 speed, up to 5 Gbps. • Connect to an external display: – USB-C to VGA: 1920 x 1200 pixels, 60 Hz – USB-C to DP: 3840 x 2160 pixels, 60 Hz • Connect to USB-C accessories to help expand your computer functionality. To purchase USB-C accessories, go to https://www.lenovo.com/accessories.
3. Ethernet extension connector Gen 2 Make your computer thinner than the ones with a standard Ethernet connector. Use a ThinkPad Ethernet Extension Adapter Gen 2 to connect your computer to a local area network (LAN) through this connector. The ThinkPad Ethernet Extension Adapter Gen 2 is available as an option and shipped with some computer models only. You can purchase a ThinkPad Ethernet Extension Adapter Gen 2 from Lenovo at: https://www.lenovo.com/accessories.
Right 1. Smart-card slot* Use smart cards for authentication, data storage, and application processing. Within large organizations, you might also use smart cards for strong security authentication of single sign-on (SSO). See “Use a smart card” on page 31. With the Always On USB feature enabled, the Always On USB 3.1 connector Gen 1 can charge a USB-compatible device when the computer is on, off, in sleep mode, or in hibernation mode.
Rear The indicator in the ThinkPad logo on the computer lid and the indicator in the power button show the system status of your computer. • Blinks for three times: The computer is initially connected to power. 1. System status indicator • On: The computer is on (in normal mode). • Off: The computer is off or in hibernation mode. • Blinks rapidly: The computer is entering sleep or hibernation mode. • Blinks slowly: The computer is in sleep mode. 2.
Bottom ThinkPad T490s ThinkPad X390 1. Docking-station hook holes Use the docking-station hook holes to secure a supported docking station. If the computer stops responding and you cannot turn it off by pressing the power button, reset your computer: 2. Emergency-reset hole 1. Disconnect your computer from ac power. 2. Insert a straightened paper clip into the hole to cut off power supply temporarily. 3. Connect your computer to ac power and then turn on your computer. 3.
Features and specifications ThinkPad T490s • Width: 225.8 mm to 226.45 mm (8.89 inches to 8.91 inches) • Depth: 328.8 mm to 329.15 mm (12.94 inches to 12.95 inches) • Thickness: 16.95 mm to 18.05 mm (0.67 inches to 0.71 inches) Dimensions ThinkPad X390 • Width: 217.2 mm (8.55 inches) • Depth: 312 mm (12.28 inches) • Thickness: 17.4 mm to 17.8 mm (0.68 inches to 0.
• Audio connector • Docking-station connector • Ethernet extension connector Gen 2 • HDMI connector Connectors and slots • Nano-SIM-card and microSD-card slot • One Always on USB 3.1 connector Gen 1 • One USB 3.1 connector Gen 1 • One USB-C connector (USB 3.
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.
• Use Windows Search. Launch an app • Open the Start menu and select the app you want to launch. • Use Windows Search. Windows label Your computer might have a Windows 10 Genuine Microsoft label affixed to its cover depending on the following factors: • Your geographic location • Edition of Windows 10 that is preinstalled Go to https://www.microsoft.com/en-us/howtotell/Hardware.aspx for illustrations of the various types of Genuine Microsoft labels.
Connect to a cellular network If your computer has a wireless wide area network (WAN) card and a nano-SIM card installed, you can connect to a cellular data network and get online using the cellular signal. Note: The cellular service is provided by authorized mobile service carriers in some countries or regions. You must have a cellular plan from a service carrier to connect to the cellular network. To establish cellular connection: 1. Turn off the computer. 2.
• Look up warranty status (online). • Access User Guide and helpful articles. Notes: • The available features vary depending on the computer model. • Lenovo Vantage makes periodic updates of the features to keep improving your experience with your computer. The description of features might be different from that on your actual user interface. Interact with your computer Your computer provides you various ways to navigate the screen.
Use the Intelligent Cooling feature The Intelligent Cooling feature enables your computer to work in the following three modes: • Quiet mode : the quietest fan noise • Balanced mode : balanced performance and fan noise • Performance mode : the highest performance and normal fan noise on ac power on battery power For computers with Windows operating system, do the following to select the preferred mode: 1. Click the battery status icon in the Windows notification area. 2.
