We have a CPU that is Windows Vista 64 bit. Suddenly during the day (after an itunes update) it goes to a black screen that says Disk Boot Failure, Insert disk and press enter. Well when all else failed (safe mode, etc) I loaded a System Recovery Disk that I burned. It finally comes up and I click Repair your computer. When it prompts me to click on my operating system, there are none. So I click load drivers, then ok and it opens some folders up but none are the drivers. It will only try to open up System Information Files. So I bypass that and go to next. I can't do startup repair (Cannot repair this computer automatically)..Can't do system restore (To perform an offline system restore, you must specify which windows installation you would like to restore. For example, if the installation located in "C:\Windows" should be restored, enter the following command: rstrui.exe/offline:C:\windows. Can't do Windows Complete PC restore (A valid backup location could not be found--I do not have a backup set of disks) I'm at a loss...when I go into the load drivers, it lets me open folders on my computer so I see it there and the BIOS recognizes the HD. I even tried opening the computer up and unplugging and replugging things in to no avail. Any help?