Lenovo S200 Hardware Maintenance Manual - Page 136

Disconnect

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Replacing the system board This procedure describes how to remove and replace the system board. The procedure varies depending upon the machine type. Types 7816, 7817, 9686 and 9687 Important The heat sink and microprocessor might be very hot. Make sure these components are cool enough to safely handle before continuing this procedure. 1. Remove the side 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. 130 Hardware Maintenance Manual

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Replacing
the
system
board
This
procedure
describes
how
to
remove
and
replace
the
system
board.
The
procedure
varies
depending
upon
the
machine
type.
Types
7816,
7817,
9686
and
9687
Important
The
heat
sink
and
microprocessor
might
be
very
hot.
Make
sure
these
components
are
cool
enough
to
safely
handle
before
continuing
this
procedure.
1.
Remove
the
side
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.
130
Hardware
Maintenance
Manual