Lenovo ThinkCentre E51 User Manual - Page 44

Erasing, forgotten, password, clearing

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9. Turn on the computer and all attached devices. 10. Use the Setup Utility program to set the date and time and any passwords. See Chapter 2, "Using the Setup Utility program," on page 31. 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 the ThinkVantage Productivity Center program. To erase a forgotten password: 1. Remove the cover. See "Removing the cover" on page 10. 2. Locate the Clear CMOS/Recovery jumper on the system board. See "Identifying parts on the system board" on page 11. 3. If necessary, see "Installing adapters" on page 17 to remove any adapters that impede access to the Clear CMOS/Recovery jumper. 4. Move the jumper from the standard position (pins 1 and 2) to the maintenance or configure position (pins 2 and 3). Note: If the system board has only two pins for clearing CMOS, add a jumper to the two pins. 5. Move the jumper back to the standard (pins 1 and 2). Note: If the system board has only two pins for clearing CMOS, remove the jumper from the two pins. 6. Replace the cover and connect the power cord. See "Replacing the cover and connecting the cables" on page 29. 28 User Guide

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9.
Turn
on
the
computer
and
all
attached
devices.
10.
Use
the
Setup
Utility
program
to
set
the
date
and
time
and
any
passwords.
See
Chapter
2,
“Using
the
Setup
Utility
program,”
on
page
31.
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
the
ThinkVantage
Productivity
Center
program.
To
erase
a
forgotten
password:
1.
Remove
the
cover.
See
“Removing
the
cover”
on
page
10.
2.
Locate
the
Clear
CMOS/Recovery
jumper
on
the
system
board.
See
“Identifying
parts
on
the
system
board”
on
page
11.
3.
If
necessary,
see
“Installing
adapters”
on
page
17
to
remove
any
adapters
that
impede
access
to
the
Clear
CMOS/Recovery
jumper.
4.
Move
the
jumper
from
the
standard
position
(pins
1
and
2)
to
the
maintenance
or
configure
position
(pins
2
and
3).
Note:
If
the
system
board
has
only
two
pins
for
clearing
CMOS,
add
a
jumper
to
the
two
pins.
5.
Move
the
jumper
back
to
the
standard
(pins
1
and
2).
Note:
If
the
system
board
has
only
two
pins
for
clearing
CMOS,
remove
the
jumper
from
the
two
pins.
6.
Replace
the
cover
and
connect
the
power
cord.
See
“Replacing
the
cover
and
connecting
the
cables”
on
page
29.
28
User
Guide