Replacing the microprocessor, Replacing, Microprocessor – Lenovo ThinkCentre M55 User Manual
Page 24
21.
Install
the
new
system
board
assembly
into
the
computer
chassis
by
aligning
the
four
slots
in
the
metal
plate
on
the
bottom
of
the
system
board
with
the
tabs
in
the
chassis.
Then
slide
the
system
board
toward
the
rear
of
the
chassis.
Important
Make
sure
to
correctly
align
the
metal
plate
on
the
bottom
of
the
system
board
with
the
tabs
in
the
chassis.
Otherwise,
the
system
board
might
be
damaged
when
you
install
the
screws.
22.
Align
the
seven
screw
holes,
and
install
the
screws.
Note:
Use
only
the
screws
provided
by
Lenovo.
23.
Reconnect
all
cables
that
were
disconnected
from
the
system
board.
Make
sure
all
cables
are
routed
correctly.
See
for
cable
locations.
24.
Reinstall
all
adapter
cards.
See
25.
Reinstall
the
air
baffle.
26.
Go
to
Replacing
the
microprocessor
Attention:
Do
not
remove
the
computer
cover
or
attempt
any
repair
before
reading
the
“Important
safety
information”
in
the
Safety
and
warranty
guide
that
was
included
with
your
computer
or
in
the
Hardware
Maintenance
Manual
(HMM)
for
the
computer.
To
obtain
copies
of
the
Safety
and
warranty
guide
or
HMM,
go
to
the
Support
Web
site
at
http://www.lenovo.com/
think/support.
Note:
The
system
board
in
your
computer
might
look
different
than
those
shown
in
the
following
illustrations.
16
Hardware
Replacement
Guide