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Refer
to
“Lithium
battery
notice”
on
page
x
for
information
about
replacing
and
disposing
of
the
battery.
To
change
the
battery:
1.
Turn
off
the
computer
and
disconnect
the
power
cord
from
the
electrical
outlet
and
from
the
computer.
2.
Open
the
computer
cover.
See
“Opening
the
cover”
on
page
20.
3.
Access
the
system
board.
See
“Accessing
system
board
components
and
drives”
on
page
22.
4.
Locate
the
battery.
See
“Identifying
parts
on
the
system
board”
on
page
23.
5.
Remove
the
old
battery.
6.
Install
the
new
battery.
7.
Reinstall
the
PCI
riser
assembly
if
removed.
8.
Close
the
computer
cover,
and
connect
the
cables.
See
“Closing
the
cover
and
connecting
the
cables”
on
page
35.
Note:
When
the
computer
is
turned
on
for
the
first
time
after
battery
replacement,
an
error
message
might
be
displayed.
This
is
normal
after
replacing
the
battery.
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
5,
“Using
the
Setup
Utility,”
on
page
45.
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.
Open
the
computer
cover.
See“Opening
the
cover”
on
page
20.
2.
Access
the
system
board.
See
“Accessing
system
board
components
and
drives”
on
page
22.
3.
Locate
the
Clear
CMOS/Recovery
jumper
on
the
system
board.
See
“Identifying
parts
on
the
system
board”
on
page
23.
4.
Move
the
jumper
from
the
standard
position
(pins
1
and
2)
to
the
maintenance
or
configure
position
(pins
2
and
3).
5.
Reinstall
the
PCI
riser
assembly
if
removed.
6.
Lower
the
drive
bay
assembly
and
reconnect
any
cables
that
were
disconnected.
34
User
Guide
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