Lenovo Mini Dock 3 series User manual

ThinkPad Thunderbolt 3 Dock Gen 2
ThinkPad Thunderbolt 3 Workstation Dock
User Guide

http://www.lenovo.com/sa ety
Note: Be ore using this in ormation and the product it supports, ensure that you read and understand the
warranty in ormation in the documentation that comes with the product.
First Edition (May 2018)
© Copyright Lenovo 2018.
LIMITED AND RESTRICTED RIGHTS NOTICE: I data or so tware is delivered pursuant to a General Services
Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set orth in Contract No. GS-
35F-05925.

Contents
Chapter 1. A out the dock . . . . . . . 1
Product description . . . . . . . . . . . . . . 1
Operating system requirement . . . . . . . . . . 1
In the box . . . . . . . . . . . . . . . . . . 1
Dock controls, connectors, and indicator . . . . . . 2
Chapter 2. Set up the dock . . . . . . . 5
Connect the dock to your computer . . . . . . . . 5
Install the device driver . . . . . . . . . . . . . 6
Chapter 3. Use the dock. . . . . . . . . 7
Use the audio connector . . . . . . . . . . . . 7
Use the Ethernet connector . . . . . . . . . . . 7
Use the video output connectors . . . . . . . . . 8
Maximum resolutions . . . . . . . . . . . . 8
Con igure the external displays . . . . . . . . 8
Chapter 4. Trou leshooting . . . . . . 11
Appendix A. Accessi ility
information . . . . . . . . . . . . . . . 13
Appendix B. Trademarks . . . . . . . 15
© Copyright Lenovo 2018 i

ii ThinkPad Thunderbolt 3 Dock Gen 2 ThinkPad Thunderbolt 3 Workstation Dock User Guide

Chapter 1. A out the dock
Product description
The dock is a portable expansion module. It can easily connect your computer to the local area network
(LAN) and multiple devices, such as a headset, a monitor, and a Universal Serial Bus (USB) device.
For the list o compatible computers, go to http://www.lenovo.com/support/docks and select the entry or the
dock.
Operating system requirement
The dock is supported on the ollowing operating systems:
• Microso t® Windows® 7
• Microso t Windows 10
In the ox
• For ThinkPad Thunderbolt 3 Dock Gen 2:
– Dock
– 135 W power adapter and power cord
– Thunderbolt 3 cable
– Documentation
• For ThinkPad Thunderbolt 3 Workstation Dock:
– Dock
– 230-watt power adapter and power cord
– 65-watt power adapter and power cord
– Thunderbolt 3 workstation cable
– Documentation
Contact your place o purchase i any item is missing or damaged. Ensure that you retain your proo o
purchase and packing material. They might be required to receive warranty service.
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Dock controls, connectors, and indicator
1 Indicator in ThinkPad logo: The indicator is solid on when the dock is connected to ac power.
2 Audio connector: Connect headphones or a headset with a 3.5-mm (0.14-inch), 4-pole plug.
3 USB-C connector (Thunder olt 3 compati le): Use the connector to trans er data (with high speed
supported by the Thunderbolt 3 technology), charge your device, or connect to an external display.
Notes:
• This connector does not support the external display i your computer does not have a USB-C connector
(Thunderbolt 3 compatible).
• Do not connect your computer to this connector.
4 USB 3.1 connector Gen 2: With greater data trans er rate, the USB 3.1 connector Gen 2 is used to
connect USB-compatible devices, such as a USB keyboard, a USB mouse, a USB storage device, or a USB
printer.
2ThinkPad Thunderbolt 3 Dock Gen 2 ThinkPad Thunderbolt 3 Workstation Dock User Guide

