i just brought an packard bell laptop with vista And i was shocked!! it runs so fusking slow i just cant take it so i took my Win xp cd and i wanted to install it so i put it in my laptop then restart the damn thing and it doesnt ask me to start from cd what do i do now? i want to start it from cd cause i dont know how to install it otherwise can someone pls help me im clueless bah dont like vista