Method #3: Clean PC hard drive by physically destroying it.Case #4: Securely overwrite deleted files only without affecting existing data.Case #3: Permanently erase certain files or folders on hard drive.Case #2: Fully wipe a computer internal hard drive that includes OS.Case #1: Erase an external disk / SD card.Method #2: Wipe a hard drive using free disk eraser – DiskGenius Free Edition.Method #1: Completely wipe computer HDD by resetting your PC.Overview on wiping a hard drive in Windows 10.
