ok ive got xp pro 64bit, durin an attempt to install linux i goofed and hit the wrong entry for partition and killed everything. as we speak i am reformatting hdd for xp pro re install64 bit did not come with a manual only the cd key , can ya tell me how to change the drive letter from a to c before reinstall cuz ive done it twic and it says failuer to read from drive c also how to do a dual boot partition. im so ashamed. ive had xp for three weeks and this is my 3rd reinstall