To erase all partitions on primary boot hard drive except the diagnostic partition:
Back up any data on the workstation's boot hard disk that you want to save.
Insert the Tools and Drivers DVD into the workstation DVD drive and power cycle the workstation.
The workstation will boot from the Tools and Drivers DVD.
When the Tools and Drivers main menu appears, select the following option:
Erase Primary Boot Hard Disk
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.