Try this, open Control Panel, open System, go to the Hardware tab, click
Device manager, scroll to Network adapters, click the plus sign, that might
not only reveal the manufacturer of the NIC but the model number as well.
Then you could go directly to the manufacturer's website for the download.
Or, you could install the following free application that might identify it
as well, Belarc Advisor,
www.belarc.com
--
In memory of our dear friend, MVP Alex Nichol.
Michael Solomon MS-MVP
Windows Shell/User
https://mvp.support.microsoft.com/communities/mvp.aspx
Backup is a PC User's Best Friend
DTS-L.Org:
http://www.dts-l.org/