I somehow fixed it.. all of it by a simple little program we know and love called chkdsk. But, as I mentioned earlier, the computer wouldn't run with the HDD plugged in, so here's how I did it, in case someone has the same problem in the future..
I turned on the computer with secondary HDD attached by IDE cable, but not powered.
After Windows completely loaded, I started up Device Manager, Disk Management and CMD.
I plugged in the power to the secondary HDD and watched Vista crash, system hung completely for a few moments.
---The following is with Vista still dead---
After the moments passed, the HDD showed up on Device Manager, but Disk Management told me the hard drive needed to be reformatted. I clicked "HELL NO" and went to CMD.
I typed in chkdsk /f E: and waited.
After it spammed me with errors and repairs and finished, Vista came back to life and recognized the HDD.
After hitting Refresh on Disk Management the HDD went from Raw to NTFS.
I could still use some enlightenment on exactly what the heck happened. Was it MagicISO that made my HDD die? Or was it just the HDD's time to die? I'm can see how it would case the amber busy LED to keep bright, but I wasn't aware that it would cause my 750w power supply to sputter. Either way, it's working for now, and tomorrow I'm pulling everything off of it and getting a new HDD, I don't want to risk this one going belly up again.
Any thoughts on what happened?
Edited by Enyx, 18 April 2009 - 05:14 AM.