Start and type
If they are avaible,they will be listed.
However if they have been deleted and the drive been written to since,you may need some recovery software.
Two of my favourites are Testdisk and Driverescue
Testdisk click here with photorec
Driverescue click here
Recuva click here
PCInspector click here
Try this lot out first and if no joy,we can find others for you to try.