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3.
Disconnect
the
heat
sink
and
fan
assembly
cable
from
the
system
board.
See
the
system
board
illustration
for
your
machine
type
at
“Identifying
parts
on
the
system
board”
on
page
130.
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.
148
Hardware
Maintenance
Manual
Summary of Contents for 8013
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