Lenovo 7799 사용자 설명서
5.
Remove
the
four
screws
1
that
secure
the
heat
sink
and
fan
assembly
to
the
system
board.
Note:
Carefully
remove
the
four
screws
from
the
system
board
to
avoid
any
possible
damage.
The
four
screws
cannot
be
removed
from
the
heat
sink
and
fan
assembly.
6.
Lift
the
failing
heat
sink
and
fan
assembly
off
the
system
board.
Notes:
a.
You
might
have
to
gently
twist
the
heat
sink
and
fan
assembly
to
free
it
from
the
microprocessor.
b.
Do
not
touch
the
thermal
grease
while
handling
the
heat
sink
and
fan
assembly.
7.
Position
the
new
heat
sink
and
fan
assembly
on
the
system
board
so
that
the
four
screws
are
aligned
with
the
holes
on
the
system
board.
Note:
Position
the
new
heat
sink
and
fan
assembly
so
that
the
heat
sink
and
fan
assembly
cable
is
toward
the
microprocessor
fan
connector
on
the
system
board.
Figure
15.
Removing
the
heat
sink
and
fan
assembly
Chapter
8.
Replacing
FRUs
-
Tamdhu
computers
99