Sony VGN-Z790D - Manual (Page 118)

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Customizing Your VAIO Computer >
Setting the Password
Changing/Removing the Power-on Password
To change or remove the power-on password (machine password)
1 Turn on the computer.
2 Press the F2 key when the VAIO logo appears.
The BIOS setup screen appears. If not, restart the computer and press the F2 key several times when the VAIO logo
appears.
3 Enter the machine password and press the Enter key.
4 Press the < or , key to select Security to display the Security tab, select Set Machine Password, and then press the
Enter key.
5 On the password entry screen, enter the current password once and a new password twice, and then press the Enter key.
To remove the password, leave the Enter New Password and Confirm New Password fields blank and press the Enter
key.
6 Press the < or , key to select Exit, select Exit Setup, and then press the Enter key.
At the confirmation prompt, press the Enter key.