Dell Dimension 9150/XPS 400 - Manual (Page 103)

Removing and Installing Parts
103
Removing a CD/DVD Drive
1 Follow the procedures in "Before You Begin" on page 63.
2 Remove the computer cover (see page 68).
3 Disconnect the power cable from the back of the drive and the CD/DVD drive cable from the
back of the drive and the system board.
power cable CD/DVD drive cable
system board