Hi,
I'm looking into this issue.
Can you confirm if the Nvidia GPU is disabled in Device Manager when this happens?
It would really help us if you could disconnect your device, uninstall the DisplayLink software, run the end user cleaner from here
http://www.displaylink.com/support/ticket.php?id=297, install the DisplayLink software and connect your device then attach the logs from this tool:
http://www.displaylink.com/support/ticket.php?id=269
Thanks,
James