Use the keyboard shortcuts The special keys on the keyboard help you work more easily and effectively. ThinkPad T490s ThinkPad X390 Open the Start menu. 1. Windows logo key For information about using this key with other keys, see the Windows help information. Switch the letter case between the upper case and lower case. 2. Caps Lock key When the key indicator is on, you can type uppercase letters. Invoke the special function printed as an icon on each key or standard function. 3.
Switch the function of the F1–F12 keys between the standard function and special function printed as an icon on each key. When the Fn Lock indicator is on: • Press F1-F12 to use the standard function. • Press Fn+F1-F12 to use the special function. When the Fn Lock indicator is off: • Press Fn+F1-F12 to use the standard function. • Press F1-F12 to use the special function. Mute or unmute the speakers. When the key indicator is on, the speakers are muted.
Fn+4 Put the computer to sleep mode. To wake up the computer, press Fn or the power button. Fn+D If your computer supports the Privacy Guard feature, press Fn+D to enable or disable this feature. For more information, see “Use privacy protection (for selected models)” on page 15 Fn+Left arrow key Equal the Home key. Fn+Right arrow key Equal the End key.
Disable the TrackPoint pointing device The TrackPoint pointing device is active by default. To disable the device: 1. Open the Start menu, and then click Settings ➙ Devices ➙ Mouse. 2. Follow the on-screen instructions to disable TrackPoint. Replace the pointing-stick nonslip cap Note: Ensure that the new cap has grooves a . Use the trackpad The entire trackpad surface is sensitive to finger touch and movement.
You also can tap anywhere on the surface of the trackpad with two fingers to perform the right-click action. Use the touch gestures Tap Tap anywhere on the trackpad with one finger to select or open an item. Two-finger tap Tap anywhere on the trackpad with two fingers to display a shortcut menu. Two-finger scroll Put two fingers on the trackpad and move them in the vertical or horizontal direction. This action enables you to scroll through the document, Web site, or apps.
Swipe three fingers up Put three fingers on the trackpad and move them up to open the task view to see all your open windows. Swipe three fingers down Put three fingers on the trackpad and move them down to show the desktop. Notes: • When using two or more fingers, ensure that you position your fingers slightly apart. • Some gestures are not available if the last action was done from the TrackPoint pointing device. • Some gestures are only available when you are using certain apps.
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. Chapter 2.
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. Tips • Turn off the computer before cleaning the multi-touch screen.
3. To take a photo, click the camera icon. If you want to record video, click the video icon to switch to video mode. If you use other programs that provide features such as photographing, video capturing, and video conference, the camera starts automatically when you enable the camera-required feature. Connect to an external display Connect your computer to a projector or a monitor to give presentations or expand your workspace. Connect to a wired display 1.
• Click the action center icon in the Windows notification area and click Connect. Select the wireless display and follow the on-screen instructions. Set the display mode Press or and then select a display mode of your preference. • Duplicate these displays: Display the same video output on both your computer screen and an external display. • Extend these displays: Extend the video output from your computer display to an external display. You can drag and move items between the two displays.
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 and temperature Check the battery status The battery status icon or is in the Windows notification area. You can click the icon to check the battery status, view the current power plan, change the power mode, and access battery settings quickly.
The remaining battery power of computer A should be at least 30% and be 3% higher than that of computer B. To check the battery status, see “Check the battery status and temperature” on page 27. Connect the computers to each other with a USB-C to USB-C cable. In this situation, computer A works as the power supply. Once the remaining battery power of computer A is lower than 30%, computer A stops supplying power to computer B.
Table 1. Default power plan (when plugged into ac power) • Turn off the display: After 10 minutes • Put the computer to sleep: After 30 minutes To reset the power plan to achieve the best balance between performance and power saving: 1. Right-click the battery status icon and select Power Options. 2. Choose or customize a power plan of your preference. Transfer data Quickly share your files using the built-in Bluetooth or NFC technology among devices with the same features.
