Replacing a memory module, Replacing, Memory – Lenovo ThinkCentre M55 User Manual
Page 31: Module
Replacing
a
memory
module
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.
1.
Remove
the
computer
cover.
See
Note:
For
this
procedure,
it
helps
to
lay
the
computer
on
its
side.
2.
Locate
the
memory
module
connectors.
See
3.
Open
the
retaining
clips,
and
lift
the
memory
module
out
of
its
connector.
4.
Ensure
that
the
notch
on
the
new
memory
module
1 aligns
correctly
with
the
connector
key
2
on
the
system
board.
Push
the
memory
module
straight
down
into
the
connector
until
the
retaining
clips
close.
5.
Go
to
Chapter
2.
Replacing
hardware
23