Well, Clive, I don't know
Maybe I wasn't lucky,
Maybe there was a fabrication problem in the external box (inside which, I myself fixed the HDD manually).
The first HDD which was inside was working correctly. I sent it to a friend, who told me that the HDD is not working at all.
I replaced it with a new bigger one. Just a month or two after that, it stopped working.
I sent it to Maxtor to get a new one. few weeks after that, the new one started to give a strange noise, (exactly what my friend told me about the first HDD). I understood then that it wasn't problem in the HDD, but in the external box.
I couldn't get the replacement for the external box (another society). They didn't care. They just told me that there's now another model if I like to buy. :curse:
useless to say that I lost all that data, and, neither Maxtor nor any other HDD fabrication take it on their responsibility to get you back your lost data. You have to send the HDD to a special society to get your data back. In that case, you have to pay them a considerable amount of money if you don't like to loose it eternally.