A method for supporting pre-boot log in is described herein. The method includes receiving a password, via an operating system of the computer system, selected by a user for use in a pre-boot log in. The method includes determining whether the password can be entered by the user prior to completion of booting of the computer system. If the password cannot be entered by the user prior to completion of the booting, the method includes signaling that the password is unacceptable.