Lenovo ThinkPad X280 User Manual page 64

1. Connect the power cord to the ac power adapter
2. Connect the power cord to an electrical outlet
3. Connect the ac power adapter to the power connector of the dock
4. Press the power button to turn on the dock
5. Connect one end of the Lenovo USB-C cable to the dock
6. Connect the other end of the Lenovo USB-C cable to the computer
Before you use the dock with the computer, download and install the latest dock driver at:
http://www.lenovo.com/support/docks
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X280 User Guide
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