Fucked up bad. Hard drives all fuckin Screwy. I don't even know what to put for the title.

[TehDoctorz]

Alright guys so I fucked up bad. I got a new hard drive and I have been trying to make it my boot drive by cloning my old hard drive to my new hard drive. I never altered the old hard drive (99.9% sure of this). I was never able to clone and then add unallocated space to the partition, and i spent hours on it so I just said fuck it, so I put the new hard drive (wiped) into a new comp I am building.

Here is the issue now. My old comp won't start up unless both hard drives are present. With the old hard drive it just won't start up. With the new hard drive it says I am missing windows files. this is odd because the new hard drive is wiped clean. Not even a partition, all unallocated space. Windows will only start up if I have both hard drives connected to my comp, and even then I can't even show the second drive in Disk management OR My computer.

I really need help. Appreciated.