Lenovo J105 Hardware Maintenance Manual - Page 97

Replacing, battery

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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. Refer to "Safety notices (multi-lingual translations)" on page 7 for information about replacing and disposing of the battery. 1. Turn off the computer and all attached devices. 2. Remove the left-side cover. See "Removing the covers" on page 82. 3. Locate the battery. See "Identifying parts on the system board" on page 85. 4. If necessary, remove any adapters that impede access to the battery. See "Replacing a PCI adapter" on page 90 for more information. 5. Remove the old battery. 6. Install the new battery. 7. Replace any adapters that were removed to gain access to the battery. See "Replacing a PCI adapter" on page 90 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. 8. Go to "Completing the FRU replacement." on page 111. Chapter 8. Replacing FRUs (Types 8252, 8253, 8254, 8255, 8256, 8257, 8258, and 8259) 91

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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.
Refer
to
“Safety
notices
(multi-lingual
translations)”
on
page
7
for
information
about
replacing
and
disposing
of
the
battery.
1.
Turn
off
the
computer
and
all
attached
devices.
2.
Remove
the
left-side
cover.
See
“Removing
the
covers”
on
page
82.
3.
Locate
the
battery.
See
“Identifying
parts
on
the
system
board”
on
page
85.
4.
If
necessary,
remove
any
adapters
that
impede
access
to
the
battery.
See
“Replacing
a
PCI
adapter”
on
page
90
for
more
information.
5.
Remove
the
old
battery.
6.
Install
the
new
battery.
7.
Replace
any
adapters
that
were
removed
to
gain
access
to
the
battery.
See
“Replacing
a
PCI
adapter”
on
page
90
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.
8.
Go
to
“Completing
the
FRU
replacement.”
on
page
111.
Chapter
8.
Replacing
FRUs
(Types
8252,
8253,
8254,
8255,
8256,
8257,
8258,
and
8259)
91