2 days ago I was helping my friend build his PC, and so I did. This was my 10th build and I knew what I was doing but, I have never seen this happen before, after powering on the PC I saw smoke coming out the Hard Drive, the PC boots up into BIOS good. It's just the Hard Drive keeps frying, I have used two new Hard drives and they both fried. I honestly do not know what to do. I have tried simple troubleshooting and nothing seems to work. Any suggestions would help please!