Talvez este link pode atender às suas necessidades.
Diz:
“While it starts up, Windows 7 scans and activates devices connected directly to the Thunderbolt port. If a device is not directly connected when the computer starts up, Windows 7 will not recognize the device.”
The best way to add and remove devices from the Thunderbolt chain while Windows 7 is running is to plug and / or unplug devices into a Thunderbolt peripheral that is already recognized, Apple reveals.
Espero que ajude.