9.
Slide
the
new
hard
disk
drive
into
the
hard
disk
drive
cage
until
it
snaps
into
position.
10.
Install
the
hard
disk
drive
cage
into
the
chassis
until
it
snaps
into
position
underneath
the
metal
tab.
Make
sure
that
the
hard
disk
drive
cage
is
secure
in
the
chassis.
11.
Connect
the
signal
and
power
cables
to
the
rear
of
the
new
hard
disk
drive.
12.
Go
to
“Completing
the
parts
replacement”
on
page
43.
Replacing
the
optical
drive
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
was
included
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
the
optical
drive.
To
replace
the
optical
drive:
1.
Remove
the
computer
cover.
See
“Removing
the
computer
cover”
on
page
14.
2.
Disconnect
the
signal
cable
and
the
power
cable
from
the
rear
of
the
optical
drive.
Figure
22.
Installing
the
secondary
hard
disk
drive
30
User
Guide
Summary of Contents for ThinkCentre 7258
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