Lenovo ThinkPad USB-C Dock Gen 2 User manual

ThinkPad USB-C Dock Gen 2
User Guide

https://www.lenovo.co /safety
Note: Before using this docu entation and the product it supports, ensure that you read and understand
the warranty infor ation in the docu entation that co es with the product.
First Edition (March 2019)
© Copyright Lenovo 2019.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services
Ad inistration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-
35F-05925.

Contents
Chapter 1. bout the dock . . . . . . . 1
Product description . . . . . . . . . . . . . . 1
Operating syste require ent . . . . . . . . . . 1
In the box . . . . . . . . . . . . . . . . . . 1
Product overview . . . . . . . . . . . . . . . 2
Chapter 2. Set up the dock . . . . . . . 5
Install the dock . . . . . . . . . . . . . . . . 5
Install the dock driver . . . . . . . . . . . . . 5
Chapter 3. Use the dock. . . . . . . . . 7
Use the video output connectors . . . . . . . . . 7
Supported resolution . . . . . . . . . . . . 7
Configure the external displays . . . . . . . . 7
Use the Ethernet connector . . . . . . . . . . . 8
Use the audio connector . . . . . . . . . . . . 8
Chapter 4. Troubleshooting . . . . . . . 9
ppendix . ccessibility
information . . . . . . . . . . . . . . . 11
ppendix B. Trademarks . . . . . . . 13
© Copyright Lenovo 2019 i

ii ThinkPad USB-C Dock Gen 2 User Guide

Chapter 1. bout the dock
Product description
The dock is an expansion odule. You can use it to connect your co patible co puter to a local area
network (LAN) and ultiple devices, such as a headset, external displays, and Universal Serial Bus (USB)
devices.
To view the co patible co puters,
1. Go to https://support.lenovo.co /us/en/solutions/accs-guide.
2. Select ThinkPad, ThinkCentre, ThinkStation, Ideapad and Ideacentre Option Compatibility Matrix.
Then follow the on-screen instructions.
Operating system requirement
• Microsoft® Windows® 7
• Microsoft Windows 10
In the box
• ThinkPad USB-C Dock Gen 2
• ac power adapter
• Power cord
• USB-CTM cable
• Docu entation
Contact your place of purchase if any ite is issing or da aged. Ensure that you retain your proof of
purchase and packing aterial. They ight be required to receive warranty service.
© Copyright Lenovo 2019 1

Product overview
HDMI
1 Power button
• When the dock is connected to ac power but not your co puter, press the dock
power button to turn off or turn on the dock. The indicator on the dock power button
shows the dock status:
– mber: The dock is on.
– Off: The dock is off.
• When the dock is connected to both your co puter and the ac power adapter, the
indicator on the dock power button shows the co puter status:
– Solid white: The co puter is on.
– Blinking white: The co puter is in sleep ode.
– Off: The co puter is off or in hibernation ode.
2 Security-lock slot Lock the dock to a desk, table, or other fixture through a co patible security cable
lock.
3 Audio connector Connect a headphone or a headset with a 3.5- (0.14-inch) and 4-pole plug.
4 10 USB 3.1 connector
Gen 2 Connect a USB-co patible device to transfer data at USB 3.1 speed, up to 10 Gbps.
5 USB-C connector (USB
3.1 Gen 2)
Connect a USB-C co patible device to transfer data at USB 3.1 speed, up to 10
Gbps.
2ThinkPad USB-C Dock Gen 2 User Guide

6 USB-C connector (for
connecting co puter) Connect to your co puter with the acco panying USB-C cable.
7 Power connector Connect to ac power with the acco panying ac power adapter and power cord.
8 9 DisplayPort® connector Connect to an external display with a DisplayPort cable.
11 Ethernet connector Connect to a LAN with an Ethernet cable.
12 13 USB 2.0 connector
Connect a USB-co patible device, such as a USB keyboard or a USB ouse.
Note: For opti al data transfer, connect a USB 3.1 device to a USB 3.1 connector
Gen 2 instead of a USB 2.0 connector.
14 Always On USB 3.1
connector Gen 2
• When the dock is connected to ac power (no atter the dock is connected to your
co puter or not), charge a USB-co patible device with the output voltage and
current of up to 5 V and 3 A.
• Connect a USB-co patible device to transfer data at USB 3.1 speed, up to 10
Gbps.
15 HDMITM connector Connect to an external display with a High-Definition Multi edia Interface (HDMI)
cable.
Notice on USB transfer rate
Depending on any factors such as the processing capability of the host and peripheral devices, file
attributes, and other factors related to syste configuration and operating environ ents, the actual data
transfer rate will be slower than 10 Gbit/s on USB 3.1 Gen 2 connectors.
Chapter 1.About the dock 3

