Lenovo S200 Hardware Maintenance Manual - Page 110

Replacing, microprocessor, Types

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Replacing the microprocessor This procedure describes how to remove and replace the power supply. The procedure varies depending upon the machine type. Types 7812, 7813, 9680 and 9681 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 cover. See "Removing the cover" on page 85. 2. Lift the fan duct off the heat sink fan. 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 87. 4. Rotate handle 1 to release the heat sink clamp and then disengage the clamp from the plastic retention bracket. 5. Lift the heat sink and fan assembly off the system board. Place the heat sink on its side so that the thermal grease does not come in contact with anything. Note: You might have to gently twist the heat sink to free it from the microprocessor. 6. To remove the microprocessor 2 from the system board, lift the small handle 1. 104 Hardware Maintenance Manual

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Replacing
the
microprocessor
This
procedure
describes
how
to
remove
and
replace
the
power
supply.
The
procedure
varies
depending
upon
the
machine
type.
Types
7812,
7813,
9680
and
9681
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
cover.
See
“Removing
the
cover”
on
page
85.
2.
Lift
the
fan
duct
off
the
heat
sink
fan.
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
87.
4.
Rotate
handle
±1²
to
release
the
heat
sink
clamp
and
then
disengage
the
clamp
from
the
plastic
retention
bracket.
5.
Lift
the
heat
sink
and
fan
assembly
off
the
system
board.
Place
the
heat
sink
on
its
side
so
that
the
thermal
grease
does
not
come
in
contact
with
anything.
Note:
You
might
have
to
gently
twist
the
heat
sink
to
free
it
from
the
microprocessor.
6.
To
remove
the
microprocessor
±2²
from
the
system
board,
lift
the
small
handle
±1²
.
104
Hardware
Maintenance
Manual