Lenovo S200 Hardware Maintenance Manual - Page 148

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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. 1. Remove the side cover. See "Removing the cover" on page 123. 2. Place the computer on its right side to help make the microprocessor more accessible. 3. 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. 4. Remove the four screws 1 securing the heat sink and fan assembly to the system board. 5. Lift the heat sink and fan assembly off the failing system board. Place the heat sink on its side so that the thermal grease does not come in contact with anything. 142 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.
1.
Remove
the
side
cover.
See
“Removing
the
cover”
on
page
123.
2.
Place
the
computer
on
its
right
side
to
help
make
the
microprocessor
more
accessible.
3.
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.
4.
Remove
the
four
screws
±1²
securing
the
heat
sink
and
fan
assembly
to
the
system
board.
5.
Lift
the
heat
sink
and
fan
assembly
off
the
failing
system
board.
Place
the
heat
sink
on
its
side
so
that
the
thermal
grease
does
not
come
in
contact
with
anything.
142
Hardware
Maintenance
Manual