Follow the simple steps :

1.Open the start menu, and click on “Run”. After this, type in cmd . A command-line window will appear.

2.To run the Windows Disk defragmenter, simply type in defrag <volume you wish to defragment> ie: If you want to defragment C drive then just type defrag c:

Microsoft has provided the additional parameters to simplified the Defragmentation of drives. So you can use this options in the command line.

Parameters :

/a : Analyzes the volume and displays a summary of the analysis report.

/v : Displays the complete analysis and defragmentation reports.

When used in combination with /a, displays only the analysis report. When used alone, displays both the analysis and defragmentation reports.

/f : Forces defragmentation of the volume regardless of whether it needs to be defragmented.

/? : Displays help at the command prompt.

Syntax :

• defrag volume
• defrag volume [/a]
• defrag volume [/a] [/v]
• defrag volume [/v]
• defrag volume [/f]

Give a try to this simple method and Defragment your hard drives to increase the system performance.

Links : Microsoft’s Tutorial