Chapter 3. Use the dockUse the video output connectorsThe 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)Supported resolutionDepending on the USB-C connector or Thunderbolt 3 connector on your computer, the dock supports thefollowing display resolutions:• One / two video output connectors: up to 3840 x 2160 pixels / 60 Hz• Three video output connectors: up to 3840 x 2160 pixels / 30 HzTo view the maximum display matrix, go to https://support.lenovo.com/us/zh/solutions/pd029622#USB-Cdockand select the entry for the dock.Configure the external displaysYou can configure the external displays connected to your dock:• Set the display mode: extend, mirror or duplicate, or single display.• Set the orientation, brightness, resolution, color, and more.To configure the external displays:1. Right-click a blank area on the desktop and select Display settings.2. Select the display that you want to configure.3. Configure display settings of your preference.For more information, see the Windows help information.Use the Ethernet connectorYou can use the Ethernet connector on the dock to connect your computer to a standard 10 Mbps, 100Mbps, or 1000 Mbps network with an Ethernet cable.The Ethernet connector has two network status indicators. When the green indicator is on, the computer isconnected to a LAN. When the yellow indicator blinks, data is being transmitted.Depending on your computer, some of the following functions are available when the dock is connected to aLAN.• Preboot eXecution Environment• MAC address Pass Through• Wake on LAN• Wake on LAN from Dock© Copyright Lenovo 2021, 2022 7