you need
  • - Partition Manager;
  • - installation disk Windows.
Guide
1
Few people want to format the system hard drive, without installing a new operating system.If you still need to clean the hard disk from the OS, you can use this to another computer.Remove the hard drive from the system unit.Connect the hard drive to another computer, using it as a secondary hard drive.
2
Turn on this computer.Open the list of existing partitions on the hard disk (menu "My Computer").Right-click on the system partition drive and select "Format".Specify if you want the new cluster size, and set the volume label.Click "Start" to start the cleaning process.
3
If you can not connect a hard drive to another computer, use the installation disc, Windows Seven or Vista.Insert one of said disk drive.Run Setup operating system.
4
When the display window with a list of existing partitions, press the "Setup disk ยป (Disk Settings).Select the system partition and click "Format".If you do not want to install a new OS, just turn off the computer.
5
As an alternative to the installation disk, use the program Partition Manager.Plus this utility is that you can set up certain operations, which would later be made in DOS-mode.
6
Run Partition Manager and activate the experienced user.Right-click on the system partition disk .Select "Format".Confirm the selected operation in the next window.Specify the file system format of pure volume.
7
To start, click "Apply the pending changes."After some time a window will appear, containing a proposal to restart the computer.Click the "Restart Now."The program will continue running DOS.