Does factory reset completely wipe computer?
During the factory resetting process, your PC’s hard drive is completely erased and you lose any business, financial and personal files that may be present on the computer. Once the resetting process starts, you cannot interrupt it.
How do you 100% wipe a computer?
How do I permanently delete everything off my laptop?
To reset certain types of Surface devices from within Windows, go to Start > Settings > Update & security > Recovery. Under “Reset this PC,” select “Get started” and the “Remove everything” option. Choose to fully clean the drive.