The user guide explains setup, connectors, power, LED status, driver updates and troubleshooting for the ThinkPad Universal Thunderbolt 4 Dock.
This guide introduces the ThinkPad Universal Thunderbolt 4 Dock, its contents, and the various connectors it provides, such as Thunderbolt 4, USB 3.2, HDMI, DisplayPort, Ethernet and audio. It also describes the power adapter (135 W) and how the dock supplies power to a connected computer.
Installation steps cover connecting the AC adapter, power cord, and Thunderbolt 4 cable, updating the dock driver and firmware via Lenovo’s support site, and using Lenovo Dock Manager. The manual details LED indicators for power, computer connection, and firmware updates, and provides troubleshooting tips and accessibility information.
| Power adapter rating | 135 W |
|---|---|
| Thunderbolt 4 output | 5 V / 3 A |
| USB 3.2 Gen 2 output | 5 V / 2.4 A |
| Part number | SP40M56903 |
Connect the AC power adapter, power cord, and Thunderbolt 4 cable to the dock, then plug the dock into a computer and power source.
Visit Lenovo’s support site for docks, download the latest driver and firmware, install them, restart the computer, and reconnect the dock.