This is my first time building up a computer, I already set up the system and I intalled the hard drive, the CMS configuration, and I also intall windows XP, the computer is working; however, every time I resart the computer the computer ask me to insert the correct cd to boot the computer. If I do it, it will start windows, but if I don't do it the system wiil not work. I would like to turn on my computer without using the cd that boot the computer, but I do not know what to fix. please help me.