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Notes:
• The default settings are already optimized for you. If you consider changing the computer conguration,
proceed with extreme caution. Setting the conguration incorrectly might cause unexpected results.
• On each submenu, you can enable a function by selecting Enabled, or disable it by selecting Disabled.
The following table shows the contents of the Security menu.
Notes:
• Some items are displayed on the menu only if the computer supports the corresponding features.
• Default values are in boldface.
Table 5. Security menu items
Menu item
Submenu item Selection Comments
Supervisor Password
• Disabled
• Enabled
Refer to “Supervisor
password” on page 48.
Lock UEFI BIOS Settings
• Disabled
• Enabled
Enables or disables the
function that protects
items in the ThinkPad
Setup program from
being changed by a user
who does not have the
supervisor password.
By default, this is set to
Disabled. If you set the
supervisor password and
enable this function, no
one but you can change
any items in the ThinkPad
Setup program.
Set Minimum Length
• Disabled
• Password length options
Specify a minimum length
for the power-on password
and hard disk password.
By default, this is set to
Disabled. If you set the
supervisor password and
specify a minimum length
for passwords, no one but
you can change the length.
Password at unattended
boot
• Disabled
• Enabled
If you select and enable
Password at unattended
boot, a password prompt
is displayed when the
computer is turned on, from
either a power-off state or
hibernation. If you select
Disabled, no password
prompt is displayed; the
computer goes ahead and
loads the operating system.
To prevent unauthorized
access, set the user
authentication on the
operating system.
Password
92 User Guide