How to eliminate potential problems on USB Powered Drives and keep them healthy

i hope someone will see this message and would be able to help me.

Simply my WD Passport doesn’t appear in My Computer. It appears in Device Proprieties, in the control panel under Devices, but not in My Computer so i can’t access to see files inside it.

I tried to open the HD case and when i saw that it was impossible to plug the HD on a normal SATA connector, my face turns into a mournful figure.

So i tried to install every HD software possible, from HD tune to HDD regenerator but nothing can be done because everytime i m not able to make Mypassport drive appear on the devices list of the software…

what can i do ?