I have a 250GB HDD. C: drive 50GB, D: drive 60GB and the rest goes to E: drive.
Previously install Vista Ultimate RC1 on my C: drive. I Bought a vista Home
Premium last nite and do a new installation over my C: to replace RC1.

After installation, although my D: and E: drives are still there, but the
data isnt. When I click on D: or E:, it shows "The disk in drive D is not
fomatted. Do you want to fomat it now."

During the installing, I did not delete or format any partition. The data in
D: is important. How do I get it back? Please Help!!!
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computer idiot