Attempt these steps to remedy the issue.
1. Disconnect the CruzHUB from your laptop. Connect the HDMI cable to the adapter. Double check that it is securely plugged in all the way.
2. Connect the CruzHUB to your laptop.
3. Restart the computer.
If you are still having the same issue. Please contact us for further concerns or please email us at email@example.com.