Sony VGN-Z790D - Manual (Page 120)

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Customizing Your VAIO Computer >
Setting the Password
Adding the Hard Disk Password
The hard disk password provides additional security for the data stored on your built-in storage device. If you enable the hard
disk password, this adds an extra level of security.
When adding the hard disk password, you must set both the master and user passwords. The master password is provided
for users with administrative rights on the computer to reset the user password in the BIOS setup screen. The user password
is provided to lock your built-in storage device. Once you set the user password, you will have to enter the password along
with the power-on password (if set), after the VAIO logo appears.
!
You cannot start your computer with the master password.
If you forget the master password or the keyboard fails, which is critical to password entry, no bypass is possible and the data stored on the built-in
storage device will not be accessible. There is NO RESET of this password. You will have to replace the built-in storage device at your own expense and
lose all the data originally stored on the device. Be sure to write down the master password and keep it safe and private from other people.
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If you have set the hard disk password in conjunction with the fingerprint authentication function, you can substitute fingerprint authentication for
password entry when turning on your computer. For more information, see Using Fingerprint Authentication
(page 66) .