I bought a HDD used a year ago , (2 tera Hitachi) , use win7 and I have always worked well ...
Suddenly the computer asks me to format the hard drive ... because I have a pc with win xp, and i can see the files, so I copied my files into another HDD .
Now I am trying to format the HDD but the computer find only 1 tera ... I tried with chkdsk and the result is this (don't subscribe to dropbox...) :

https://www.dropbox.com/s/5ordztfo7ozxxbz/hdd.jpg?dl=0

I also tried with cristal info and this is the screen:

[url]https://www.dropbox.com/s/hbz7gkc44ivj5w6/hdd%20cri.JPG?dl=0
[/url]

What can i do? I only want to have my hdd with 2 tera free for storage!! Please help me...

Do you have a Gigabyte motherboard?

GigaByte BIOS bug results in loss of 1TB capacity:
http://www.hddoracle.com/viewtopic.php?f=59&t=150&p=275

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A backup a day keeps DR away.

Yes.....

Remove the drive from the USB case, connect it via SATA, and then use HDAT2 or Hitachi Feature Tool or a similar tool to remove the HPA.

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A backup a day keeps DR away.

thanks a lot i think thats this is my problem...!!! I try to remove it... but its difficult for me with HDAT2 i try another program

But... if i connect the hdd to my portable, i find only one tera...