ok ive had my computer 4 like six months and its been working great until today. its a gateway with windows xp. When i turn it on it boots ip like normal and then goes to the "microsoft windows xp" blue screen. normallly i think it says welcome and boots up.ive never had problems with my computer until now. its brand new under warranty and i dont want to take it to get fixed so can anyone help me?Oh yeah its set to boot up on the hd with windows on it.