How to fix the Blue Screen of Death on Windows 7 and Windows 2008 R2 and later OSs.
Boot the computer into Recovery console. This can be done with the Windows disk.
Restore Registry from a previous backup.
You need to find the drive letter that hold the windows directory of your install.
Go to that drive letter.
copy *.* *.old
copy e:windowssystem32RegBack*.* *.*
Reboot, F8 last known good settings.
You computer should come back to the windows booting screen and load your desktop.