Lenovo ThinkPad T500 Hardware Maintenance Manual - Page 43

remove, power-on, password, hard-disk - bios

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How to remove the power-on password To remove a POP that you have forgotten, do the following: (A) If no SVP has been set: 1. Turn off the computer. 2. Remove the battery pack. For how to remove the battery pack, see "1010 Battery pack" on page 63. 3. Remove the backup battery. For how to remove the backup battery, see "1100 Backup battery" on page 79. 4. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt does not appear. The POP has been removed. 5. Reinstall the backup battery and the battery pack. (B) If an SVP has been set and is known by the servicer: 1. Turn on the computer. 2. When the ThinkPad logo comes up, immediately press F1 to enterBIOS Setup Utility. For models supporting the Passphrase function, press F1 while the POP icon is appearing on the screen; then enter the POP. For the other models, enter the POP. Note: To check whether the ThinkPad computer supports the Passphrase function, enter the BIOS Setup Utility and go to Security --> Password. If the Using Passphrase item is displayed in the menu, this function is available on the ThinkPad computer. 3. Select Security, using the cursor directional keys to move down the menu. 4. Select Password. 5. Select Power-On Password. 6. Type the current SVP in the Enter Current Password field. then leave the Enter New Password field blank, and press Enter twice. 7. In the Changes have been saved window, press Enter. 8. Press F10; then, in the Setup confirmation window, select Yes . How to remove the hard-disk password Attention: If User only mode is selected and the user HDP has been forgotten and cannot be made available to the servicer, neither Lenovo nor Lenovo authorized servicers provide any services to reset the user HDPs or to recover data from the hard disk drive. The hard disk drive can be replaced for a scheduled fee. To remove a user HDP that has been forgotten, when the SVP and the master HDP are known, do the following: 1. Turn on the computer. 2. When the ThinkPad logo comes up, immediately press F1 to enterBIOS Setup Utility. For models supporting the Passphrase function, press F1 while HDP icon is appearing on the screen; then enter the master HDP. For the other models, enter the master HDP. Related service information 35

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How
to
remove
the
power-on
password
To
remove
a
POP
that
you
have
forgotten,
do
the
following:
(A)
If
no
SVP
has
been
set:
1.
Turn
off
the
computer.
2.
Remove
the
battery
pack.
For
how
to
remove
the
battery
pack,
see
“1010
Battery
pack”
on
page
63.
3.
Remove
the
backup
battery.
For
how
to
remove
the
backup
battery,
see
“1100
Backup
battery”
on
page
79.
4.
Turn
on
the
computer
and
wait
until
the
POST
ends.
After
the
POST
ends,
the
password
prompt
does
not
appear.
The
POP
has
been
removed.
5.
Reinstall
the
backup
battery
and
the
battery
pack.
(B)
If
an
SVP
has
been
set
and
is
known
by
the
servicer:
1.
Turn
on
the
computer.
2.
When
the
ThinkPad
logo
comes
up,
immediately
press
F1
to
enterBIOS
Setup
Utility.
For
models
supporting
the
Passphrase
function,
press
F1
while
the
POP
icon
is
appearing
on
the
screen;
then
enter
the
POP.
For
the
other
models,
enter
the
POP.
Note:
To
check
whether
the
ThinkPad
computer
supports
the
Passphrase
function,
enter
the
BIOS
Setup
Utility
and
go
to
Security
-->
Password
.
If
the
Using
Passphrase
item
is
displayed
in
the
menu,
this
function
is
available
on
the
ThinkPad
computer.
3.
Select
Security
,
using
the
cursor
directional
keys
to
move
down
the
menu.
4.
Select
Password
.
5.
Select
Power-On
Password
.
6.
Type
the
current
SVP
in
the
Enter
Current
Password
field.
then
leave
the
Enter
New
Password
field
blank,
and
press
Enter
twice.
7.
In
the
Changes
have
been
saved
window,
press
Enter.
8.
Press
F10;
then,
in
the
Setup
confirmation
window,
select
Yes
.
How
to
remove
the
hard-disk
password
Attention:
If
User
only
mode
is
selected
and
the
user
HDP
has
been
forgotten
and
cannot
be
made
available
to
the
servicer,
neither
Lenovo
nor
Lenovo
authorized
servicers
provide
any
services
to
reset
the
user
HDPs
or
to
recover
data
from
the
hard
disk
drive.
The
hard
disk
drive
can
be
replaced
for
a
scheduled
fee.
To
remove
a
user
HDP
that
has
been
forgotten,
when
the
SVP
and
the
master
HDP
are
known,
do
the
following:
1.
Turn
on
the
computer.
2.
When
the
ThinkPad
logo
comes
up,
immediately
press
F1
to
enterBIOS
Setup
Utility.
For
models
supporting
the
Passphrase
function,
press
F1
while
HDP
icon
is
appearing
on
the
screen;
then
enter
the
master
HDP.
For
the
other
models,
enter
the
master
HDP.
Related
service
information
35