Pair with an NFC card or NFC-enabled smartphone Before you start, ensure that: • The card is in NFC Data Exchange Format (NDEF), otherwise the card cannot be detected. • The smartphone screen is facing upward. To pair with an NFC card or smartphone: 1. Place the card or smartphone closely near the NFC mark or label area on your computer. 2. Slowly move the card or smartphone around the NFC mark or label until you are prompted that the device has been successfully detected.
2. Ensure that the new microSD card is installed in correct orientation. Install a new microSD card into the tray with the metal contacts facing downward. Insert the tray into the nano-SIM card and microSD card slot until you hear a click. Use a smart card If your computer has a smart-card slot, read the following information. Supported smart card Supported smart card specifications: 85.60 mm (3.37 inches) x 53.98 mm (2.13 inches) Attention: Smart cards with slits are not supported.
2. Click Settings ➙ Network & Internet ➙ Airplane mode. 3. Turn on or turn off the Airplane mode switch.
Chapter 4. Accessories This chapter provides instructions on how to use hardware accessories to expand your computer capabilities. Purchase options Lenovo has a number of hardware accessories and upgrades to help expand the capabilities of your computer. Options include memory modules, storage devices, network cards, port replicators or docking stations, batteries, power adapters, keyboards, mice, and more. To shop at Lenovo, go to https://www.lenovo.com/accessories.
Front view Note: The following illustration is based on ThinkPad Basic Docking Station. The ThinkPad Pro Docking Station and ThinkPad Ultra Docking Station might look slightly different. Use the system lock in the following ways: • Locked position computer. 1. System lock : The latch is locked, and you cannot attach or detach your • Unlocked position your computer. : The latch is unlocked, and you can attach or detach • Removal position slot.
Rear view Figure 1. ThinkPad Basic Docking Station Figure 2. ThinkPad Pro Docking Station Figure 3. ThinkPad Ultra Docking Station Connectors ThinkPad Basic Docking Station ThinkPad Pro Docking Station ThinkPad Ultra Docking Station 1. Audio connector √ √ √ 2. ac power connector √ √ √ 3. DisplayPort® connector √ √ √ 4. VGA connector √ 5. USB 2.0 connector √ √ 6. Always On USB 3.1 connector Gen 1 √ √ 7. USB 3.1 connector Gen 1 √ √ 8. Ethernet connector √ √ √ 9.
Note: The security-lock slot supports cable locks that conform to the Kensington MicroSaver lock standards (using T-bar locking technology) or MiniSaver lock standards (using Cleat locking technology). Attach a docking station Notes: • The ThinkPad Basic Docking Station does not ship with a system lock installed. If you do not purchase and install a system lock, skip step 4 and step 7 in the following instruction.
5. Check the docking status indicator. The docking status indicator turns on when the computer is successfully docked. Note: If the indicator is off, your computer is not attached to the docking station successfully. To solve the problem, detach and reattach the computer. 6. Turn the system lock key to the locked position ( ). Attention: When the computer is attached to a docking station, always hold the whole assembly when you need to move your computer. Otherwise the docking station might drop down.
2. Slide the latch in the direction as shown 1 to release the computer, and then grasp both sides of the computer to remove it 2 . Connect multiple external displays You can connect multiple external displays to a supported docking station. To ensure that the multiple displays work correctly, observe the following guidelines and connect the external displays to the appropriate connectors.
Chapter 5. Secure your computer and information Lock the computer Lock your computer to a desk, table, or other fixtures through a compatible security cable lock. Note: The slot supports cable locks that conform to the Kensington MicroSaver® lock standards (using Tbar™ locking technology) or MiniSaver® lock standards (using Cleat™ locking technology). You are responsible for evaluating, selecting, and implementing the locking device and security feature.
Supervisor password The supervisor password protects the system information stored in UEFI BIOS. When entering the UEFI BIOS menu, enter the correct supervisor password in the window prompted. You also can press Enter to skip the password prompt. However, you cannot change most of the system configuration options in UEFI BIOS. If you have set both the supervisor password and power-on password, you can use the supervisor password to access your computer when you turn it on.
