Lenovo ThinkPad Yoga 11e (English) User Guide - Page 82

Menu item, Value, Comments, Disabled, Password at restart, Enabled, UEFIBIOSUpdateOption

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Table 5. Security menu items (continued) Menu item Submenu item Value Password at restart • Disabled • Enabled Set Minimum Length • Disabled • x characters (4≤x≤12) Power-On Password Hard Disk 1 Password UEFI BIOS Update Option Flash BIOS Updating by End-Users • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled Secure RollBack Prevention • Disabled • Enabled 66 User Guide Comments from either a power-off state or hibernation state, by an unattended event such as a Wake on LAN attempt. 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. 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 51. Refer to "Hard disk passwords" on page 54. If you select Enabled, all users can update the UEFI BIOS. If you select Disabled, only the person who knows the supervisor password can update the UEFI BIOS. If you select Disabled, you can flash to an earlier version of the UEFI BIOS. If you select Enabled, you cannot flash to an earlier version of the UEFI BIOS.

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Table 5. Security menu items (continued)
Menu item
Submenu item
Value
Comments
from either a power-off
state or hibernation state,
by an unattended event
such as a Wake on LAN
attempt.
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.
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 51.
Hard Disk 1 Password
•
Disabled
•
Enabled
Refer to “Hard disk
passwords” on page
54.
Flash BIOS Updating by
End-Users
•
Disabled
•
Enabled
If you select
Enabled
,
all users can update the
UEFI BIOS. If you select
Disabled
, only the person
who knows the supervisor
password can update the
UEFI BIOS.
UEFIBIOSUpdateOption
Secure RollBack Prevention
•
Disabled
•
Enabled
If you select
Disabled
,
you can flash to an earlier
version of the UEFI BIOS.
If you select
Enabled
, you
cannot flash to an earlier
version of the UEFI BIOS.
66
User Guide