4ThinkPad USB-C Dock Gen 2 User Guide

Chapter 2. Set up the dock
Install the dock
Use the acco panying ac power adapter, power cord, and USB-C cable to install the dock. The dock
supplies power to the co puter when the dock is connected to ac power and your co puter.
HDMI
Install the dock driver
The dock driver is preinstalled on co patible co puters and the dock is ready for use after you connect it to
ac power and co puter.
You also can download the latest dock driver fro the Lenovo Web site by doing the following:
1. Go to https://www.lenovo.co /support/docks.
2. Select the entry for the dock and then follow the on-screen instructions.
© Copyright Lenovo 2019 5

6ThinkPad USB-C Dock Gen 2 User Guide

Chapter 3. Use the dock
Use the video output connectors
The dock has three video output connectors to support up to three external displays:
•Two DisplayPort connectors (support DisplayPort 1.4)
• One HDMI connector (supports HDMI 2.0)
HDMI
Supported resolution
Depending on the USB-C connector or Thunderbolt 3 connector on your co puter, the dock supports the
following display resolutions:
• If the USB-C connector or Thunderbolt 3 connector supports DisplayPort 1.4,
–One video output connector: up to 3840 x 2160 pixels / 60 Hz
– Two video output connectors: up to 3840 x 2160 pixels / 30 Hz
–Three video output connectors: up to 1920 x 1080 pixels / 60 Hz
• If the USB-C connector or Thunderbolt 3 connector supports DisplayPort 1.2,
–One video output connector: up to 3840 x 2160 pixels / 30 Hz
– Two video output connectors: up to 1920 x 1080 pixels / 60 Hz
Note: Do not connect three external displays to the dock, because the display resolution is low.
For the axi u display atrix, go to https://support.lenovo.co /us/zh/solutions/pd029622#USB-C%20dock
and select the entry for the dock.
Configure the external displays
You can configure the external displays connected to your dock:
•Set the display ode: extend, irror or duplicate, or single display
• Set the orientation, brightness, resolution, color, and ore.
To configure the external displays:
1. Right-click a blank area on the desktop and select Screen resolution (Windows 7) or Display settings
(Windows 10).
2. Select the display that you want to configure.
3. Configure display settings of your preference.
For ore infor ation, see the Windows help infor ation.
© Copyright Lenovo 2019 7

Use the Ethernet connector
You can use the Ethernet connector on the dock to connect your co puter to a standard 10 Mbps, 100
Mbps, or 1000 Mbps network with an Ethernet cable.
The Ethernet connector has two network status indicators. When the green indicator is on, the co puter is
connected to a LAN. When the yellow indicator blinks, data is being trans itted.
Depending on your co puter, so e of the following functions are available when the dock is connected to a
LAN.
• Preboot eXecution Environ ent
• MAC address Pass Through
• Wake on LAN
• Wake on LAN fro Dock
To view the functions supported by your co puter, go to https://support.lenovo.co /us/en/solutions/accs-
guide. Select Network function support – Option Compatibility Matrix. Then follow the on-screen
instructions.
Use the audio connector
To use the audio connector on the dock, ensure that the dock is the default audio device of your co puter.
To set the dock as the default audio device:
1. Right-click the speaker icon in the Windows notification area and select Playback devices. The Sound
window is displayed.
2. On the Playback tab, select ThinkPad USB-C Dock Gen2 USB udio. Then click Set Default.
3. Click the Recording tab. Select ThinkPad USB-C Dock Gen2 USB udio. Then click Set Default.
4. Click OK.
Note: You ight need to restart the application that is using the audio devices to apply the changes.
8ThinkPad USB-C Dock Gen 2 User Guide