• A Trusted Computing Group (TCG) Opal-compliant storage drive and a TCG Opal management software program are installed in the computer, and the TCG Opal management software program is activated. • An eDrive storage drive is installed in the computer preinstalled with the Windows 10 operating system. Set, change, and remove a password Before you start, print these instructions. 1. Restart the computer. When the logo screen is displayed, press F1 to enter the UEFI BIOS menu. 2.
4. Type the current supervisor password in the Enter Current Password field. Then, leave the Enter New Password field blank, and press Enter twice. 5. In the Changes have been saved window, press Enter. 6. Press F10 to save changes and exit the UEFI BIOS menu. • If you have not set a supervisor password, contact a Lenovo authorized service provider to have the system management password removed.
Attention: If you always use your fingerprint to log in to the computer, you might forget your passwords. Write down your passwords, and keep them in a safe place. Maintain the fingerprint reader To ensure that the fingerprint reader works correctly, do not: • Scratch the surface of the reader with anything hard. • Use or touch the reader with a wet, dirty, wrinkled, or injured finger.
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Chapter 6. Configure advanced settings This chapter provides information about UEFI BIOS, RAID, recovery, operating system installation, and system management. UEFI BIOS This section introduces what is UEFI BIOS and the operations you can perform in UEFI BIOS. What is 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.
4. Press F10 to save the changes and exit. To change the startup sequence temporarily: 1. Restart the computer. When the logo screen is displayed, press F12. 2. Select the device that you want the computer to start from and press Enter. Set the system date and time 1. Restart the computer. When the logo screen is displayed, press F1. 2. Select Date/Time and set the system date and time as desired. 3. Press F10 to save changes and exit.
Use advanced options Note: The items in the graphical user interface (GUI) might change without notice. 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. Windows automatic recovery Note: Ensure that your computer is connected to ac power during the recovery process.
Install Windows 10 and drivers This section provides instructions on installing a Windows 10 operating system and device drivers. Install a Windows 10 operating system Microsoft constantly makes updates to the Windows 10 operating system. Before installing a particular Windows 10 version, check the compatibility list for the Windows version. For details, go to https:// support.lenovo.com/us/en/solutions/windows-support.
• Open Lenovo Vantage to check the available update packages. Select the update packages you want, and then follow the on-screen instructions to download and install the packages. • Go to https://support.lenovo.com and select the entry for your computer. Then, follow the on-screen instructions to download and install necessary drivers and software. Chapter 6.
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Chapter 7. CRU replacement What are CRUs Customer Replaceable Units (CRUs) are parts that can be upgraded or replaced by the customer. The 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.
To disable the built-in battery: 1. Restart your computer. When the logo screen is displayed, immediately press F1 to enter the UEFI BIOS menu. 2. Select Config ➙ Power. The Power submenu is displayed. 3. Select Disable Built-in Battery and press Enter. 4. Select Yes in the Setup Confirmation window. The built-in battery is disabled and the computer turns off automatically. Wait three to five minutes to let the computer cool. Replace a CRU Follow the replacement procedure to replace a CRU.
5. Install a new base cover assembly in place 1 . Press the left and right sides of the base cover assembly as shown 2 , and then tighten the screws in ascending alphabetical order (a to e) as illustrated 3 . 6. Turn the computer over. Connect the ac power adapter and all disconnected cables to the computer. Troubleshooting If the computer does not start up after you reinstall the base cover assembly, disconnect the ac power adapter and then reconnect it to the computer. M.
Replacement procedure for the long M.2 solid-state drive 1. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 51. 2. Turn off the computer and disconnect the computer from ac power and all connected cables. 3. Close the computer display and turn the computer over. 4. Remove the base cover assembly. See “Base cover assembly” on page 52. 5. Remove the screw that secures the M.2 solid-state drive 1 . Then remove the drive out of the slot 2 . 6. Install a new M.
