Lenovo ThinkPad Thunderbolt 3 Dock User Guide
ThinkPad Thunderbolt 3 Dock
User Guide
http://www.lenovo.com/safety
Note: Before using this information and the product it supports, ensure that you read and understand the
warranty information in the documentation that comes with the product.
Fourth Edition (March 2019)
© Copyright Lenovo 2017, 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
Chapter 1. About the dock . . . . . . . 1
Product description . . . . . . . . . . . . . . 1
Dock controls, connectors, and indicators . . . . . 1
Statement on USB transfer rate . . . . . . . . 4
Main features. . . . . . . . . . . . . . . . . 4
Maximum resolutions . . . . . . . . . . . . . 4
Chapter 2. Setting up the dock . . . . . 7
Installing the device driver on Windows operating
systems . . . . . . . . . . . . . . . . . . . 7
Connecting the dock to your computer. . . . . . . 7
Uninstalling the device driver from Windows
operating systems . . . . . . . . . . . . . . . 8
Chapter 3. Using the dock. . . . . . . . 9
Using the headset and microphone combo
connector . . . . . . . . . . . . . . . . . . 9
Using the Ethernet connector . . . . . . . . . . 9
Using the video output connectors . . . . . . . 10
Extend mode . . . . . . . . . . . . . . 10
Mirror mode . . . . . . . . . . . . . . 11
Single-display mode . . . . . . . . . . . 11
Rotating the external monitor display. . . . . 12
Setting the resolution of the external
monitor . . . . . . . . . . . . . . . . 12
Chapter 4. Troubleshooting . . . . . . 13
Appendix A. Accessibility
information . . . . . . . . . . . . . . . 15
Appendix B. Trademarks . . . . . . . 17
© Copyright Lenovo 2017, 2019 i
ii ThinkPad Thunderbolt 3 Dock User Guide
Chapter 1. About the dock
This chapter contains product information for the ThinkPad® Thunderbolt
TM
3 Dock (hereafter called dock).
Product description
The dock is a portable expansion module that enables you to easily connect your computer to the Ethernet
and multiple devices, such as a headset, a microphone, a monitor, and Universal Serial Bus (USB) devices.
You can set up your work area by connecting your computer to the dock with the Thunderbolt 3 cable,
connecting multiple devices to the dock, and configuring the dock on your computer. Then, you are ready to
use the multiple devices each time you connect your computer to the dock. The dock can also supply power
to your computer when it is connected to the computer.
Your option package includes the following:
• ThinkPad Thunderbolt 3 Dock
• Power adapter
• Power cord
• Thunderbolt 3 cable
• Warranty poster
Contact your place of purchase if any item is missing or damaged. Be sure to retain your proof of purchase
and packing material. They might be required to receive warranty service.
Dock controls, connectors, and indicators
The following illustration helps you locate and identify the controls, connectors, and indicators on your dock.
© Copyright Lenovo 2017, 2019 1
1
2
Figure 1. Dock controls, connectors, and indicators
1 Power button with indicator
3 USB 3.0 connector
5 Headset and microphone combo connector
7 USB 3.0 connector
9 USB 3.0 connector 10 Video graphics array (VGA) connector
11 DisplayPort
13 High-Definition Multimedia Interface
®
(DP) connector
TM
(HDMITM)
2 Security-lock slot
4 Thunderbolt 3 connector
6 Always On USB 3.0 connector
8 Ethernet connector
12 DisplayPort connector
14 Thunderbolt 3 connector
connector
15 Power connector 16 Indicator in ThinkPad logo
Notes:
•
Do not use the DP connector
12 and HDMI connector 13 at the same time.
• For the wireless keyboard and mouse, it is recommended that you connect the keyboard/mouse USB
receiver to the USB 3.0 connector
1 Power button with indicator
9 located above the VGA connector on the dock.
• Power button
– When the dock is disconnected from the computer, press the power button to turn off the dock.
