I know there are some threads on this site covering 'NTLDR is missing' errors however, I'd like to outline my setup and get some step-by-step advice as this is slightly more complicated that those i've seen. I built my current PC using components from my old one (which had two hard drives. I'll call them C: and D. My old PC used win XP Pro. After building the new PC, I managed to format the C: and installed Win XP Pro on it. all well and good. But when I set Drive D: as slave and rebooted, I got the 'NTLDR is missing' error. Now, I have a good installation on Drive C:, and don't want to f*ck it up by booting up into windows on D: and finding myself in the reverse situation, where D: is the main drive and C: is one with the NTLDR is missing error (I hope you get my drift). All I want is to get the other D: formatted (I have 20-30 movies on it, but can try to extract them with disaster recovery software). Can someone outline in detail, how to either reformat D:, or (better still) gain access to D: and copy the files across to C: and then format D: and return it to use as the slave/secondary drive.