Press and hold down the(Power) button for more than four seconds. If your VAIO computer is equipped with the power indicator, check that it is off. Then, restart the computer and enter the correct password.

The password is case-sensitive, so be sure to check letters for the current case before you enter the password.

If you forget the power-on password, you cannot start your VAIO computer. See What should I do if I forget the power-on password to start my VAIO computer? for more information.