Originally Posted by c0rr0sive
Could have had BitLocker enabled, could have had a special Dynamic partiton setup, there's really no telling... But I am willing to bet for some reason it had a Dynamic partition setup, and the data for that partition would have been stored in the OS on your SSD. When it was hooked upto the other machine, that data wasn't available, so it showed as RAW, that's what I am willing to bet happened.
But it didnt show as RAW.
It said it needed to be formatted and basically showed all the symptoms of a corrupted disk.
And the data was on the hard drive because... there was about 400GB on the HDD and the SSD was a tiny 240GB drive.