Lenovo ThinkPad 500 Hardware Maintenance Manual - Page 42

Passwords, Power-on, password, Hard-disk, Supervisor - thinkpad t500 user manual

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8. When the recovery process is complete, the Welcome to Microsoft Windows screen is displayed. Follow the instructions on the screen to complete the Windows setup. Passwords As many as three passwords may be needed for any ThinkPad computer: the power-on password (POP), the hard-disk password (HDP), and the supervisor password (SVP). If any of these passwords has been set, a prompt for it appears on the screen whenever the computer is turned on. The computer does not start until the password is entered. Exception: If only an SVP is installed, the password prompt does not appear when the operating system is booted. Power-on password A power-on password (POP) protects the system from being powered on by an unauthorized person. The password must be entered before an operating system can be booted. For how to remove the POP, see "How to remove the power-on password" on page 35. Hard-disk password There are two hard-disk passwords (HDPs): v User HDP-for the user v Master HDP-for the system administrator, who can use it to get access to the hard disk even if the user has changed the user HDP Note: There are two modes for the HDP: User only and Master + User. The Master + User mode requires two HDPs; the system administrator enters both in the same operation. The system administrator then provides the user HDP to the system user. Attention: If the user HDP has been forgotten, check whether a master HDP has been set. If it has, it can be used for access to the hard disk drive. If no master HDP is available, neither Lenovo nor Lenovo authorized servicers provide any services to reset either the user or the master HDP, or to recover data from the hard disk drive. The hard disk drive can be replaced for a scheduled fee. For how to remove the POP, see "How to remove the hard-disk password" on page 35. Supervisor password A supervisor password (SVP) protects the system information stored in the BIOS Setup Utility. The user must enter the SVP in order to get access to the BIOS Setup Utility and change the system configuration. Attention: If the SVP has been forgotten and cannot be made available to the servicer, there is no service procedure to reset the password. The system board must be replaced for a scheduled fee. 34 ThinkPad T500 and W500 Hardware Maintenance Manual

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8.
When
the
recovery
process
is
complete,
the
Welcome
to
Microsoft
Windows
screen
is
displayed.
Follow
the
instructions
on
the
screen
to
complete
the
Windows
setup.
Passwords
As
many
as
three
passwords
may
be
needed
for
any
ThinkPad
computer:
the
power-on
password
(POP),
the
hard-disk
password
(HDP),
and
the
supervisor
password
(SVP).
If
any
of
these
passwords
has
been
set,
a
prompt
for
it
appears
on
the
screen
whenever
the
computer
is
turned
on.
The
computer
does
not
start
until
the
password
is
entered.
Exception:
If
only
an
SVP
is
installed,
the
password
prompt
does
not
appear
when
the
operating
system
is
booted.
Power-on
password
A
power-on
password
(POP)
protects
the
system
from
being
powered
on
by
an
unauthorized
person.
The
password
must
be
entered
before
an
operating
system
can
be
booted.
For
how
to
remove
the
POP,
see
“How
to
remove
the
power-on
password”
on
page
35.
Hard-disk
password
There
are
two
hard-disk
passwords
(HDPs):
v
User
HDP—for
the
user
v
Master
HDP—for
the
system
administrator,
who
can
use
it
to
get
access
to
the
hard
disk
even
if
the
user
has
changed
the
user
HDP
Note:
There
are
two
modes
for
the
HDP:
User
only
and
Master
+
User
.
The
Master
+
User
mode
requires
two
HDPs;
the
system
administrator
enters
both
in
the
same
operation.
The
system
administrator
then
provides
the
user
HDP
to
the
system
user.
Attention:
If
the
user
HDP
has
been
forgotten,
check
whether
a
master
HDP
has
been
set.
If
it
has,
it
can
be
used
for
access
to
the
hard
disk
drive.
If
no
master
HDP
is
available,
neither
Lenovo
nor
Lenovo
authorized
servicers
provide
any
services
to
reset
either
the
user
or
the
master
HDP,
or
to
recover
data
from
the
hard
disk
drive.
The
hard
disk
drive
can
be
replaced
for
a
scheduled
fee.
For
how
to
remove
the
POP,
see
“How
to
remove
the
hard-disk
password”
on
page
35.
Supervisor
password
A
supervisor
password
(SVP)
protects
the
system
information
stored
in
the
BIOS
Setup
Utility.
The
user
must
enter
the
SVP
in
order
to
get
access
to
the
BIOS
Setup
Utility
and
change
the
system
configuration.
Attention:
If
the
SVP
has
been
forgotten
and
cannot
be
made
available
to
the
servicer,
there
is
no
service
procedure
to
reset
the
password.
The
system
board
must
be
replaced
for
a
scheduled
fee.
34
ThinkPad
T500
and
W500
Hardware
Maintenance
Manual