Lenovo S200 Hardware Maintenance Manual - Page 140

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Types 7818, 7819, 9688, 9689, 9690, and 9691 Important The heat sink and microprocessor might be very hot. Make sure these components are cool enough to safely handle before continuing this procedure. Note: When replacing the system board you must also order a new retention module for the new system board. Make sure you have a retention module for the new system board before continuing with this procedure. 1. Remove the cover. See "Removing the cover" on page 123. 2. Place the computer on its right side to help make the system board more accessible. 3. Remove any adapter cards installed in the PCI connectors. 4. Disconnect the signal and power cables from the hard disk drive. 5. Press the release tab 1 down, slide the hard drive cage 2 back, and pivot the hard disk drive outward as shown. 6. Carefully take note of the location of all cable connections on the system board and disconnect all cables. See the system board illustration for your machine type at "Locating parts on the system board" on page 125. 7. Remove the screws that secure the system board to the chassis. 8. Lift the system board out of the chassis. 9. Remove the memory modules from the failing system board and install them in the same location on the new system board. 10. Disconnect the heat sink and fan 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. 11. Remove the four screws 1 securing the heat sink and fan assembly to the system board. 134 Hardware Maintenance Manual

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Types
7818,
7819,
9688,
9689,
9690,
and
9691
Important
The
heat
sink
and
microprocessor
might
be
very
hot.
Make
sure
these
components
are
cool
enough
to
safely
handle
before
continuing
this
procedure.
Note:
When
replacing
the
system
board
you
must
also
order
a
new
retention
module
for
the
new
system
board.
Make
sure
you
have
a
retention
module
for
the
new
system
board
before
continuing
with
this
procedure.
1.
Remove
the
cover.
See
“Removing
the
cover”
on
page
123.
2.
Place
the
computer
on
its
right
side
to
help
make
the
system
board
more
accessible.
3.
Remove
any
adapter
cards
installed
in
the
PCI
connectors.
4.
Disconnect
the
signal
and
power
cables
from
the
hard
disk
drive.
5.
Press
the
release
tab
±1²
down,
slide
the
hard
drive
cage
±2²
back,
and
pivot
the
hard
disk
drive
outward
as
shown.
6.
Carefully
take
note
of
the
location
of
all
cable
connections
on
the
system
board
and
disconnect
all
cables.
See
the
system
board
illustration
for
your
machine
type
at
“Locating
parts
on
the
system
board”
on
page
125.
7.
Remove
the
screws
that
secure
the
system
board
to
the
chassis.
8.
Lift
the
system
board
out
of
the
chassis.
9.
Remove
the
memory
modules
from
the
failing
system
board
and
install
them
in
the
same
location
on
the
new
system
board.
10.
Disconnect
the
heat
sink
and
fan
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.
11.
Remove
the
four
screws
±1²
securing
the
heat
sink
and
fan
assembly
to
the
system
board.
134
Hardware
Maintenance
Manual