Lenovo ThinkPad L390 User manual

L390, L390 Yoga, S2 4th Gen, and S2 Yoga
4th Gen
User Guide

Read this first
Before using this documentation and the product it supports, ensure that you read and understand the
follo ing:
• Appendix A “Important safety information” on page 65
• Safety and Warranty Guide
• Setup Guide
First Edition (December 2018)
© Copyright Leno o 2018.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or soft are is delivered pursuant to a General Services
Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-
35F-05925.

Contents
About this documentation . . . . . . . . iii
Chapter 1. Meet your computer . . . . . 1
Front . . . . . . . . . . . . . . . . . . . . 1
Base . . . . . . . . . . . . . . . . . . . . 3
Left . . . . . . . . . . . . . . . . . . . . 4
Right . . . . . . . . . . . . . . . . . . . . 6
Bottom . . . . . . . . . . . . . . . . . . . 8
Features. . . . . . . . . . . . . . . . . . . 9
Specifications . . . . . . . . . . . . . . . 10
Chapter 2. Get started with your
computer . . . . . . . . . . . . . . . . 11
Get started ith Windo s 10 . . . . . . . . . 11
Windo s account . . . . . . . . . . . . 11
Windo s user interface . . . . . . . . . . 12
Windo s label . . . . . . . . . . . . . 13
Connect to net orks . . . . . . . . . . . . . 13
Connect to the ired Ethernet . . . . . . . 13
Connect to Wi-Fi . . . . . . . . . . . . 13
Use Lenovo Vantage . . . . . . . . . . . . . 14
Interact ith your computer . . . . . . . . . . 15
Use the keyboard shortcuts . . . . . . . . 16
Use the TrackPoint pointing device . . . . . 17
Use the trackpad . . . . . . . . . . . . 19
Use the multi-touch screen . . . . . . . . 20
Use multimedia . . . . . . . . . . . . . . . 22
Use audio . . . . . . . . . . . . . . . 22
Using the conventional camera . . . . . . . 22
Connect to an external display . . . . . . . 22
Get to kno YOGA modes . . . . . . . . . . 24
Use ThinkPad Pen Pro (for selected models) . . . 25
Chapter 3. Explore your computer . . 27
Manage po er . . . . . . . . . . . . . . . 27
Check the battery status . . . . . . . . . 27
Charge the battery . . . . . . . . . . . . 27
Check the battery temperature . . . . . . . 27
Maximize the battery life . . . . . . . . . 27
Set po er button behaviors . . . . . . . . 27
Set the po er plan . . . . . . . . . . . . 28
Transfer data . . . . . . . . . . . . . . . . 28
Set up a Bluetooth connection . . . . . . . 28
Set up a NFC connection . . . . . . . . . 28
Use a microSD card . . . . . . . . . . . 29
Airplane mode . . . . . . . . . . . . . . . 29
Chapter 4. Accessories . . . . . . . . 31
Purchase options . . . . . . . . . . . . . . 31
Chapter 5. Secure your computer
and information . . . . . . . . . . . . 33
Lock the computer . . . . . . . . . . . . . 33
Use pass ords . . . . . . . . . . . . . . . 33
Pass ord types . . . . . . . . . . . . . 33
Set, change, and remove a pass ord . . . . 34
Use fingerprint authentication (for selected
models) . . . . . . . . . . . . . . . . . . 35
Use face authentication (for selected models) . . . 35
Use fire alls and antivirus programs. . . . . . . 36
Chapter 6. Configure ad anced
settings. . . . . . . . . . . . . . . . . 37
UEFI BIOS . . . . . . . . . . . . . . . . . 37
What is UEFI BIOS . . . . . . . . . . . . 37
Enter the BIOS menu . . . . . . . . . . . 37
Navigate in the BIOS interface . . . . . . . 37
Change the startup sequence . . . . . . . 37
Set the system date and time. . . . . . . . 38
Update UEFI BIOS . . . . . . . . . . . . 38
Recovery information . . . . . . . . . . . . 38
Restore system files and settings to an earlier
point . . . . . . . . . . . . . . . . . 38
Restore your files from a backup . . . . . . 38
Reset your computer . . . . . . . . . . . 38
Use advanced options . . . . . . . . . . 39
Windo s automatic recovery. . . . . . . . 39
Create and use a recovery USB device . . . . 39
Install Windo s 10 and drivers . . . . . . . . . 40
Chapter 7. CRU replacement . . . . . 43
What are CRUs . . . . . . . . . . . . . . . 43
Disable Fast Startup and the built-in battery. . . . 43
Replace a CRU . . . . . . . . . . . . . . . 44
Keyboard . . . . . . . . . . . . . . . 44
Base cover assembly . . . . . . . . . . . 48
Memory module . . . . . . . . . . . . . 50
M.2 solid-state drive . . . . . . . . . . . 52
Coin-cell battery. . . . . . . . . . . . . 56
Chapter 8. Help and support . . . . . 59
FAQ . . . . . . . . . . . . . . . . . . . 59
Error messages . . . . . . . . . . . . . . . 60
Beep errors . . . . . . . . . . . . . . . . 61
Self-help resources . . . . . . . . . . . . . 62
© Copyright Lenovo 2018 i

