Windows 7 — Delete Hard Drive

Before you begin any "delete hard drive" process, . Once these processes start, they are permanent and irreversible. You should also ensure you have your Windows 7 installation media (DVD or USB) ready if you plan to reinstall the operating system afterward. 2. Built-in Method: The "Clean All" Command

To ensure your private information is unrecoverable, you must use specific built-in tools or third-party software. 1. Preparation: Backup Your Data delete hard drive windows 7