Lenovo ThinkPad T520 (English) User Guide - Page 119

Supervisor password, Enabling or disabling the Lock UEFI BIOS Settings feature - bios setup

Page 119 highlights

Setup Notice window is displayed. Press F10 to exit from the Setup Notice window. The user hard disk password will be removed. To change or remove the User + Master hard disk password, select User HDP or Master HDP. If you choose User HDP, do one of the following: • To change the user hard disk password, type the current user hard disk password or the current master hard disk password in the Enter Current Password field. Then type the new user hard disk password in the Enter New Password field, and retype the password you just entered to verify it in the Confirm New Password field. Press Enter, and a Setup Notice window is displayed. Press F10 to exit from the Setup Notice window. The user hard disk password will be changed. • To remove the user hard disk password, type the current master hard disk password in the Enter Current Password field. Then leave the Enter New Password and Confirm New Password fields blank, and press Enter. A Setup Notice window is displayed. Press F10 to exit from the Setup Notice window. Both the user and master hard disk passwords will be removed. If you choose Master HDP, do one of the following: • To change the master hard disk password, type the current master hard disk password in the Enter Current Password field. Then type the new master hard disk password in the Enter New Password field, and retype the password you just entered to verify it in the Confirm New Password field. Press Enter, and a Setup Notice window is displayed. Press F10 to exit from the Setup Notice window. The master hard disk password will be changed. • To remove the master hard disk password, type the current master hard disk password in the Enter Current Password field. Then leave the Enter New Password and Confirm New Password fields blank, and press Enter. A Setup Notice window is displayed. Press F10 to exit from the Setup Notice window. Both the user and master hard disk passwords will be removed. Supervisor password The supervisor password protects the system information stored in the ThinkPad Setup. Without it, no one can change the configuration of the computer. It provides the following security features: • If a supervisor password is set, a password prompt appears when you try to start the ThinkPad Setup. Unauthorized users cannot get access to configuration data. • The system administrator can use the supervisor password to get access to a computer even if the user of that computer has set a power-on password. The supervisor password overrides the power-on password. • If both a supervisor password and a power-on password are set, you can do the following only if you have the supervisor password: - Deleting the power-on password - Changing or deleting the supervisor password - Enabling or disabling the Wake on LAN and Flash over LAN features - Enabling or disabling the Internal Network Option ROM feature - Changing date and time - Enabling or disabling the Lock UEFI BIOS Settings feature - Enabling or disabling the Password at unattended boot - Specifying the minimum length for power-on passwords and hard disk passwords - Changing the setting for the security chip - Enabling or disabling the Boot Device List F12 Option - Enabling or diabling the Boot Order Lock Chapter 4. Security 101

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Setup Notice window is displayed. Press F10 to exit from the Setup Notice window. The user hard
disk password will be removed.
To change or remove the
User + Master
hard disk password, select
User HDP
or
Master HDP
.
If you choose
User HDP
, do one of the following:
To change the user hard disk password, type the current user hard disk password or the current master
hard disk password in the
Enter Current Password
field. Then type the new user hard disk password
in the
Enter New Password
field, and retype the password you just entered to verify it in the
Confirm
New Password
field. Press Enter, and a Setup Notice window is displayed. Press F10 to exit from the
Setup Notice window. The user hard disk password will be changed.
To remove the user hard disk password, type the current master hard disk password in the
Enter Current
Password
field. Then leave the
Enter New Password
and
Confirm New Password
fields blank, and
press Enter. A Setup Notice window is displayed. Press F10 to exit from the Setup Notice window. Both
the user and master hard disk passwords will be removed.
If you choose
Master HDP
, do one of the following:
To change the master hard disk password, type the current master hard disk password in the
Enter
Current Password
field. Then type the new master hard disk password in the
Enter New Password
field, and retype the password you just entered to verify it in the
Confirm New Password
field. Press
Enter, and a Setup Notice window is displayed. Press F10 to exit from the Setup Notice window. The
master hard disk password will be changed.
To remove the master hard disk password, type the current master hard disk password in the
Enter
Current Password
field. Then leave the
Enter New Password
and
Confirm New Password
fields blank,
and press Enter. A Setup Notice window is displayed. Press F10 to exit from the Setup Notice window.
Both the user and master hard disk passwords will be removed.
Supervisor password
The supervisor password protects the system information stored in the ThinkPad Setup. Without it, no one
can change the configuration of the computer. It provides the following security features:
If a supervisor password is set, a password prompt appears when you try to start the ThinkPad Setup.
Unauthorized users cannot get access to configuration data.
The system administrator can use the supervisor password to get access to a computer even if the user of
that computer has set a power-on password. The supervisor password overrides the power-on password.
If both a supervisor password and a power-on password are set, you can do the following only if you
have the supervisor password:
Deleting the power-on password
Changing or deleting the supervisor password
Enabling or disabling the Wake on LAN and Flash over LAN features
Enabling or disabling the Internal Network Option ROM feature
Changing date and time
Enabling or disabling the Lock UEFI BIOS Settings feature
Enabling or disabling the Password at unattended boot
Specifying the minimum length for power-on passwords and hard disk passwords
Changing the setting for the security chip
Enabling or disabling the Boot Device List F12 Option
Enabling or diabling the Boot Order Lock
Chapter 4
.
Security
101