Call Lenovo . . . . . . . . . . . . . . . . 63
Before you contact Lenovo . . . . . . . . 63
Lenovo Customer Support Center . . . . . . 63
Purchase additional services. . . . . . . . . . 64
Appendix A. Important safety
information . . . . . . . . . . . . . . . 65
Safety notices . . . . . . . . . . . . . . . 65
Important information about using your
computer . . . . . . . . . . . . . . . . . 65
Conditions that require immediate action . . . . . 67
Service and upgrades . . . . . . . . . . . . 68
Po er cords and po er adapters . . . . . . . . 69
Extension cords and related devices. . . . . . . 69
Plugs and outlets . . . . . . . . . . . . . . 70
Po er supply statement . . . . . . . . . . . 70
External devices . . . . . . . . . . . . . . 70
General battery notice . . . . . . . . . . . . 71
Notice for built-in rechargeable battery. . . . . . 71
Lithium coin-cell battery notice . . . . . . . . . 71
Heat and product ventilation . . . . . . . . . . 73
Electrical current safety information . . . . . . . 74
Liquid crystal display (LCD) notice . . . . . . . 75
Use headphones or earphones . . . . . . . . . 75
Choking hazard notice . . . . . . . . . . . . 75
Plastic bag notice . . . . . . . . . . . . . . 75
Glass parts notice . . . . . . . . . . . . . . 76
Static electricity prevention . . . . . . . . . . 76
Operating environment . . . . . . . . . . . . 76
Cleaning and maintenance . . . . . . . . . . 77
Appendix B. Accessibility and
ergonomic information . . . . . . . . 79
Accessibility information . . . . . . . . . . . 79
Ergonomic information . . . . . . . . . . . . 81
Appendix C. Supplemental
information about the Ubuntu operating
system . . . . . . . . . . . . . . . . . 83
Appendix D. Compliance
information . . . . . . . . . . . . . . . 85
Radio frequency compliance statements . . . . . 85
Wireless-related information . . . . . . . . 85
European Union — compliance ith the Radio
Equipment Directive . . . . . . . . . . . 86
Brazil . . . . . . . . . . . . . . . . . 86
Mexico . . . . . . . . . . . . . . . . 87
Singapore . . . . . . . . . . . . . . . 87
Korea . . . . . . . . . . . . . . . . . 87
Environmental information of countries and
regions . . . . . . . . . . . . . . . . . . 87
Recycling and environmental information . . . 87
Important WEEE information . . . . . . . . 87
Japan recycling statements . . . . . . . . 88
Recycling information for Brazil . . . . . . . 89
Battery recycling information for the European
Union . . . . . . . . . . . . . . . . . 89
Recycling information for China . . . . . . . 90
Battery recycling information for Tai an . . . 90
Battery recycling information for the United
States and Canada. . . . . . . . . . . . 90
Restriction of Hazardous Substances (RoHS)
Directive of countries and regions . . . . . . 91
Electromagnetic emission notices. . . . . . . . 93
Federal Communications Commission (FCC)
Supplier’s Declaration of Conformity . . . . . 93
FCC ID and IC Certification information . . . . 94
Industry Canada compliance statement . . . 94
European Union conformity . . . . . . . . 94
German Class B compliance statement. . . . 95
Japan VCCI Class B compliance statement . . 95
Japan compliance statement for products
hich connect to the po er mains ith rated
current less than or equal to 20 A per phase . . 95
Japan notice for ac po er cord . . . . . . . 95
Other compliance information . . . . . . . . . 95
Certification-related information . . . . . . 95
Regulatory labels . . . . . . . . . . . . 96
TCO certification . . . . . . . . . . . . 96
Export classification notice . . . . . . . . 96
Lenovo product service information for
Tai an . . . . . . . . . . . . . . . . 96
Tai an precautionary vision statement . . . . 96
Eurasian compliance mark. . . . . . . . . 96
Brazil audio notice . . . . . . . . . . . . 97
ENERGY STAR model information. . . . . . 97
Appendix E. Notices and
trademarks . . . . . . . . . . . . . . . 99
ii L390, L390 Yoga, S2 4th Gen, and S2 Yoga 4th Gen User Guide

