Lenovo ThinkPad T540p (English) User Guide - Page 131

Menu item, Selection, Comments, Disabled, Enabled, Password at unattended, Password at restart

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Table 5. Security menu items (continued) Menu item Submenu item Lock UEFI BIOS Settings Selection • Disabled • Enabled Password at unattended boot • Disabled • Enabled Password at restart • Disabled • Enabled Set Minimum Length • Disabled • x characters (4≤x≤12) Power-On Password • Disabled • Enabled Comments Enable or disable the function that protects items in ThinkPad Setup 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 items in the ThinkPad Setup program. 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 state. 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. 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, set the user authentication on the operating system. 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. Refer to "Power-on password" on page 47. Chapter 8. Advanced configuration 115

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Table 5. Security menu items (continued)
Menu item
Submenu item
Selection
Comments
Lock UEFI BIOS Settings
•
Disabled
• Enabled
Enable or disable the
function that protects
items in ThinkPad Setup
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
itemsintheThinkPadSetup
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
state 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, 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, set the user
authentication on the
operating system.
Set Minimum Length
•
Disabled
• x characters
(4≤x≤12)
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.
Power-On Password
•
Disabled
• Enabled
Refer to “Power-on
password” on page 47.
Chapter 8
.
Advanced configuration
115