Using passwords
The password-setting feature helps to prevent your computer from
being used by others. Once you set a password, a prompt appears
on the screen each time you turn on the computer. You must enter
your password at the prompt. You cannot use the computer unless
you type the correct password. You can set the following passwords
on your computer:
Power-on password
Set the power-on password to protect your computer from use by
another person. It provides the following security features:
You need to type the power-on password at startup. There-
fore, unauthorized users cannot use your computer.
You need to type the power-on password when resuming
from suspend mode. Therefore, unauthorized users cannot
use your computer.
Hard disk password
The hard disk password provides an extra measure of security.
Even if you set a power-on password, another user can remove
the hard disk drive in your computer and put it in a different com-
puter to access your data. If you set a hard disk password,
however, another person cannot access the data on your hard
disk without knowing the password. It provides the following
features:
You need to type the hard disk password at startup.
If the hard disk drive is moved to another computer, the hard
disk password must be typed at startup. Therefore, unauthor-
ized users cannot access your hard disk even if the drive is
removed from the computer.
Note: The hard disk password might be disabled by your system
administrator.
Supervisor password
The supervisor password is a tool provided for the system
administrator to control many ThinkPad computers. The super-
visor password is set by the system administrator and it is not
72 ThinkPad 240 User's Reference