How to encrypt your computer?

Users questions: How does the system with vista disk to do with U lock? Similar to the door when the use of keys, start to insert U disk can boot that way, is there?
Experts answer: has the following recommendations: 1, system password: Click the Start menu, open Control Panel, click User Accounts, point your own account. Selected Change the code on it. 2, a BIOS password, boot press DEL to enter, to find such a "password" line, set the password, save what, fine. 3, with related software.
  • This information provided by the users.Thanks!