Sony External USB User Manual page 6

Insert the port connector of the USB cable into the PC's USB port.
Note: If no USB connector(s) available (already in use), see
Troubleshooting, page 20.
Then Windows will display the following message:
10 Hardware installation
Note:
This will only appear the first time a USB device is connected.
Click the Next> button, then the following screen should appear:
Hardware installation 11