can't find hard disk #1

Hi All,

I bought a used MacPro with W7 installed on the bootcamp partition, then bought Parallels 5.09376 and got a virtual installation going with no problems. However, my Mac boot drive was getting full so I copied both partitions to another larger drive, yanked the old hd and installed the clone. Everything booted up fine on the Mac side, but when I try to boot Vista, I get an error message, "Unable to connect to hard disk 1". I guess it's still looking for the old hd.

I tried to reinstall by going to the virtual machines list, clicking on the "+" and skip detection, then create a custom machine, then when it asks for hard disk options I choose "Existing Image File", then it asks me to find the location of the image file, I click "choose" and it takes me to "Windows Vista. pvm"; I double click on the icon and a sub list opens, and there's where I grind to a halt. What do I choose next? I see a hard drive where my bootcamp is located ((disk6).hdd), but when I choose that one I get the click to start screen, but then I get the error message "Unable to connect to hard disk 1", then it asks me for the original install disks for Vista, which I don't have.

Where to next? Thanks.