Application function to format the hard drive down to the roots, for those of you who like to fix the hard drive would require the application Disk Defragmenter is a tool that is used to regulate the structure or layout of the file so that it will reduce the fragmentation of a disk space. Disk Defragmenter is a program that berinduk on the computer's operating system (OS) is useful for such a mess after finish your files after finish buku.jika you open any file that the automatic windows will work or taking up space automatically in the placement of partitions in the space or gap hard drive. In addition to arranging for a file, defragmenter also has the function of safeguarding the stability and condition of the hard drive because the defragmenter is able to accommodate and to fix my boot sector or hard disk errors in the program, so windows that we use today is very good to its users with a distinguished tools2 useful in maintaining the hardware . The logic is this, can not re-arrange the windows automatically (without the help Defragmenter), files that have been deleted, copied or opened. So with that windows provides recent documents (open history file) and system restore point to cope with if in the process of defragmenting can not be arranged kembali.Disk defragmenter found on the OS and there are also a lot of software available on the internet. Scan Disk is a tool that is used to examine the structure of the system files, applications to track damage to the disk and fix it. The process of organizing the disk is known as low-level format. With this format then process each region on the surface of the hard disk will be divided on the track, head, and so the hard disk sector will know where the location of a track x, y and sector head z