Lenovo 7706 ユーザーズマニュアル

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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