About this documentation
• Illustrations in this documentation might look different from your product.
• Depending on the model, some optional accessories, features, and soft are 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 ithout notice. Lenovo makes constant improvements on the
documentation of your computer, including this User Guide. To get the latest documentation, go to https://
support.lenovo.com.
• Microsoft® makes periodic feature changes to the Windo s® operating system through Windo s Update.
As a result, some information in this documentation might become outdated. Refer to Microsoft resources
for the latest information.
© Copyright Lenovo 2018 iii

i L390, L390 Yoga, S2 4th Gen, and S2 Yoga 4th Gen User Guide

Chapter 1. Meet your computer
Front
Front (for ThinkPad L390 Yoga™ and ThinkPad S2 Yoga 4th Gen computers)
1. Infrared camera* Log in to your computer ith face authentication. See “Use face authentication (for
selected models)” on page 35.
2. Microphones Capture or record sound and voice.
3. Front camera
Take pictures or record videos by clicking Camera from the Start menu. The camera
indicator nearby is on hen in use.
If you use other apps that support photographing, video chatting, and video
conference, the camera starts automatically hen you enable the camera-required
feature from the app.
4. Multi-touch screen* Enable you to use your computer ith simple touch gestures. See “Use the multi-touch
screen” on page 20.
* for selected models
© Copyright Lenovo 2018 1

Front (for ThinkPad L390 and ThinkPad S2 4th Gen computers)
1. Front camera
Take pictures or record videos by clicking Camera from the Start menu. The camera
indicator nearby is on hen in use.
If you use other apps that support photographing, video chatting, and video
conference, the camera starts automatically hen you enable the camera-required
feature from the app.
2. Microphones Capture or record sound and voice.
3. Multi-touch screen* Enable you to use your computer ith simple touch gestures. See “Use the multi-touch
screen” on page 20.
* for selected models
2L390, L390 Yoga, S2 4th Gen, and S2 Yoga 4th Gen User Guide

Base
1. Fingerprint reader* Log in to your computer ith enrolled fingerprints. See “Use fingerprint authentication
(for selected models)” on page 35.
2. Trackpad Perform finger touch and all the functions of a traditional mouse. See “Use the
trackpad” on page 19.
3. NFC mark* Your computer supports NFC (near field communication). You can share information
ith another NFC-enabled device. See “Set up a NFC connection” on page 28.
4. TrackPoint® pointing
device
Perform all the functions of a traditional mouse. See “Use the TrackPoint pointing
device” on page 17.
5. Rear camera*
Take pictures or record videos by clicking Camera from the Start menu. The camera
indicator nearby is on hen in use.
If you use other apps that support photographing, video chatting, and video
conference, the camera starts automatically hen you enable the camera-required
feature from the app.
* for selected models
Chapter 1.Meet your computer 3

Left
1. Pen tether hole The ThinkPad Pen Pro (an electronic pen) might be shipped ith some computer
models. To protect your pen from theft or loss, use a tether to tie the pen through the
pen tether hole.
Notes:
1. The tether does not come ith your computer or the ThinkPad Pen Pro.
2. Do not hang the computer ith the tether.
For more information, see “Use ThinkPad Pen Pro (for selected models)” on page 25.
2. USB-C™ connector Use the connector to transfer data (USB 3.1 Gen 1, 5 Gbps), charge your device (5 V /
3 A), connect to external displays (USB-C to VGA: 1900 x 1200 pixels / 60 Hz, USB-C
to DP: 3840 x 2160 pixels / 60 Hz), or connect to USB-C accessories to help expand
your computer functionality. To purchase USB-C accessories, go to https://
.lenovo.com/accessories.
Note: When the battery po er is belo 10%, the connected USB-C accessories
might not ork correctly.
This connector also orks as the po er connector. Use the shipped USB-C po er
adapter and po er cord to connect the computer to ac po er.
4L390, L390 Yoga, S2 4th Gen, and S2 Yoga 4th Gen User Guide