My Sandisk Cruzer Edge 32GB does not showing up in Windows Explorer.

device is just  a secondhand product. 

And now you know why it is.

But it could still be under warrantee and thus qualifies for a free replacement.  It doesn’t hurt to check.

http://kb.sandisk.com/app/answers/detail/a_id/5232/~/return-material-authorization-(rma)-process