Lenovo E100 Hardware Maintenance Manual - Page 102

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13. 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 on the new system board. Important To avoid damaging the microprocessor contacts, do not tilt the microprocessor when installing it into the socket. 14. Lower the microprocessor straight down into the system board socket of the new system board. 15. Lower the microprocessor retainer. 16. Lock the retainer with the small handle to secure the microprocessor in the socket. 17. The new retention bracket has plastic one-way rings on the posts that insert into the rear of the new system board. Install the new retention bracket by aligning the posts on the module with the holes in the system board and pushing the posts through the holes until the retention bracket is secure. 18. Install the heat sink and fan assembly on the new system board. 19. Install the new system board into the chassis and align the screw holes with those in the chassis. Insert and tighten the screws that secure the system board. 20. Connect all the cables to the system board. See "Identifying parts on the system board" on page 85. 21. Go to "Completing the FRU replacement" on page 105. 96 Lenovo 3000 E100

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13.
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
on
the
new
system
board.
Important
To
avoid
damaging
the
microprocessor
contacts,
do
not
tilt
the
microprocessor
when
installing
it
into
the
socket.
14.
Lower
the
microprocessor
straight
down
into
the
system
board
socket
of
the
new
system
board.
15.
Lower
the
microprocessor
retainer.
16.
Lock
the
retainer
with
the
small
handle
to
secure
the
microprocessor
in
the
socket.
17.
The
new
retention
bracket
has
plastic
one-way
rings
on
the
posts
that
insert
into
the
rear
of
the
new
system
board.
Install
the
new
retention
bracket
by
aligning
the
posts
on
the
module
with
the
holes
in
the
system
board
and
pushing
the
posts
through
the
holes
until
the
retention
bracket
is
secure.
18.
Install
the
heat
sink
and
fan
assembly
on
the
new
system
board.
19.
Install
the
new
system
board
into
the
chassis
and
align
the
screw
holes
with
those
in
the
chassis.
Insert
and
tighten
the
screws
that
secure
the
system
board.
20.
Connect
all
the
cables
to
the
system
board.
See
“Identifying
parts
on
the
system
board”
on
page
85.
21.
Go
to
“Completing
the
FRU
replacement”
on
page
105.
96
Lenovo
3000
E100