Lenovo ThinkCentre M55e User Manual
Page 20
12.
Lift
the
microprocessor
straight
up
and
out
of
the
socket.
Important
Do
not
touch
the
gold
contacts
on
the
bottom
of
the
microprocessor.
When
handling
the
microprocessor,
touch
only
the
sides.
a.
Note
the
orientation
of
the
notches
1
on
the
microprocessor.
This
is
important
when
installing
the
microprocessor
on
the
new
system
board.
b.
Do
not
drop
anything
on
the
socket
while
it
is
open.
Keep
all
contacts
as
clean
as
possible.
13.
On
the
new
system
board,
release
the
lever
securing
the
microprocessor
retainer
and
then
pivot
the
retainer
until
it
is
fully
open.
14.
Position
the
microprocessor
so
that
the
notches
on
the
microprocessor
are
aligned
with
the
tabs
in
the
microprocessor
socket
on
the
new
system
board.
Important
To
avoid
damaging
the
microprocessor,
do
not
tilt
the
microprocessor
when
installing
it
into
the
microprocessor
socket.
12
Hardware
Replacement
Guide