Ive just installed another operating system on my pakard bell, it was xp home now its xp, i didnt save the drivers dammit, How can i tell what drivers i need ? from motherboard to audio to anyway my sister has the exact same comp, but is running xphome can i just copy the drivers from her comp and install them in mine? they are identicle except operating system, if so how do you find these drivers in her computer so i can copy them to cd and install into mine removed excessive ? marks