Trouble when starting Win XP

I build a new system AMD 2400 with 40g hard drive , 512Ram and Mad Dog Video Card 64MB Geoforce 400 . Everything new but now it couldn’t start Window normally, I had to reset couples time in order to make Window come on . Anyone have the answer please show me
Thanks

Jesus Christ!

This is a OpenGL 3D graphics forum and not a “I nuked my system, fix it for me” forum…