
Replacing
the
power
switch/LED
assembly
This
procedure
describes
how
to
remove
and
replace
the
power
switch/LED
assembly.
1.
Remove
the
computer
cover.
See
2.
Remove
the
front
bezel.
See
3.
Disconnect
the
power
switch/LED
assembly
cable
from
the
system
board.
See
the
system
board
illustration
for
your
machine
type
at
4.
Note
the
power
switch/LED
assembly
cable
routing
and
the
position
of
the
two
LEDs.
5.
Remove
the
switch
and
the
LEDs
from
the
bezel.
6.
Route
the
cable
for
the
new
power
switch/LED
assembly
through
the
hole
in
the
chassis
and
to
the
system
board.
7.
Install
the
new
power
switch/LED
assembly
into
the
bezel.
Make
sure
that
the
LEDs
are
in
the
correct
position.
8.
Connect
the
power
switch/LED
cable
to
the
system
board.
9.
Reinstall
the
front
bezel.
10.
Go
to
Replacing
the
CMOS
battery
This
procedure
describes
how
to
remove
and
replace
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.
Important
Refer
to
for
information
about
replacing
and
disposing
of
the
battery.
CAUTION:
When
replacing
the
lithium
battery,
use
only
Part
Number
33F8354
or
an
equivalent
type
battery
recommended
by
the
manufacturer.
1.
Remove
the
computer
cover.
See
2.
Locate
the
battery.
See
the
system
board
illustration
for
your
machine
type
at
3.
You
might
have
to
remove
any
PCI
adapters
that
impede
access
to
the
battery.
4.
Remove
the
old
battery.
160
Hardware
Maintenance
Manual
Содержание Lenovo 3000 J Series
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