Lenovo TC S51-8171 Manuel D’Utilisation
Erasing
a
lost
or
forgotten
password
(clearing
CMOS)
This
section
applies
to
lost
or
forgotten
passwords.
For
more
information
about
lost
or
forgotten
passwords,
go
to
Access
IBM.
To
erase
a
forgotten
password:
1.
Refer
to
2.
Locate
the
Clear
CMOS/BIOS
recovery
jumper
on
the
system
board.
See
3.
Move
the
jumper
from
the
standard
position
(pins
1
and
2)
to
the
maintenance
or
configure
position
(pins
2
and
3).
4.
Install
the
PCI
riser
and
adapters
if
removed.
5.
Lower
the
drive
bay
assembly
and
reconnect
any
cables
that
were
disconnected.
6.
Close
the
cover
and
connect
the
power
cable.
See
7.
Restart
the
computer,
leave
it
on
for
approximately
10
seconds,
and
then
turn
off
the
computer.
8.
Repeat
step
1.
9.
Move
the
CMOS/BIOS
recovery
jumper
back
to
the
standard
position
(pins
1
and
2).
10.
Reassemble
the
computer
and
close
the
cover.
See
Closing
the
cover
and
connecting
the
cables
After
working
with
options,
you
need
to
install
any
removed
parts,
close
the
cover,
and
reconnect
cables,
including
telephone
lines
and
power
cords.
Also,
depending
on
the
option
that
is
installed,
you
might
need
to
confirm
the
updated
information
in
the
IBM
Setup
Utility
program.
To
close
the
cover
and
connect
cables
to
your
computer:
1.
Ensure
that
all
components
have
been
reassembled
correctly
and
that
no
tools
or
loose
screws
are
left
inside
your
computer.
2.
Clear
any
cables
that
might
impede
the
replacement
of
the
cover.
3.
Make
sure
the
drive
bay
assembly
is
lowered
and
that
the
drive
locks
are
both
in
the
locked
position
.
Otherwise,
you
cannot
close
the
cover.
4.
Close
the
cover.
5.
If
a
cover
lock
is
installed,
lock
the
cover.
6.
If
your
computer
is
being
placed
in
the
vertical
position,
attach
the
floor
stand.
Attention:
To
prevent
overheating
and
possible
component
damage,
always
attach
the
floor
stand
when
placing
the
computer
in
the
vertical
position.
7.
Reconnect
the
external
cables
and
power
cords
to
the
computer.
See
8.
To
update
the
configuration,
see
24
User
Guide