I built a new computer using a old hard drive and old ram, the rest of the parts are new, when I got it together and powered it up I couldn’t get past the error your pc needs to be repaired screen, I downloaded windows media to flash drive and selected it the bios and that got me to the windows setup, I’ve gone through all the repair options and went through the install without key and tried that way but it sends me back to the error screen at the end, I got a disc with my motherboard but I have no disc drive to use it with, I’m not sure if that’s the problem or what do to?