Lenovo a57 9702 Manual Suplementar

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Replacing
 
the
 
microprocessor
 
This
 
procedure
 
describes
 
how
 
to
 
remove
 
and
 
replace
 
the
 
microprocessor.
 
The
 
procedure
 
varies
 
depending
 
upon
 
the
 
machine
 
type.
 
 
 
Important
 
The
 
heat
 
sink
 
and
 
microprocessor
 
might
 
be
 
very
 
hot.
 
Make
 
sure
 
these
 
components
 
are
 
cool
 
enough
 
to
 
safely
 
handle
 
before
 
continuing
 
this
 
procedure.
 
1.
   
Remove
 
the
 
side
 
cover.
 
See
 
 
2.
   
Place
 
the
 
computer
 
on
 
its
 
right
 
side
 
to
 
help
 
make
 
the
 
microprocessor
 
more
 
accessible.
 
 
3.
   
Disconnect
 
the
 
heat
 
sink
 
and
 
fan
 
assembly
 
cable
 
from
 
the
 
system
 
board.
 
See
 
the
 
system
 
board
 
illustration
 
for
 
your
 
machine
 
type
 
at
 
 
4.
   
Remove
 
the
 
four
 
screws
 
securing
 
the
 
heat
 
sink
 
and
 
fan
 
assembly
 
to
 
the
 
system
 
board.
 
  
 
 
 
Chapter
 
9.
 
Replacing
 
FRUs
 
-
 
Tower
 
Computers
 
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