All Sony Optical external units are plug & play with Windows, no drivers are required for detection.
If you are having issues getting your external drive detected in Windows, please try the following: The drive needs to be connected directly to USB 2.0 or I-link port (depending on model type) on your computer. Please note that the drive is not supported if connected to a dock or a hub.
Also please check the following if you are have trouble detecting:
> The drive needs to be the only external device connected to the system. Please ensure there are no other USB devices connected.
> Try a different USB port on your computer.
> Try a different USB cable
> Try the drive on a second computer system if possible.
> Ensure you have the latest BIOS and Motherboard updates from your PC manufacturer. > Ensure you have the latest Windows updates from Microsoft.
