<< ok i just got a 40GB harddrive, i put it in and did the software it needed, then it only reqonised 15 of the 40, would it be posible for it to still use the extra 25GB >>
hmm, has it occured to you that your hdd may actually be a 15Gb one if you only made 1 partition?
post the make, model number & any other id strings on the top of the hdd!