1. Defrag your hard drive regularly. Defrag function is to organize and sort your files by type of hard disk files / data in such a way that will ease the process of read / write so that the workload will be easier to reply eventually extend disk. Do I click the Start menu >> Programs >> Accesories >> System Tools >> Disk Defragmenter. When running this function there can be no other programs including screen savers holiday because it would disrupt the function of this defrag.