Chapter 4. Troubleshooting
General
1. The dock does not work after connected to my computer.
Ensure that:
• You use the acco panying ac power adapter, power cord, and USB-C cable.
• The dock is powered by its power adapter. The dock always needs an external power adapter for
operation because it is not powered by the USB-C cable attached to your co puter.
• The dock driver is installed on your co puter.
• The USB-C connector on your co puter works well.
2. The function of wireless keyboard or mouse (2.4 GHz) is interrupted. The mouse pointer lags or
does not move. Some characters are lost when I input by the keyboard.
Connect the wireless device receiver to a USB 2.0 connector on the dock.
3. The mouse or keyboard cannot wake up my computer when connected to the lways On USB 3.1
connector Gen 2 on the dock.
Connect the ouse or keyboard to a USB 2.0 connector on the dock.
4. The charging speed for my device, such as a smartphone, is slow.
Connect your device to the Always On USB 3.1 connector Gen 2 on the dock.
5. My computer cannot be charged by the dock.
Ensure that:
• You use the acco panying ac power adapter, power cord, and USB-C cable to set up the dock.
• The USB-C connector on your co puter supports ac input.
udio
I cannot hear anything through the headphone or headset connected to the dock.
Enable the audio connector on the dock. See “Use the audio connector” on page 8.
Video output
1. The external display is blank.
• Ensure that:
– Your co puter is running correctly and is not in sleep or hibernation ode. When the co puter is
in sleep or hibernation ode, the external display is always blank.
– The dock is securely connected to ac power, co puter, and external display.
– The dock driver is installed on your co puter.
• Reduce the resolution of the external display.
If the proble persists, disconnect all cables fro the dock, and uninstall the dock driver. Then, reinstall
the dock driver and reconnect all cables to the dock. See Chapter 2 “Set up the dock” on page 5.
2. I cannot play back videos on the external display but can play them back on the computer screen.
So e co puters do not support High-bandwidth Digital-content Copy Protection (HDCP), so you
cannot play back protected videos on the external display connected to the dock.
© Copyright Lenovo 2019 9

To play back videos on the external display, connect the external display to a DisplayPort or HDMI
connector on your co puter. Then, set the display ode into extend ode or single-display ode fro
your co puter. See “Configure the external displays” on page 7.
3. The images on the external display flutter.
• Ensure that the display cable is securely connected to the dock.
• Disconnect and reconnect the display cable.
4. The colors of the images on the external display are not correct.
• Ensure that the display cable is securely connected to the dock.
• Adjust color settings of the external display. See “Configure the external displays” on page 7.
5. The computer can play back flash content. However, when I drag the window to the external
display and maximize the window, the playback stops.
Update your Adobe Flash Player progra to the latest version.
10 ThinkPad USB-C Dock Gen 2 User Guide

ppendix . ccessibility information
Documentation in accessible formats
Lenovo provides electronic docu entation in accessible for ats, such as properly tagged PDF files or
HyperText Markup Language (HTML) files. Lenovo electronic docu entation is developed to ensure that
visually i paired users can read the docu entation through a screen reader. Each i age in the
docu entation also includes adequate alternative text to explain the i age so that visually i paired users
can understand the i age when they use a screen reader.
To open and view PDF files, your co puter ust have the Adobe Reader progra installed. The Adobe
Reader progra also is available for download at:
http://www.adobe.co
© Copyright Lenovo 2019 11

12 ThinkPad USB-C Dock Gen 2 User Guide

ppendix B. Trademarks
TLENOVO, LENOVO logo, THINKPAD®, and THINKPAD logo are trade arks of Lenovo.
Microsoft and Windows are trade arks of the Microsoft group of co panies.
DisplayPort is a trade ark of the Video Electronics Standards Association.
The ter s HDMI and HDMI High-Definition Multi edia Interface are trade arks or registered trade arks of
HDMI Licensing LLC in the United States and other countries.
USB-C is a trade ark of USB I ple enters Foru .
All other trade arks are the property of their respective owners. © 2019 Lenovo.
© Copyright Lenovo 2019 13

14 ThinkPad USB-C Dock Gen 2 User Guide

Part Nu ber: SP40T02168
Printed in China
(1P) P/N: SP40T02168
*1PSP40T02168*