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Windows 7, GPT and Unknown file system
I have a really big problem .
In the beggining of the year, i had 2 hard drives.
Then i bought a Western Digital 1TB hard-disk a while ago and installed it on Windows 8 64bits.
I put all my data from long time ago in it and used it for about 5 months.
It was all fine 10 hours ago when I decided to install Windows 7 64bits (in place of Windows Eight). I formated one hard disk entirely (didn't mess anything with the others) and successfully installed Windows 7.
After the process was done I started Windows 7. The problem is that I noticed that Windows 7 doesn't seem to be able to deal with my WD 1Tb Hard Disk .Windows 7 can see it in Disk Management but doesn't even recognize the Free Space and the Used Space (should be 470gb used).
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I can't even assign a letter to it, the only option I have is to Delete it. I tried many others software and they do the same, they partly recognize the 1TB hard drive, but doesn't seem to able to detect free-space and used space. They also seem not to be able to do anything with it but to able to delete it.The only thing they do is point out it's GPT.
Here are the Print Screens :
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http://s21.postimg.org/78a0znovr/image.jpg
http://s10.postimg.org/wad9bhrix/image.jpg
I'm pretty sure I didn't do anything wrong with this disk in the Windows 7 installation process, and I didn't format it and didn't try to do anything with it.
The data I have on it is really important and I can't afford to lose it. While all evidence points to the fact that the data is still there, I still have a lot of fear that the data is all gone.
I don't even know if the Data is still there and it's just a recognition problem, or if my data is all lost, or if i need to boot into this Hard-disk.
What should I do?
Thanks a lot