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Lenovo a57 9702 Manual Suplementar

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Removing
 
the
 
cover
 
 
Important
 
Read
 
and
 
before
 
opening
 
the
 
cover.
 
This
 
procedure
 
describes
 
how
 
to
 
remove
 
the
 
cover.
 
1.
   
Shut
 
down
 
the
 
operating
 
system,
 
remove
 
any
 
media
 
(DVDs,
 
CDs,
 
or
 
tapes)
 
from
 
the
 
drives,
 
and
 
turn
 
off
 
all
 
attached
 
devices.
 
2.
   
Unplug
 
all
 
power
 
cords
 
from
 
electrical
 
outlets.
 
3.
   
Disconnect
 
all
 
cables
 
attached
 
to
 
the
 
computer.
 
This
 
includes
 
power
 
cords,
 
input/output
 
(I/O)
 
cables,
 
and
 
any
 
other
 
cables
 
that
 
are
 
connected
 
to
 
the
 
computer.
 
4.
   
If
 
there
 
are
 
thumb
 
screws
 
securing
 
the
 
cover,
 
remove
 
them.
 
5.
   
Press
 
the
 
button
 
on
 
the
 
left-side
 
cover
 
and
 
slide
 
the
 
cover
 
to
 
the
 
rear
 
to
 
remove.
 
  
 
 
 
Chapter
 
9.
 
Replacing
 
FRUs
 
-
 
Tower
 
Computers
 
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