If the display connected through your USB display adapter does not wake up after your computer has been in extended hibernation, it is likely that Windows has automatically turned off the USB Root hub to save power.
The steps below outline how to configure the USB root hub to stay on during hibernation, to prevent this from happening.
Windows 8 / 10
Note: You may need to disconnect and re-connect your USB display adapter after applying these settings to re-establish the connection.
Windows 7 / Vista
Note: You may need to disconnect and re-connect your USB display adapter after applying these settings to re-establish the connection.
Windows XP
Note: You may need to disconnect and re-connect your USB display adapter after applying these settings to re-establish the connection.