Security menu
If you need to set the security features of your computer, select
Security
from the ThinkPad Setup menu.
Notes:
• Default values are in
boldface
. The default settings are already optimized for you. If you consider
changing the computer configuration, proceed with extreme caution. Setting the configuration incorrectly
might cause unexpected results.
• On each submenu, press Enter to show selectable options and select a desired option, or type desired
values from the keyboard directly.
• Some items are displayed on the menu only if the computer supports the corresponding features.
The following table lists the
Security
menu items.
Table 5. Security menu items
Menu item
Submenu item
Selection
Comments
Supervisor Password
•
Disabled
• Enabled
Refer to “Supervisor password” on
page 42.
Lock UEFI BIOS Settings
•
Disabled
• Enabled
Enable or disable the function that
protects items in the ThinkPad
Setup program from being changed
by unauthorized users. By default,
this is set to
Disabled
. If you set
the supervisor password and enable
this function, no one but you can
change the items in the ThinkPad
Setup program.
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 or hibernation state. If
you select
Disabled
, no password
prompt is displayed; the computer
goes ahead and loads the operating
system. To prevent unauthorized
access, you can set the user
authentication on the operating
system.
Password at restart
•
Disabled
• Enabled
If you select and enable
Password
at restart
, a password prompt is
displayed when you restart the
computer. If you select
Disabled
,
no password prompt is displayed;
the computer goes ahead and loads
the operating system. To prevent
unauthorized access, you can set
the user authentication on the
operating system.
Set Minimum Length
•
Disabled
• x characters
(4≤x≤12)
Specify a minimum length for
power-on password and hard disk
passwords. If you set the supervisor
password and specify a minimum
length for passwords, no one but
you can change the length.
Password
76
User Guide
Summary of Contents for ThinkPad S531
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