Connecting an external display to the ThinkPad Mini Dock Plus Series 3 and Mini Dock Plus Series
3 with USB 3.0
Group 1 (top gure) and Group 2 (lower gure) are independent of each other. Each has a DisplayPort
connector and a DVI connector. If you connect a display to a DisplayPort connector and a DVI connector
that are in the same group, the DisplayPort connector is inactive.
Detaching a port replicator or docking station
To detach your computer from the port replicator or docking station, do the following:
1. Ensure that:
• The devices connected to USB connectors are not in use.
• The connection to an Ethernet connector has been ended.
• The system lock key of the docking station is in place and in the unlocked (horizontal) position for:
– ThinkPad Mini Dock Series 3
– ThinkPad Mini Dock Plus Series 3
– Mini Dock Series 3 with USB 3.0
– Mini Dock Plus Series 3 with USB 3.0
Chapter 7. Enhancing your computer 103