230
w
135
w
65
w
1 Security-lock slot: Lock your dock to a desk, table, or other ixture through a compatible security cable
lock.
2 Power utton with indicator: The power button works di erently in the ollowing situations:
• When you connect the dock only to ac power but not the computer, press this power button to turn on or
turn o the dock.
• When you connect the dock to both ac power and the computer, this button has the same unction as the
computer power button.
The indicator in the power button shows the status o the dock and computer:
• Off: The dock is o , the computer is o , or the computer is in hibernation mode.
• White: The computer is on.
• White and linking slowly: The computer is in sleep mode.
• Am er: The dock is on.
3 8 USB 3.1 connector Gen 2: Connect USB-compatible devices, such as a USB keyboard, a USB mouse,
a USB storage device, or a USB printer. For optimal data trans er, connect a USB 3.1 device to a USB 3.1
connector instead o a USB 2.0 connector.
Note: It is recommended that you connect the receiver o the wireless keyboard or mouse to the USB 3.1
connector Gen 2 8.
4 Always On USB 3.1 connector Gen 2: Connect USB-compatible devices or charge mobile digital devices
and smartphones when the dock is connected to ac power.
5 Ethernet connector: Connect the dock to a local area network (LAN).
6 DisplayPort connectors: Connect a high-per ormance monitor, a direct-drive monitor, or other devices
that use a DisplayPort connector.
7 HDMI connectors: The High De inition Multimedia Inter ace (HDMI) connector is a digital audio and video
inter ace. It enables you to connect the dock to a compatible digital audio device or video monitor, such as
an HDTV.
9 ac power connector: Connect the ac power adapter.
Chapter 1.About the dock 3

10 Thunder olt 3 workstation connector: Connect the dock to your computer with the Thunderbolt 3
workstation cable.
4ThinkPad Thunderbolt 3 Dock Gen 2 ThinkPad Thunderbolt 3 Workstation Dock User Guide

Chapter 2. Set up the dock
Connect the dock to your computer
Note: Ensure that you use the the ac power adapter, power cord, and cables that come with the dock.
• ThinkPad Thunder olt 3 Dock Gen 2
230w
135w
65w
135w
230w
135w
65w
1. Connect one end o the Thunderbolt 3 cable to the dock.
2. Connect the other end o the Thunderbolt 3 cable to the computer.
3. Connect the power cord to the ac power adapter.
4. Connect the 135–watt ac power adapter to the power connector on the dock.
5. Connect the power cord to an electrical outlet.
• ThinkPad Thunder olt 3 Workstation Dock
3b
3a
230w
135w
65w
4b4a
5a
5b
65w
230w
1. Connect one end o the Thunderbolt 3 workstation cable to the dock.
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2. Connect the other end o the Thunderbolt 3 workstation cable to the computer.
3. Connect the power cords to the ac power adapters.
4. Connect the 230–watt ac power adapter to the power connector 4a or the 65-watt adapter to
connector 4b .
5. Connect the power cords to electrical outlet.
Ena le the dock
To enable the dock when connected to the computer or the irst time, do either o the ollowing:
• Con irm the change when prompted i you have the administrator privilege.
• Enter the ThinkPad Setup program (BIOS) and go to the Config menu. Select Thunder olt(TM) 3 ➙
Security level ➙ No Security.
Install the device driver
The device driver is preinstalled on compatible Lenovo computers and the dock is ready or use a ter you
connect it to an ac power source and your computer.
You also can download the latest device driver rom the Lenovo Web site by doing the ollowing:
1. Go to http://www.lenovo.com/support/docks.
2. Select the entry or the dock.
3. Follow the on-screen instructions to download and install the device driver.
6ThinkPad Thunderbolt 3 Dock Gen 2 ThinkPad Thunderbolt 3 Workstation Dock User Guide