– When the dock is connected to the computer, the power button on the dock has the same functions as
the power button of the computer. You can use the power button on the dock to turn on, turn off, sleep,
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ThinkPad Thunderbolt 3 Dock User Guide
hibernate, or wake up the computer after you define what power button does on your computer. To
change what the power button does, do the following:
1. Go to Control Panel and then change the view of the Control Panel from Category to Large icons or
Small icons.
2. Click Power Options ➙ Choose what the power buttons do.
3. Follow the instructions on the screen to complete the operation.
• Power button indicator
The indicator in the power button shows the dock status and computer status:
– Amber: The dock is on and ready to connect to the computer; or the dock is on and the computer is in
hibernation mode or off.
– Off: The dock is off.
– White: The dock is on and the computer is on or in sleep mode.
2 Security-lock slot
To protect your dock from theft, lock your dock to a desk, table, or other fixtures through a security cable
lock that fits this security-lock slot.
Note: You are responsible for evaluating, selecting, and implementing the locking device and security
feature. Lenovo makes no comments, judgments, or warranties about the function, quality, or performance
of the locking device and security feature.
3 7 9 USB 3.0 connector
Connect USB 3.0 compatible devices, such as a USB storage device or a USB printer.
4 Thunderbolt 3 connector
Connect Thunderbolt 3 or USB-C compatible devices to the dock, such as a Thunderbolt 3 or USB-C
compatible external monitor or storage device. You also can connect a DP, HDMI, or VGA monitor to this
connector if you have a suitable convert cable available.
5 Headset and microphone combo connector
Connect headphones or a headset with a 3.5-mm (0.14-inch), 4-pole plug.
6 Always On USB 3.0 connector
Charge some mobile digital devices and smartphones when the dock is connected to the power supply.
The Always on USB 3.0 connector can supply power up to 2.4 A during the charging process.
8 Ethernet connector
Connect the dock to an Ethernet LAN with an Ethernet cable.
10 VGA connector
Connect a VGA-compatible video device, such as a VGA monitor.
11 12 DP connector
Connect a high-performance monitor, a direct-drive monitor, or other devices that use a DP connector.
Chapter 1. About the dock 3
13 HDMI connector
Connect a high-performance monitor, a direct-drive monitor, or other devices that use an HDMI connector.
14 Thunderbolt 3 connector
Connect the dock to your computer by a Thunderbolt 3 cable.
15 Power connector
Connect the dock to the power adapter.
16 LED indicator in ThinkPad logo
This red indicator stays on when the dock is connected to power.
Statement on USB transfer rate
Depending on many factors such as the processing capability of the host and peripheral devices, file
attributes, and other factors related to system configuration and operating environments, the actual transfer
rate using the various USB connectors on this device will vary and will be slower than the data rate listed
below for each corresponding device.
USB device Data rate (Gbit/s)
3.1 Gen 1 (3.0)
5
Main features
• Supported USB devices: five USB 3.0 devices, and one Thunderbolt 3 or compatible device
• Supported external monitors: two DP monitors, an HDMI monitor, a VGA monitor, and a USB-C monitor
• Supported operating system: Windows
®
10
• Network connection: Gigabit Ethernet speed
• Supported functions on some Lenovo computers:
– Preboot eXecution Environment (PXE)
– Media Access Control (MAC) address Pass Through
– Wake on LAN
Notes:
– For more information about these functions, see “Using the Ethernet connector” on page 9.
– For detailed computer model information, go to
http://www.lenovo.com/accessoriesguide, and download
Network function support – Option Compatibility Matrix.
Maximum resolutions
To achieve better display experience, it is recommended that you connect no more than three external
monitors to the dock at a time. When you connect three external monitors, your computer display is
disabled.
Note: When you connect two or more external monitors to the dock, the Thunderbolt 3 connector works
only on some Lenovo computers. For detailed computer model information, go to
support/docks
4
ThinkPad Thunderbolt 3 Dock User Guide
and click ThinkPad Thunderbolt 3 Dock.
http://www.lenovo.com/
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