My bro bought me some new HD and it's suppose to be 256 GB but only 31.5 GB's showing up! My comp is a HP Pavillion Media Center 2002 120GB We don't know what's going wrong. First we put the cd in, installed the drivers and we never saw the hd under my computer and then he tried to boot the cd since he said that's what we were suppose to do and my comp just won't boot that cd. Anyways he moved something on the HD and it still didn't work but when I woke up the next morn I turned on my comp and went to my computer, there it was but it only had 31.5 GBs. So now we don't know why it won't give me the rest of my space.