7. Reinstall the base cover assembly. 8. Turn the computer over. Connect the ac power adapter and all disconnected cables to the computer. Replacement procedure for the short M.2 solid-state drive 1. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 51. 2. Turn off the computer and disconnect the computer from ac power and all connected cables. 3. Close the computer display and turn the computer over. 4. Remove the base cover assembly.
6. Install a new M.2 solid-state drive by doing the following: a. Align the contact edge of the new M.2 solid-state drive with the key in the slot. Then, carefully insert the drive into the slot 1 . b. Put the bracket in place 2 . Then, install the screws to secure the bracket 3 . 7. Reinstall the base cover assembly. 8. Turn the computer over. Connect the ac power adapter and all disconnected cables to the computer.
5. Remove the wireless-WAN card by doing the following: Note: A Mylar film might cover the wireless-WAN card. To access the wireless-WAN card, open the film first. a. Hold the cable connector with your fingers and gently disconnect each cable from the wireless-WAN card 1 . Then, remove the screw that secures the wireless-WAN card 2 . The card is released from the secured position and pivots upward. b. Carefully remove the wireless-WAN card out of the slot 3 . Chapter 7.
6. Install a new wireless-WAN card by doing the following: a. Align the contact edge of the new wireless-WAN card with the key in the slot. Then, carefully insert the card into the slot at an angle of about 20 degrees 1 . Pivot the card downward 2 . b. Install the screw to secure the wireless-WAN card in place 3 . Connect the antenna cables to the card 4 . Ensure that you connect the orange cable to the main connector on the card, and the blue cable to the auxiliary connector on the card. 7.
3. Take the tool out of the new keyboard packaging. Insert the tabs a and b into the slot between the TrackPoint buttons and the trackpad 1 . Slightly pivot the tool downward 2 to release the left and right TrackPoint buttons. Then, remove the two TrackPoint buttons 3 . 4. Loosen the screws that secure the keyboard. Chapter 7.
5. Insert the tabs c and d into the two dents near the two screw heads as shown. 6. Pivot the tool in the direction as shown to release the keyboard 1 . Push the keyboard in the direction as shown by arrows 2 to release the latches from the keyboard bezel. 7. Pivot the keyboard slightly upward as shown by arrow 1 . Then, turn the keyboard over as shown by arrow 2 .
8. Put the keyboard on the palm rest as shown and detach the connectors. Then, remove the keyboard. 9. Attach the connectors and turn the keyboard over as shown. Chapter 7.
10. Insert the keyboard into the keyboard bezel as shown. Ensure that the front edge of the keyboard (the edge that is close to the display) is under the keyboard bezel. 11. Slide the keyboard in the direction as shown by the arrows. Ensure that the latches are secured under the keyboard frame.
12. Tighten the screws to secure the keyboard. 13. Take the new TrackPoint buttons out of the new keyboard packaging. Install the TrackPoint buttons as shown. 14. Connect the ac power adapter and all disconnected cables to the computer. Chapter 7.
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Chapter 8. Help and support Frequently asked questions How do I access Control Panel? • Open the Start menu and click Windows System ➙ Control Panel. • Use Windows Search. How do I turn off my computer? Open the Start menu and click How do I partition my storage drive? https://support.lenovo.com/solutions/ht503851 Power. Then, click Shut down. 1. Press and hold the power button until the computer turns off. Then, restart the computer. 2.
Error messages If you see a message that is not included in the following table, record the error message first, then shut down the computer and call Lenovo for help. See “Lenovo Customer Support Center” on page 71. Message Solution 0190: Critical low-battery error The computer turned off because the battery power is low. Connect the ac power adapter to the computer and charge the batteries. 0191: System Security - Invalid remote change requested The system configuration change has failed.
Message Solution Note: This error indicates that the operating system or programs cannot create, modify, or delete data in the non-volatile system UEFI variable storage due to insufficient storage space after POST. Error: The non-volatile system UEFI variable storage is nearly full. The non-volatile system UEFI variable storage is used by the UEFI BIOS and by the operating system or programs. This error occurs when the operating system or programs store large amounts of data in the variable storage.
