i just got a sony laptop and dont know why it has a 40gig hard drive partitions in 3. partitions 0 is about 5gigs and partitions 1 is 15gigs(windows XP pro) and partitions 2 is 20gigs....is it for it to hibernate but thats about 600mb(i think thats all it needs).....Im wanting to know becasue im having to reinstall windows XP.....so do i leave it the way it is or just to two 20gigs partitions? thanks to any info