i have an early 09 aluminum macbook. its been a pretty good machine until the last few months. its become very slow and i have to reboot sometimes just to get it to speed up/ stop freezing. tired of this i reinstalled osx using the disc that came with the computer. i chose the archive option. the macbook is now slower and almost unusable. any ideas of what i can do to fix it? just restarted and now my keyboard and trackpad/mouse no longer work.