1. Reset Windows 7 Password with Fingerprint Logon on Sony
This method now can only be used for Windows 7, which is relied on fingerprint biometric device through Windows Biometric Framework. It makes easy for administrators and users to configure and control on a local or domain computer which will prevent from password lost. So as long as you have made a fingerprint for the Windows 7 Sony Vaio, you will never worry about the lost Windows 7 password issue any more.
2. Retrieve assword with Password Hint on Sony
It is well-known the password hint function for Windows Vista users. When creating a password to log on to Windows, you can create a hint which can do a great favor if you forgot the Windows Vista password. The password hint will not appear until you input a wrong Vista password. Seeing this password hint may jog your memory or indicate a place for you to look to find the password, so make sure you look into the password hint before giving up on getting back the original password.
3. Reset Password on Sony Vaio by Default Administrator account
We can use default administrator account for Sony Vaio Windows password recovery. There is a built-in Administrator user account in Windows XP that is auto generated when we install the PC and with password blank. If we didn't change this Administrator's password, then boot system from Safe mode and login in with the accounts to reset lost Sony Windows password.
Using the professional third-party software is a good choice, it can reset the password in a quick way, and no worry for losing any data, and also quite easy to use, you can try the Windows Password Reset in http://pwdspy.com
Two solutions for your problem: Solution 1: Change your password from propmt; Note: In this way, you must enable your built-in administrator account. Or else, it will not work. Solution 2: Use Windows Password Key to reset your forgotten password. Windows password key is an easy-to-use tool to reset Windows 8/7/XP/Vista password. It can reset your password within four minutes. More information please turn to http://www.lostwindowspassword.com