Replacing
the
CMOS
battery
If
the
CMOS
battery
fails,
the
date,
time,
and
configuration
information
(including
passwords)
are
lost.
An
error
message
is
displayed
when
you
turn
on
the
computer.
1.
Refer
to
“Safety
notices
(multi-lingual
translations)”
on
page
7
for
information
about
replacing
and
disposing
of
the
battery.
2.
Turn
off
the
computer
and
all
attached
devices.
3.
Remove
the
left-side
cover.
See
“Removing
the
covers”
on
page
84.
4.
Locate
the
battery.
See
“Identifying
parts
on
the
system
board”
on
page
87.
5.
If
necessary,
remove
any
adapters
that
impede
access
to
the
battery.
See
“Replacing
a
PCI
adapter”
on
page
91
for
more
information.
6.
Remove
the
old
battery.
7.
Install
the
new
battery.
8.
Replace
any
adapters
that
were
removed
to
gain
access
to
the
battery.
See
“Replacing
a
PCI
adapter”
on
page
91
for
instructions
for
replacing
adapters.
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.
Go
to
“Completing
the
FRU
replacement”
on
page
112.
92
Lenovo
3000
J
Series
Summary of Contents for 7387
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