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• To remove the user hard disk password, type the current master hard disk password in the Enter Current
Password eld. Then leave the Enter New Password and Conrm New Password elds 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 eld. Then type the new master hard disk password in the Enter New Password
eld, and retype the password you just entered to verify it in the Conrm New Password eld. 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 eld. Then leave the Enter New Password and Conrm New Password elds 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 conguration 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 conguration 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 Setting 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 disabling the Boot Order Lock
– Enabling or disabling the Flash BIOS Updating by End-Users feature
– Enabling or disabling the Internal Network device
– Enabling or disabling the Internal Wireless device
– Enabling or disabling the Internal Bluetooth device
– Enabling or disabling the Internal Wireless WAN device
– Enabling or disabling the Security mode
– Enabling or disabling the Reader priority
– Erasing the ngerprint data
Chapter 4. Security 93