Password Considerations; User Password; Administrator Password Or Supervisor Password; Setting, Changing, And Deleting A Password - Lenovo ThinkCentre M57 User Manual

You do not have to set any passwords to use your computer. However, if you
decide to set any passwords, read the following sections.

Password considerations

A password can be any combination of up to 12 (1 to 12) alphabetic and numeric
characters. For security reasons, it is a good idea to use a strong password that
cannot be easily compromised. Passwords should adhere to the following rules:
v To set a strong password, have at least eight characters in length and contain at
v Setup Utility program and hard disk drive passwords are not case sensitive
v Not be your name or your user name
v Not be a common word or a common name
v Be significantly different from your previous password

User Password

When a User Password is set, the computer cannot be used until a valid password
is typed from the keyboard.

Administrator Password or Supervisor Password

Note: The term Administrator Password is used in this section. However, depending
When an Administrator Password is set, it deters unauthorized persons from
changing configuration settings. If you are responsible for maintaining the settings
of several computers, you might want to set an Administrator Password.
After you set an Administrator Password, a password prompt is displayed each
time you try to access the Setup Utility program.
If both the User Password and Administrator password are set, you can type either
password. However, to change any configuration settings, you must use your
Administrator Password.

Setting, changing, and deleting a password

To set, change, or delete a password, do the following:
Note: A password can be any combination of up to 12 (1 to 12) alphabetic and
1. Start the Setup Utility program. See Chapter 4, "Using the Setup Utility," on
2. From the Setup Utility program menu, select Security.
3. Select Set Passwords. Read the information displayed on the right side of the
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User Guide
least one alphabetic character and one numeric character
on your computer model, either Administrator Password or Supervisor
Password might be used.
numeric characters. For more information, see "Password considerations".
page 9.
screen.