Beep errors Lenovo SmartBeep technology enables you to decode beep errors with your smartphone when a black screen occurs with beeps from your computer. To decode the beep error with Lenovo SmartBeep technology: 1. Go to https://support.lenovo.com/smartbeep or scan the following QR Code. 2. Download the proper diagnostic app and install it on your smartphone. 3. Run the diagnostic app and place the smartphone near the computer. 4. Press Fn on your computer to emit the beep again.
Self-help resources Use the following self-help resources to learn more about the computer and troubleshoot problems. Resources How to access? Use Lenovo Vantage to: • Configure device settings. • Download and install UEFI BIOS, drivers, and firmware updates. • Secure your computer from outside threats. • Open the Start menu and click Lenovo Vantage. • Use Windows Search. • Diagnose hardware problems. • 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.
ThinkPad X390 Lenovo Customer Support Center During the warranty period, you can call Lenovo Customer Support Center for help. Telephone numbers For a list of the Lenovo Support phone numbers for your country or region, go to https:// pcsupport.lenovo.com/supportphonelist for the latest phone numbers. Note: Phone numbers are subject to change without notice. If the number for your country or region is not provided, contact your Lenovo reseller or Lenovo marketing representative.
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 overheat, liquid leakage, or an explosion. To avoid possible injury: • 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.
Basic maintenance tips Here are some basic points about keeping your computer functioning properly: • If possible, place your computer in a well-ventilated and dry area without direct exposure to sunshine. • Store packing materials safely out of the reach of children to prevent the risk of suffocation from plastic bags. • Keep your computer away from magnets, activated cellular phones, electrical appliances, or speakers (more than 13 cm or 5 inches).
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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. Supplemental information about the Linux operating system In limited countries or regions, Lenovo offers customers an option to order computers with the preinstalled Linux® operating system. If the Linux 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.
Locate the UltraConnect wireless antennas Your computer has an UltraConnect™ wireless antenna system. You can enable wireless communication wherever you are.
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∼2483.5 , 5725∼5825 무선제품해당) 해당 무선설비가 전파혼신 가능성이 있으므로 인명안전과 관련된 서비스는 할 수 없음 SAR 정보 본 장치는 전파 노출에 대한 가이드라인을 충족합니다. 본 장치는 무선 송수신기 입니다.
accordance with local regulations concerning waste electrical and electronic equipment (WEEE). These regulations determine the framework for the return and recycling of used appliances as applicable within each geography. This label is applied to various products to indicate that the product is not to be thrown away, but rather put in the established collection systems for reclaiming these end of life products.
Disposal of a lithium battery must comply with local ordinances and regulations. Dispose of a disused battery from Lenovo notebook computers Your Lenovo notebook computer has a lithium ion battery or a nickel metal hydride battery. If you are a company employee who uses a Lenovo notebook computer and need to dispose of a battery, contact the proper person in Lenovo sales, service, or marketing, and follow that person's instructions. You also can refer to the instructions at: https://www.lenovo.
and accumulators on the environment and human health due to the potential presence of hazardous substances. Before placing electrical and electronic equipment (EEE) in the waste collection stream or in waste collection facilities, the end user of equipment containing batteries and/or accumulators must remove those batteries and accumulators for separate collection.
Battery recycling information for the United States and Canada 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 the following products: • ThinkPad T490s, machine types: 20NX and 20NY • ThinkPad X390, machine types: 20Q0, 20Q1, 20SC and 20SD 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.
Lenovo is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment. Unauthorized changes or modifications could void the user’s authority to operate the equipment. This device complies with Part 15 of the FCC Rules.
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.
Certification-related information Product name Compliance ID Machine types ThinkPad T490s TP00105A 20NX and 20NY TP00106A 20Q0, 20Q1, 20SC and 20SD ThinkPad T490s LTE (for mainland China only) ThinkPad X390 ThinkPad X390 LTE (for mainland China only) The latest compliance information is available at: https://www.lenovo.
• 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.).
ENERGY STAR model information ENERGY STAR is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy aimed at saving money and protecting the environment through energy efficient products and practices. 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.
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.
