There are third party software programs you can try. I don't have enough experience to walk you through this, but there are some good "free" programs you can use from within Windows. Two I've played with and believe to be quality products are:
a.
TestDisk. There's Windows version download link
here.
b.
Recuva. Pick up either the "portable" or "slim" version from special
builds page to avoid any "optional" toolbar installation.
There's a companion program to TestDisk that was just recommended by someone else to recover data. I haven't personally played with it, but I'm sure it's also worth a look:
c.
PhotoRec. There's Windows version download link
here.
Take your time and work your way through the documentation/tutorials they provide.