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Lenovo 8087 Manuel D’Utilisation

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20.
   
Go
 
to
 
Removing
 
and
 
replacing
 
the
 
microprocessor
 
 
1.
   
Open
 
the
 
cover.
 
See
 
 
2.
   
Loosen
 
the
 
two
 
captured
 
screws
 
that
 
secure
 
the
 
heat
 
sink
 
clamps
 
2.
 
Pivot
 
the
 
clamps
 
to
 
the
 
side
 
to
 
allow
 
the
 
heat
 
sink
 
1
 
to
 
be
 
removed.
 
  
  
 
3.
   
Remove
 
the
 
heat
 
sink
 
from
 
the
 
microprocessor
 
by
 
gently
 
twisting
 
the
 
heat
 
sink
 
to
 
break
 
the
 
seal
 
formed
 
by
 
the
 
thermal
 
grease
 
and
 
lifting
 
it
 
straight
 
up.
 
 
4.
   
Place
 
the
 
heat
 
sink
 
on
 
a
 
clean
 
work
 
surface.
 
 
5.
   
Release
 
the
 
microprocessor
 
1
 
from
 
the
 
system
 
board
 
socket
 
by
 
pulling
 
outward
 
and
 
lifting
 
the
 
small
 
handle
 
2
 
on
 
the
 
microprocessor
 
socket
 
to
 
its
 
maximum
 
vertical
 
position.
 
Carefully
 
lift
 
the
 
microprocessor
 
off
 
the
 
socket.
 
  
  
 
6.
   
Make
 
sure
 
that
 
the
 
microprocessor
 
socket
 
handle
 
is
 
fully
 
in
 
the
 
vertical
 
position.
 
Otherwise
 
the
 
microprocessor
 
pins
 
might
 
be
 
damaged
 
when
 
reinstalling
 
the
 
new
 
microprocessor.
 
 
100
 
Hardware
 
Maintenance
 
Manual