Formatting a hard drive does not completely erase data either. Simply deleting files by Shift + Delete or emptying the Recycle Bin does not permanently clear data, as deleted files can easily be recovered by recovery software. However, the fact is that wiping out a hard drive is not as easy as deleting data or formatting hard disk. You may have already formatted the hard drive or deleted files on it in order to erase sensitive personal data and avoid becoming the victim of identity theft. It's common to most users to sell or give away computer or hard drive when they want to dispose of old device or upgrade to new ones. 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.

How to wipe your computer