If your machine is paired to a server you no longer have access to, you may unpair it manually.
Connect a USB keyboard to a port on the top of the Douro's tablet inside the door.
Press Ctrl+Alt+T to bring up a terminal window.
Then enter the root password (provided by our support team).
Run the following commands individually:
The machine should be back on the 'Pair with remote server' screen.
Close the terminal with Alt + F4, then disconnect the keyboard.