Windows freezes before logon screen, even in safe mode

I was trying to create a dual boot system, Windows 7 and 8.1. Was using two separate physical drives, one for each OS, and two data drives. After installing a bunch of updates to 8.1, I tried to go back to 7, and the computer wouldn't boot up. Unplugged all the extra drives, and attempted...

After attempting to start my PC in Safe Mode to uninstall a graphics driver, it loaded drivers normally only to crash a few seconds after displaying the logon screen, which immediately caused the computer to load Windows normally. This error has been repeated countless times with the same result. ...

My computer always freezes at the shutdown loading screen (When i restart and shutdown). But when im in safe mode it shuts down normally. It Freezes for about 15 min each time then it goes back to my desktop and says an unexpected shutdown happened. I want to know if anyone knows how to fix this...

I tried going into safe mode, but when I hit the logon screen, my comp would automatically restart after a few seconds. The seconds are random. Normal mode/startup worked fine. So I thought I could try using msconfig and had windows do safeboot with minimal .... That was a bad idea, since now...

Ok guys, so i've cloned an image from my old laptop to my new Seagate 7200.12 500GB HDD and using Paragon Virtualization Manager P2P made it ready to boot off new hardware. I've put it in my new tower system, installed all the drivers and bundled software and it's been running fine since building...