Lenovo a57 9702 Manuel Complémentaire
Replacing
the
power
switch/LED
assembly
This
procedure
describes
how
to
remove
and
replace
the
power
switch/LED
assembly.
1.
Remove
cover.
See
2.
Remove
the
drive
bay
assembly.
See
3.
Remove
the
hard
disk
drive.
See
4.
Disconnect
the
power
switch/LED
assembly
cable
from
the
system
board.
See
the
system
board
illustration
for
your
machine
type
at
5.
Remove
the
screw
that
secures
the
power
switch/LED
assembly
to
the
chassis.
6.
Note
the
power
switch/LED
assembly
cable
routing
and
remove
the
assembly
from
the
chassis.
7.
Route
the
cable
for
the
new
power
switch/LED
assembly
through
the
hole
in
the
chassis
and
to
the
system
board.
8.
Install
the
power
switch/LED
assembly
into
the
chassis
and
secure
the
assembly
with
the
screw.
9.
Connect
the
power
switch/LED
cable
to
the
system
board.
10.
Reinstall
the
hard
disk
drive.
See
11.
Align
the
drive
bay
assembly
with
the
two
slots
and
rails
on
the
sides
of
the
chassis
slide
the
drive
bay
assembly
towards
the
rear
of
the
chassis
until
it
snaps
into
position.
12.
Reinstall
the
front
bezel.
13.
Go
to
108
Hardware
Maintenance
Manual