IMPORTANT: Make sure that your MacBook®’s OS X® version is updated. For the complete list of requirements, click here.
Connect an ethernet cable from the Thunderbolt Express Dock to your router or existing network.
Step 2:
Connect the supplied Thunderbolt cable from the MacBook to the Thunderbolt Express Dock.
On your MacBook computer, click the Apple icon then select System Preferences….
Click Network.
You should be able to see the Thunderbolt Ethernet Slot. If you don’t see this connection, proceed to Step 5.
NOTE: In this example, Thunderbolt Ethernet Slot 2 is currently active.
Step 5:
Click on the plus sign.
Step 6:
Select Thunderbolt Ethernet Slot then click Create.
Step 7:
Click Apply.
Your MacBook should now be successfully connected to the internet using the Thunderbolt Express Dock.