Lenovo 7717 Benutzerhandbuch
b.
Insert
the
tabs
1
of
the
socket
cover
into
the
hinged
side
of
the
socket,
and
then
press
the
other
side
of
the
socket
cover
downward
until
the
tabs
2
snap
into
position.
12.
Install
the
new
system
board
into
the
chassis
by
aligning
the
four
mounting
studs
in
the
chassis
with
the
corresponding
holes
on
the
new
system
board,
and
then
carefully
slide
the
new
system
board
in
to
the
chassis
until
it
is
secured
in
place
by
the
four
mounting
studs.
13.
Install
the
heat
sink
and
fan
assembly
retainer
by
aligning
the
four
screw
holes
on
the
retainer
with
the
corresponding
holes
on
the
new
system
board,
and
then
tighten
the
screws
to
secure
the
retainer
on
the
new
system
board.
14.
Install
the
heat
sink
and
fan
assembly
on
the
new
system
board.
See
And
connect
the
heat
sink
and
fan
assembly
cable
to
the
new
system
board.
See
15.
Install
all
memory
modules
and
adapter
cards
removed
from
the
failing
system
board
on
the
new
system
board.
16.
Reinstall
the
hard
disk
drive.
See
17.
Reconnect
the
power
and
signal
cables
to
the
hard
disk
drive.
18.
Reconnect
all
remaining
cables
to
the
new
system
board.
See
19.
Go
to
Figure
60.
Tabs
on
the
microprocessor
socket
cover
(bottom
view)
Figure
61.
Installing
the
microprocessor
socket
cover
148
Hardware
Maintenance
Manual