Chapter 3. Use the dock
Use the audio connector
A ter setting up the dock, the audio connector on the dock is enabled and the one on the computer is
disabled by de ault.
To change the de ault settings:
1. Right-click the speaker icon in the Windows noti ication area.
2. Click Play ack devices. The Sound window is displayed.
3. Click the Play ack tab to select an audio line-out device, and then click Set Default.
4. Click the Recording tab to select an audio line-in device, and then click Set Default.
5. Click OK.
Note: You might need to restart the application that is using the audio devices to apply the changes.
Use the Ethernet connector
To use the Ethernet connector on the dock, connect the dock 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 computer is
connected to a local area network (LAN). When the yellow indicator blinks, data is being transmitted.
The ollowing unctions are available when the dock is connected to a LAN.
• Preboot eXecution Environment
The Preboot eXecution Environment (PXE) technology makes the computer more manageable by enabling
the computer to start rom a server.
• MAC address Pass Through
A ter enabling the MAC address Pass Through unction, your dock MAC address is the same as that o
your computer.
• Wake on LAN or Wake on LAN rom Dock
The network administrator can turn on a computer rom a management console by using the Wake on
LAN or Wake on LAN rom Dock eature.
When the Wake on LAN unction is enabled, many operations, such as data trans er, so tware updates,
and lash updates o the UEFI BIOS, can be done remotely. The updating process can per orm a ter
normal working hours and on weekends, so that the users are not interrupted during work, and the LAN
tra ic is kept to a minimum. It saves time and increases productivity.
Note: To use the Wake on LAN rom Dock eature to wake the computer rom hibernation mode or turn
on the computer, ensure that the dock is connected to the USB-C connector on the computer.
You can enable the Wake on LAN eature or the Wake on LAN rom Dock eature through con iguring the
BIOS on your computer:
1. Restart the computer. When the logo screen is displayed, press F1 to start the ThinkPad Setup
program.
2. Select Config ➙ Network. The Network submenu is displayed.
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3. Select a corresponding option or the Wake on LAN eature.
4. Press F10 to save the settings and exit.
Use the video output connectors
The video output connectors on the rear o the dock support up to two external displays. The external
displays connected to the dock will not be on until your computer enters the Windows operating system. Do
not use the DisplayPort connector and HDMI connector as shown at the same time. Otherwise, only the
monitor connected to the DisplayPort connector will be on.
230w
135w
65w
Maximum resolutions
This section shows the maximum resolutions o the external displays. The maximum resolution might vary
depending on the computer.
• ThinkPad Thunder olt 3 Dock Gen 2:
Maximum resolution Computer requirement
Up to 3840 x 2160 pixels / 60 Hz With a USB-C connector (Thunderbolt 3 compatible)
Up to 3840 x 2160 pixels / 30 Hz Without a USB-C connector (Thunderbolt 3 compatible)
• ThinkPad Thunder olt 3 Workstation Dock:
Up to 3840 x 2160 pixels / 60 Hz
For the latest maximum display matrix, go to http://www.lenovo.com/support/docks and select the entry or
the dock.
Configure the external displays
You can per orm the ollowing con igurations or the external displays connected to your dock to meet your
needs:
• Choose a display mode: extend mode, mirror mode, or single-display mode
• Rotate the external displays
• Set the resolution
• Set the color quality
To con igure the external displays:
8ThinkPad Thunderbolt 3 Dock Gen 2 ThinkPad Thunderbolt 3 Workstation Dock User Guide

1. Right-click on the desktop and select Screen resolution (Windows 7) or Display settings (Windows
10).
2. Follow the on-screen instructions to complete the con iguration.
For more in ormation, see the Windows help in ormation.
Chapter 3.Use the dock 9

