Change USBB Bios Setting:
Issue: BTD 800 dis-connectivity from the PC
Possible solution: If the issue happens after the PC goes to the Hibernate or Sleep mode, the Bios setting has to change:
1- Open the device manager.
In Windows 10, you do that by right-clicking Start and selecting Device Manager and press Universal Serial Bus Controllers
2- When the listing expands, look for the items marked USB Root Hub.
3- Right-click one of the hubs and select Properties.
4- Press Power Management tab. Attachment 2
5- De select Allow the computer to turn off this device to save power
6- Click OK and you're done.