WD passport essential does not mount virtual cd for prompt password!

my external hard  ( passport essential ) does not mount virtual cd on my computer  for prompt password

i have change cable. and test on other pc but it does not work ,

i have installed ses driver and other driver and utility , it does not work,  Does it mean the hard have damaged ?

how i can to repair  !  any solution ??

Open the disk management if you have a Windows computer or disk utility if you have a Mac, to check if it is recognized there.