Press Enter to run DBAN in interactive mode.Ħ. Restart the computer using the CD or floppy disk created in Step 3.ĥ.

If you downloaded the floppy image builder, run the program to create a bootable floppy disk.Ĥ. Burn the ISO image file extracted in Step 2 to CD or use the built-in ISO CD image burning support in Windows 7. Extract the contents of the compressed file.ģ.

Download the DBAN boot image ZIP file (we used version 1.0.7 and beta version 2.0 for this article) we downloaded the ISO image for CD burning, but a floppy disk builder is also availableĢ. Media: blank CD (all versions) or floppy disk (version 1.0.7 and older versions)ġ. Time Needed: several hours (varies with size and speed of drive) Stanford University’s Disk and Data Sanitization Policy and Guidelines, a must-read for understanding data wiping issues, recommends Darik’s Boot and Nuke (DBAN) for secure hard disk wiping. (Note that the 2007 revision of the Defense Security Service, Updated DSS Clearing and Sanitization Matrix (June 28, 2007) (PDF) now recommends degaussing or drive destruction for maximum protection. More information about this and other secure standards are available from the DataErasure website. Most secure wiping programs are designed to meet DoD 5220 standards, which require three passes of overwriting with a special numeric pattern and verification. Secure wiping goes beyond zero-fill operations, and provides an extra level of security. Remove the wiped hard disk you can now reuse or recycle the hard disk. When the program is finished, follow the on-screen instructions to shut down or restart your computer.ħ. Choose the option to zero-fill the hard disk.Ħ. Select the hard disk to zero-fill when prompted.ĥ. Restart your computer with the bootable media you created in Step 2.Ĥ. You will need to use a CD burning program that works with ISO images to convert the ISO image into a bootable CD.ģ. The floppy disk image is self-contained: run it, insert a blank floppy disk when prompted, and the image is created on the disk.

Download a CD ISO image or a floppy disk image (depending upon your equipment) and use the image to create bootable media. Determine the brand and model of hard disk you want to overwrite.Ģ. Use Write Zeros to drive to zero-fill your hard diskġ. Use Full Erase to zero-fill your hard disk.

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