Dell Precision T5400 (Late 2007) - Manual (Page 277)

Adding and Replacing Parts 277
9 If you are installing another drive in the optical drive bay, see the
"Installing an Optical Drive (Desktop Computer)" on page 277.
10 Replace the desktop drive retention insert and fold down its handle.
11 Reinstall the drive panel (see "Replacing the Drive Panel" on page 237).
12 Ensure that all connectors are properly cabled and firmly seated.
13 Replace the computer cover (see "Replacing the Computer Cover" on
page 161).
NOTICE: To connect a network cable, first plug the cable into the network port or
device and then plug it into the computer.
14 Connect the computer and devices to electrical outlets, and turn them on.
Installing an Optical Drive (Desktop Computer)
1 Follow the procedures in "Before You Begin" on page 151.
2 If you are installing a new drive, unpack the drive and prepare it for
installation.
Check the documentation that accompanied the drive to verify that the
drive is configured for your computer.
3 Remove the computer cover (see "Removing the Computer Cover" on
page 153).
4 Remove the drive panel (see "Removing the Drive Panel" on page 233).
5 Pull the desktop drive retention insert out by the handle and set it aside in
a safe place.