

There are some vague forum reports of buying very strong neodymium magnets and using those to degauss the drive by rubbing it on both sides: NSA approved degaussing wands appear to run about $500 - $600. You can also get a bunch of magnets and hope that scrambles enough of your data. It will take a short while to delete all the files and change the format of the disk.For completeness, there's always demagnetizing. Enter a name for the drive in Volume label and select the format type in the File system dropdown box.Right click on the drive and select Format.Complete the following steps in Disk Management: Use the start menu to search for and open the disk management utility – “Create and format hard disk partitions”. It will take a short while to delete all the files and change the format of the disk. Select the format type you wish to use and give the drive a name.Select the drive you wish to format from the list.

Next, complete the following steps in Disk Utility To find it quickly, do a search for “Disk Utility” in the spotlight (magnify glass) icon on the upper right side of the screen. To reformat a hard drive or USB stick first open Disk Utility.
