How to Uninstall Linux Limpus from my Laptop

Hi,

I have a mino loptop that has a defauld OS of Lunux Limpus. I wanted to reformat my laptop and out a Windo XP on it. But I don’t know what to do. My Lapto doesn’t jave CDROM all is USP ports. Please let me know the detailed “How to’s” so that I can install XP in my MiniLaptop.