Lenovo 7638 Mode D'Emploi
Erasing
lost
or
forgotten
passwords
(clearing
CMOS)
This
section
contains
instructions
on
erasing
some
lost
or
forgotten
passwords,
such
as
a
user
password.
For
more
information
about
lost
or
forgotten
passwords,
go
to
the
ThinkVantage
Productivity
Center
program.
To
access
the
ThinkVantage
Productivity
Center
program,
click
Start
→
All
Programs
→
ThinkVantage
→
Productivity
Center
.
To
erase
lost
or
forgotten
passwords:
1.
Open
the
computer
cover.
See
2.
Access
the
system
board.
See
Note:
You
must
remove
the
hard
disk
drive
to
gain
access
to
the
Clear
CMOS/Recovery
jumper.
3.
Locate
the
Clear
CMOS/Recovery
jumper
on
the
system
board.
See
4.
Move
the
jumper
from
the
standard
position
(pin
1
and
pin
2)
to
the
maintenance
or
configure
position
(pin
2
and
pin
3).
5.
Reinstall
the
hard
disk
drive.
6.
Lower
the
optical
drive
bay
assembly
and
reconnect
any
cables
that
were
disconnected.
7.
Close
the
computer
cover
and
connect
the
power
cord.
See
8.
Restart
the
computer
and
leave
it
on
for
approximately
10
seconds.
Turn
off
the
computer
by
holding
the
power
switch
for
approximately
five
seconds.
The
computer
will
turn
off.
9.
Repeat
step
1
through
step
3.
10.
Move
the
Clear
CMOS/Recovery
jumper
back
to
the
standard
position
(pin
1
and
pin
2).
11.
Reinstall
the
hard
disk
drive
if
removed.
12.
Lower
the
optical
drive
bay
assembly
and
reconnect
any
cables
that
were
disconnected.
13.
Close
the
computer
cover
and
connect
the
power
cord.
See
38
User
Guide