Replacing
a
memory
module
Attention
Do
not
open
your
computer
or
attempt
any
repair
before
reading
and
understanding
the
“Important
safety
information”
in
the
ThinkCentre
Safety
and
Warranty
Guide
that
came
with
your
computer.
To
obtain
a
copy
of
the
ThinkCentre
Safety
and
Warranty
Guide
,
go
to:
http://www.lenovo.com/support
This
section
provides
instructions
on
how
to
replace
a
memory
module.
To
replace
a
memory
module:
1.
Remove
the
computer
cover.
See
“Removing
the
computer
cover”
on
page
87.
Note:
For
this
procedure,
it
helps
to
lay
the
computer
on
its
side.
2.
Locate
the
memory
module
connectors.
See
“Locating
parts
on
the
system
board”
on
page
89.
3.
Remove
the
memory
module
being
replaced
by
opening
the
retaining
clips
as
shown.
Chapter
8.
Replacing
FRUs
-
Tower
Computers
99
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