10 ThinkPad Thunderbolt 3 Dock Gen 2 ThinkPad Thunderbolt 3 Workstation Dock User Guide

Chapter 4. Trou leshooting
General
1. The dock does not work after connected to a computer with the provided Thunder olt 3 ca le.
a. Ensure that the dock is well powered by its power adapter. The dock always needs an external power
adapter or operation because it is not powered by the Thunderbolt 3 connector attached to your
computer.
b. Ensure that the device driver o the dock is well installed; i not, install the device driver and restart
the computer.
c. Ensure that the USB–C connector on your computer works well.
2. The 2.4 GHz wireless key oard or mouse function is interrupted. The mouse pointer lags or does
not move. Some characters are lost when you input y the key oard.
• Ensure that you connect the 2.4 GHz wireless device receiver to the ront USB 3.0 connector on the
dock.
3. The charging speed for the connected device, such as a mo ile phone, ecomes slow.
The charging speed might becomes aster i you:
• Connect your device to the Always On USB 3.1 connector Gen 2.
• Disconnect the dock rom the computer.
4. My mo ile devices connected to the Always On USB 3.1 connector Gen 2 cannot e charged.
It is recommended that you disconnect the dock rom the computer when charging the mobile devices.
5. The mouse and key oard cannot wake up my computer when connected to the Always On USB
3.1 connector Gen 2.
Connect your mouse or keyboard to another USB connector on the dock.
6. My computer cannot e charged after I connect it to the dock.
Ensure that you connect the dock to ac power with the power adapter that shipped with the dock.
Video output
1. The external monitor display is lank.
Ensure that:
• No more than three external displays are connected to the dock.
• You computer connected to the dock is running correctly and is not in standby or hibernation mode.
When the computer is in standby or hibernation mode, the external monitor display is always blank.
• The device driver is installed ollowing the installation instructions.
• The ollowing components are securely connected:
– Your computer and the dock
– The dock and electrical outlet
– The dock and external displays
I the problem persists, disconnect all cables rom the dock, and uninstall the dock device driver. Then,
reinstall the device driver and reconnect all cables to the dock. See Chapter 2 “Set up the dock” on page
5.
2. I cannot play ack videos on the external monitor ut can play them ack on the computer
screen.
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Some computers do not support the Certi ied Output Protection Protocol (COPP), and you cannot play
back the protected videos on the external monitor connected to the dock.
To play back videos on the external monitor, you can connect the external monitor to the VGA or
DisplayPort connector on your computer, and con igure the display settings o your pre erence. See
“Con igure the external displays” on page 8.
3. The images on the external monitor flutter.
Check the display resolution o the external displays and ensure that the resolution is supported by the
dock.
4. The computer can play ack We flashes. However, when you drag the window to the external
monitor and maximize the play ack window, the play ack stops.
Update your Adobe Flash Player program to the latest version.
Audio
By de ault, the audio connector on the computer is disabled automatically
To enable the audio connector on your computer, see “Use the video output connectors” on page 8 or more
in ormation.
12 ThinkPad Thunderbolt 3 Dock Gen 2 ThinkPad Thunderbolt 3 Workstation Dock User Guide

Appendix A. Accessi ility information
Documentation in accessi le formats
Lenovo provides electronic documentation in accessible ormats, such as properly tagged PDF iles or
HyperText Markup Language (HTML) iles. Lenovo electronic documentation is developed to ensure that
visually impaired users can read the documentation through a screen reader. Each image in the
documentation also includes adequate alternative text to explain the image so that visually impaired users
can understand the image when they use a screen reader.
To open and view PDF iles, your computer must have the Adobe Reader program installed. The Adobe
Reader program also is available or download at:
http://www.adobe.com
© Copyright Lenovo 2018 13

14 ThinkPad Thunderbolt 3 Dock Gen 2 ThinkPad Thunderbolt 3 Workstation Dock User Guide

Appendix B. Trademarks
The ollowing terms are trademarks o Lenovo in the United States, other countries, or both:
Lenovo
Lenovo logo
ThinkPad®
ThinkPad logo
Microso t and Windows are trademarks o the Microso t group o companies.
DisplayPort is a trademark o the Video Electronics Standards Association.
The terms HDMI and HDMI High-De inition Multimedia Inter ace are trademarks or registered trademarks o
HDMI Licensing LLC in the United States and other countries.
USB-C is a trademark o USB Implementers Forum.
Other company, product, or service names may be trademarks or service marks o others.
© Copyright Lenovo 2018 15

Part Number: SP40M56895
Printed in China
(1P) P/N: SP40M56895
*1PSP40M56895*