Lenovo ThinkCentre M57 English (User guide) - Page 18

Password, considerations, Administrator, Supervisor, Setting, changing, deleting, password

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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 least one alphabetic character and one numeric character 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 on your computer model, either Administrator Password or Supervisor Password might be used. 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 numeric characters. For more information, see "Password considerations". 1. Start the Setup Utility program. See Chapter 4, "Using the Setup Utility," on page 9. 2. From the Setup Utility program menu, select Security. 3. Select Set Passwords. Read the information displayed on the right side of the screen. 10 User Guide

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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
least
one
alphabetic
character
and
one
numeric
character
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
on
your
computer
model,
either
Administrator
Password
or
Supervisor
Password
might
be
used.
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
numeric
characters.
For
more
information,
see
“Password
considerations”.
1.
Start
the
Setup
Utility
program.
See
Chapter
4,
“Using
the
Setup
Utility,”
on
page
9.
2.
From
the
Setup
Utility
program
menu,
select
Security
.
3.
Select
Set
Passwords
.
Read
the
information
displayed
on
the
right
side
of
the
screen.
10
User
Guide