Have a laugh .... hyeah:
http://www.datadocktorn.nu/us_frag1.phpA hard drive becomes fragmented very, very fast.
What happens is that all the tiny ones and zeros gets mixed and confused, and to get back the original speed on Your hard drive it's necessary to Defragment it.
There are several of different species of software to make this happen, but the most excellent way to do it is a hardwaredefragmentation. you'll only need some basic data-mechanical-skills to be able to accomplish this operation.