Either the wrong driver has been installed, or the correct driver didn't install properly, or correct driver hasn't been installed at all. If the correct driver was properly installed, you would see the sound device's make and model listed under "Sound, Video & Game Controllers" (eg 'Soundblaster, or AC'97 or something similar).
Drivers for laptops are obtained from the laptop-manufacturer's driver library on their website, but we need to know the exact model name/number of the ToughBook. Alternatively, you can do this yourself by visiting Panasonic's support here:
https://www2.panasonic.com/webapp/wc...atalogId=13401