The following program lists audio devices as detected by PortAudio. It can be used to display the machine's audio configuration. It is available as a 32-bit and 64-bit Windows application.
To run the program, go to Start | Run or press the Windows logo and R keys at the same time to open the "Run" launcher. Enter "cmd" and press Enter. Change to the folder where pa_devs.exe is located using the "cd C:\Path\To\Folder" (this needs to be the location where you downloaded the program). Enter "pa_devs.exe" to run the program.
This program comes with PortAudio and is available here. It is licensed under the MIT License.