I have a friend's desktop and I haven't been able to figure out a solution to his issues. It always black screened during boot with an error mentioning it was unable to locate boot partition or something similar. In turn I attempted to troubleshoot thinking it might be a bad windows install or bad hard drive. Well I found out one of the SATA ports had been fried by the guy he bought it from and the guy installed a RAID/SATA card to compensate so both the cd drive and the hdd could both be functional. With a bit of testing the system began to work without the RAID card if only the hdd was plugged in. However, it still occassionaly ran into the problem and couldn't be reformatted even via USB. as of now we chucked the RAID card and I'm just trying to get the system running again for him to take back and use. All he ever does on it is basic browsing, youtube, etc and some music programs here and there. Any suggestions on how I can get this working again without spending a ton on parts?