ThinkPad Thunderbolt 3 Dock Gen 2 - Overview and Service Parts - Lenovo Support US
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Lenovo ThinkPad USB 3.0 Pro Dock (40A70045US) 45W AC Adapter With 2 Pin Power Cord Included, Item Does Not Charge The Laptop Or Tablet When Attached Docking Stations - Newegg.com
Is your ThinkPad's USB-C port not working? Upgrade its firmware. - CNET
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ThinkPad Universal USB-C Dock - Overview and Service Parts - Lenovo Support US
Amazon.com: Lenovo ThinkPad USB 3.0 Pro Dock (40A70045US) 45W AC Adapter With 2 Pin Power Cord Included, Item Does Not Charge The Laptop Or Tablet When Attached : Electronics
Lenovo Dock Manager - Firmware Updates & Information Queries - YouTube