In Windows.
Device Manager
Get Hardware IDs
vid = vendor; e.g. 046d = logitech
pid = (product?); e.g. 08b1 = QuickCam Notebook Pro
site to lookup ids: http://www.linux-usb.org/usb.ids
Then go get driver.
NOT TESTED: This nirsoft tool looks like it does the lookup agains the linux-usb.org site for you - http://www.nirsoft.net/utils/usb_devices_view.html
tags: identify, USB, device,