Lenovo ThinkPad T550, User Manual

Page: 99 / 184

Table 4. Security menu items (continued)
Menu item Submenu item Value Comments
Password at Boot
Device List • Disabled
• Enabled
If the Security password is set, this option is
used to specify whether the Security password
must be entered to display the F12 boot device
list.
Select Enabled to prompt for the Security
password. Select Disabled to proceed without
any user action required.
Password Count
Exceeded Error • Disabled
• Enabled
Select Enabled to show the POST 0199 error
and prompt for the Security password. Select
Disabled to hide the POST 0199 error and
proceed without any user action needed.
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 61.
Hard Disk x
Password • Disabled
• Enabled
See “Hard disk passwords” on page 63.
Note: Hard Disk 1 means the hard disk drive
built into your computer.
Predesktop
Authentication • Disabled
• Enabled
Enable or disable fingerprint authentication
before the operating system is loaded.
Reader Priority • External ➙
Internal
• Internal Only
If External
➙
Internal is selected, an external
fingerprint reader is used if attached. Otherwise,
an internal fingerprint reader is used. If
Internal
Only is selected, an internal fingerprint reader
is used.
Security Mode • Normal
• High
If fingerprint authentication fails, you still can
start the computer by entering a password. If
you have selected
Normal , enter a power-on
password or a supervisor password; if you have
selected
High , enter a supervisor password.
Password
Authentication • Disabled
• Enabled
Enable or disable password authentication. This
item is displayed only if you have selected
High
for the Security Mode option.
Fingerprint
Reset Fingerprint
Data • Enter This option is used to erase all fingerprint data
stored in the fingerprint reader and reset settings
to the factory state. As a result, any power-on
security features previously enabled will not be
able to work until they are re-enabled in the
fingerprint software.
Chapter 6
.
Advanced configuration
83