i plug it to computer and computer makes the sound that always make when u plug a usb then i go to my computer and i can’t see it igo to disk management and is not there but it shows up under device manager and it says that device is working properly and i used the wd data lifeguard diagnostic and it shows up the but its says is not available and i run a quick test and says test complete successfully with green check mark thats why im comfuse whats going on here please help!
|Test Option:||EXTENDED TEST|
|Model Number:||WD My Passport 0740|
|Unit Serial Number:||[Deleted]|
|SMART Status:||Not Available|
|Test Time:||12:33:52, January 06, 2013|