Replacing an optical drive, Replacing, Optical – Lenovo ThinkCentre M55e User Manual
Page 26: Drive
7.
Install
the
new
drive
into
the
blue
bracket,
flex
the
bracket,
and
align
the
pins
1
through
4 on
the
bracket
with
the
holes
in
the
hard
disk
drive.
Do
not
touch
the
circuit
board
5
on
the
bottom
of
the
hard
disk
drive.
8.
Install
the
hard
disk
drive
and
bracket
into
the
drive
bay.
9.
Pivot
the
drive
and
bracket
towards
the
front
of
the
computer
and
snap
it
into
position.
10.
Connect
the
signal
and
power
cables
to
the
rear
of
the
new
hard
disk
drive.
11.
Go
to
Replacing
an
optical
drive
Attention
Do
not
open
your
computer
or
attempt
any
repair
before
reading
the
“Important
safety
information”
in
the
Safety
and
Warranty
Guide
that
was
included
with
your
computer.
To
obtain
a
copy
of
the
Safety
and
Warranty
Guide,
go
to
the
Support
Web
site
at
http://www.lenovo.com/support.
This
section
provides
instructions
on
how
to
replace
an
optical
drive.
1.
Open
the
computer
cover.
See
18
Hardware
Replacement
Guide