SUpp.. I Need help wid mah computer.. my computer is about 2 yrs old.. day before yestaday mah computer froze.. soo i hold the power button and i restarted the computer.. when it restarted... it says.. Please Insert system CD and presss enter.. when i brought the computer i didn't got any CD wid it.. so i need a problem.. do i really need to buy a new CD or there are other ways.. HELP HELP HELP HELPPPPPPPPPPP thankzz