HP Engage Go Convertible System Maintenance & Service Manual page 35

3. Remove the cover on the I/O connectivity base by removing the four screws on the underside of the I/O
connectivity base (1), and then lifting the cover off the I/O connectivity base (2).
4. Connect the USB Type-C power cable to the USB Type-C port on the underside of the dock's column.
Attaching an I/O connectivity base to the HP Engage Go Convertible System 27