Lenovo ThinkCentre M51 Hardware Maintenance Manual - Page 138

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3. Disconnect the signal and power cables from the rear of the hard disk drive. 4. By pulling on the blue handle, remove the hard disk drive and plastic bracket from the drive bay. 5. Note the orientation of the hard disk drive in the plastic bracket. 6. Remove the drive by flexing the plastic enough to slide the drive out. 7. Install the new hard disk drive into the plastic bracket by flexing the plastic enough to insert the drive. 8. Install the hard disk drive and bracket into the bay until it snaps into position. 9. Reconnect the signal and power cables to the drive. 10. To complete the installation, go to "Replacing the cover and connecting the cables" on page 135. Removing and replacing the optical drive 1. Remove the cover. See "Removing the cover" on page 116. 2. Disconnect the signal and power cables from the rear of the optical drive. 3. Release the optical disk drive by pressing on the blue retainer lever at the side of the drive and removing it from the front of the computer. 132 Hardware Maintenance Manual

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3.
Disconnect
the
signal
and
power
cables
from
the
rear
of
the
hard
disk
drive.
4.
By
pulling
on
the
blue
handle,
remove
the
hard
disk
drive
and
plastic
bracket
from
the
drive
bay.
5.
Note
the
orientation
of
the
hard
disk
drive
in
the
plastic
bracket.
6.
Remove
the
drive
by
flexing
the
plastic
enough
to
slide
the
drive
out.
7.
Install
the
new
hard
disk
drive
into
the
plastic
bracket
by
flexing
the
plastic
enough
to
insert
the
drive.
8.
Install
the
hard
disk
drive
and
bracket
into
the
bay
until
it
snaps
into
position.
9.
Reconnect
the
signal
and
power
cables
to
the
drive.
10.
To
complete
the
installation,
go
to
“Replacing
the
cover
and
connecting
the
cables”
on
page
135.
Removing
and
replacing
the
optical
drive
1.
Remove
the
cover.
See
“Removing
the
cover”
on
page
116.
2.
Disconnect
the
signal
and
power
cables
from
the
rear
of
the
optical
drive.
3.
Release
the
optical
disk
drive
by
pressing
on
the
blue
retainer
lever
at
the
side
of
the
drive
and
removing
it
from
the
front
of
the
computer.
132
Hardware
Maintenance
Manual