: Press F10 to start. The process can take several hours depending on the drive size. Method 2: Using the Windows XP Installation Disc
: Insert the CD/USB and restart your computer. Press F12 (or your system's specific boot key) during startup to select the CD/USB drive as the boot device. Run the Wipe : wipe windows xp hard drive
At the DBAN prompt, type autonuke and press for an automatic wipe. : Press F10 to start