Lenovo a57 9702 Manuel Complémentaire
Notes:
a.
Note
the
orientation
of
the
notches
1
on
the
microprocessor.
This
is
important
when
reinstalling
the
microprocessor
on
the
new
system
board.
b.
Do
not
drop
anything
onto
the
microprocessor
socket
while
it
is
exposed.
The
socket
pins
must
be
kept
as
clean
as
possible.
8.
Make
sure
that
the
microprocessor
retainer
is
fully
open.
9.
Holding
the
microprocessor
with
your
fingers,
remove
the
protective
cover
2
that
protects
the
gold
contacts
on
the
new
microprocessor
1
.
10.
Holding
the
microprocessor
with
your
fingers,
position
the
microprocessor
so
that
the
notches
on
the
microprocessor
are
aligned
with
the
tabs
in
the
microprocessor
socket.
Important
To
avoid
damaging
the
microprocessor
contacts,
do
not
tilt
the
microprocessor
when
installing
it
into
the
socket.
Chapter
9.
Replacing
FRUs
-
Tower
Computers
127