Lenovo ThinkPad T540p - Manual (Page 132)

Table 5. Security menu items (continued)
Menu item Submenu item Selection Comments
Hard Disk1 Password • Disabled
• Enabled
Refer to “Hard disk
passwords” on page
49.
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 available when high
security mode is selected.
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.
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. UEFI BIOS Update Option
Secure RollBack Prevention • Disabled
• Enabled
If you select Disabled, you
can flash the older version
UEFI BIOS.
116 User Guide