Lenovo ThinkPad R50 Hardware Maintenance Manual (HMM) - Page 32

Passwords

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Related service information 5. If you get a message asking which operating system to install, select the proper operating system and press Enter. 6. A message is displayed: "Full Recovery:". Press Enter to select. 7. On each of the next three windows, press the Y key. 8. Follow the prompts to complete the recovery. 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. 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. Supervisor password: A supervisor password (SVP) protects the system 28 R50/R50p, R51 Series

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5.
If
you
get
a
message
asking
which
operating
system
to
install,
select
the
proper
operating
system
and
press
Enter.
6.
A
message
is
displayed:
“
Full
Recovery:
”.
Press
Enter
to
select.
7.
On
each
of
the
next
three
windows,
press
the
Y
key.
8.
Follow
the
prompts
to
complete
the
recovery.
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.
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.
Supervisor
password:
A
supervisor
password
(SVP)
protects
the
system
Related
service
information
28
R50/R50p,
R51
Series