factory reset
factory reset
You won 11 and performed a factory reset before giving the laptop to someone else. The reset process removes all files, restarts the device, and prompts for your password. To wipe the system without being the administrator, you’ll need to follow the steps carefully or use alternative methods.
Activate the built-in Administrator account and reset its password to blank. Proceed by logging into the built-in Administrator and removing your personal account. If your account lacks admin rights, you won't be able to perform these actions.
All details are covered in this discussion. A quick 3-second search on Google provides it.