This PPT shows you how to recover Windows 7 login password, you can use this way to regain password without install cd, it is so easy that you can recover windows password successfully within 3 minutes related: http://www.windowspasswordsrecovery.com/articles/win7/recover-windows-7-administrator-password.html
How to Recover Forgotten Windows 7 Password Without CD?
Forgot Windows 7 login Password without installing CD or DVD?
Just go if you want to regain access to your locked Windows 7 computer.
Windows Password Recovery Tool is the best choice for losing password