Lenovo S200 Hardware Maintenance Manual - Page 166

Replacing, power, switch/LED, assembly, battery

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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 "Removing the cover" on page 123. 2. Remove the front bezel. See "Removing and replacing the front bezel" on page 128 3. Disconnect the power switch/LED assembly cable from the system board. See the system board illustration for your machine type at "Locating parts on the system board" on page 125. 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 "Completing the FRU replacement" on page 161. 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 "Safety notices (multi-lingual translations)" on page 7 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 "Removing the cover" on page 123. 2. Locate the battery. See the system board illustration for your machine type at "Locating parts on the system board" on page 125. 3. You might have to remove any PCI adapters that impede access to the battery. 4. Remove the old battery. 160 Hardware Maintenance Manual

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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
“Removing
the
cover”
on
page
123.
2.
Remove
the
front
bezel.
See
“Removing
and
replacing
the
front
bezel”
on
page
128
3.
Disconnect
the
power
switch/LED
assembly
cable
from
the
system
board.
See
the
system
board
illustration
for
your
machine
type
at
“Locating
parts
on
the
system
board”
on
page
125.
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
“Completing
the
FRU
replacement”
on
page
161.
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
“Safety
notices
(multi-lingual
translations)”
on
page
7
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
“Removing
the
cover”
on
page
123.
2.
Locate
the
battery.
See
the
system
board
illustration
for
your
machine
type
at
“Locating
parts
on
the
system
board”
on
page
125.
3.
You
might
have
to
remove
any
PCI
adapters
that
impede
access
to
the
battery.
4.
Remove
the
old
battery.
160
Hardware
Maintenance
Manual