The Erase Primary Boot Hard Disk option erases all partitions and all user data on the hard drive, except the diagnostic partition.
Be sure to back up any data you want to save on the hard drive before performing this action.
Insert the Tools and Drivers DVD into the system.
When the main menu appears, select the Erase Primary Boot Hard Disk option from the Tools and Drivers DVD main menu.
This option erases all partitions currently located on the primary hard drive, except for the diagnostic partition. The diagnostic partition, if it is present, remains untouched.
When prompted, confirm that you wish to delete the partitions.
When prompted, press any key to reboot the system.