Lenovo 24684XU Laptop User Manual


 
3. Type the date or time.
Note: Another way to adjust the date and time is press the “–” or “+” key.
Security menu
If you need to set the security features of your computer, select Security from the ThinkPad Setup menu.
The following table lists the Security menu items.
Notes:
Default values are in boldface. The default settings are already optimized for you. If you consider
changing the computer conguration, proceed with extreme caution. Setting the conguration 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.
Table 5. Security menu items
Menu item
Submenu item Selection Comments
Supervisor
Password
Disabled
Disabled
See “Supervisor password” on page 52.
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 any items in ThinkPad
Setup.
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, by an unattended event such as Wake
on LAN. 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 power-on
passwords 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.
Power-On
Password
Disabled
Enabled
See “Power-on password” on page 50.
Password
Hard Disk x
Password
Disabled
Enabled
See “Hard disk passwords” on page 50.
Note: Hard Disk 1 means that the hard disk
drive is built into your computer.
116 User Guide