Hi i recently got a laptop and there woz no disc with it it had windows 7 on it but i formatted the laptop to put windows xp prof on it.when i put the xp cd in and booted it i went through sum things i got to setup formatting the partition got to 35% then the laptop goes off this has happend twice now can anyone tell me why plz? I really need help plz as i dont know wot to do.also unsure as to y my outher comment woz taken off so if this 1 is can u tell me why plz.thanx