Dell Vostro 400 (Mid 2007) - Manual (Page 143)

Removing and Installing Parts
143
Optical Drive
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions located in the Product Information Guide.
CAUTION:
To guard against electrical shock, always unplug your computer from
the electrical outlet before removing the cover.
Removing an Optical Drive
1 Follow the procedures in "Before You Begin" on page 101.
2 Remove the computer cover (see "Removing the Computer Cover" on
page 103).
3 Remove the bezel (see "Removing the Bezel" on page 123).
4 Disconnect the optical drive data cable from the system board connector.
5 Disconnect the power cable and the optical drive data cable from the back
of the drive.