NOTE: The amount of time it takes for Disk Sanitizer to run can take several hours. Plug the computer 
into an AC outlet before starting.
a. Turn on or restart the computer, and then press esc while the “Press the ESC key for Startup Menu” 
message is displayed at the bottom of the screen.
b. Select the Security menu and scroll down to the Utilities menu.
c. Select Hard Drive Tools.
d. Under Utilities, select Disk Sanitizer, select the hard drive storing the data you want to clear, and 
then follow the on-screen instructions to continue.
80 Chapter 11   Statement of memory volatility