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Lenovo a62 3656 Guia Do Utilizador

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Replacing
 
the
 
heat
 
sink
 
and
 
fan
 
assembly
 
 
Attention
 
Do
 
not
 
open
 
your
 
computer
 
or
 
attempt
 
any
 
repair
 
before
 
reading
 
and
 
understanding
 
the
 
“Important
 
safety
 
information”
 
in
 
the
 
ThinkCentre
 
Safety
 
and
 
Warranty
 
Guide
 
that
 
came
 
with
 
your
 
computer.
 
To
 
obtain
 
a
 
copy
 
of
 
the
 
ThinkCentre
 
Safety
 
and
 
Warranty
 
Guide,
 
go
 
to:
http://www.lenovo.com/support
  
This
 
section
 
provides
 
instructions
 
on
 
how
 
to
 
replace
 
the
 
heat
 
sink
 
and
 
fan
 
assembly.
 
 
CAUTION:
 
  
  
The
 
heat
 
sink
 
and
 
fan
 
assembly
 
might
 
be
 
very
 
hot.
 
Turn
 
off
 
the
 
computer
 
and
 
wait
 
three
 
to
 
five
 
minutes
 
to
 
let
 
the
 
computer
 
cool
 
before
 
removing
 
the
 
computer
 
cover.
 
To
 
replace
 
the
 
heat
 
sink
 
and
 
fan
 
assembly:
 
1.
   
Remove
 
the
 
computer
 
cover.
 
See
 
2.
   
Disconnect
 
the
 
heat
 
sink
 
and
 
the
 
fan
 
assembly
 
cable
 
from
 
the
 
system
 
board.
 
See
 
3.
   
Remove
 
the
 
fan
 
plenum
 
from
 
the
 
heat
 
sink
 
and
 
fan
 
assembly.
 
See
 
4.
   
Pivot
 
the
 
handle
 
1
 
to
 
release
 
the
 
heat
 
sink
 
clamp
 
and
 
then
 
disengage
 
the
 
clamp
 
from
 
the
 
plastic
 
retention
 
bracket.
Note:
  
The
 
system
 
board
 
for
 
your
 
computer
 
might
 
look
 
different
 
to
 
the
 
one
 
illustrated
 
below.
 
 
  
Figure
 
31.
 
Removing
 
the
 
heat
 
sink
 
and
 
fan
 
assembly
 
held
 
in
 
place
 
by
 
a
 
clamp
 
32
 
User
 
Guide