Dell Precision T7400 (Late 2007) - Manual (Page 267)

Adding and Replacing Parts 267
7 If you are not installing another drive in the optical drive bay, install a drive
panel insert (see "Replacing a Drive-Panel Insert" on page 249).
8 If you are installing another drive in the optical drive bay, see the
appropriate installation instructions in this section.
9 Reinstall the drive panel (see "Replacing the Drive Panel" on page 249).
10 Replace the computer cover (see "Replacing the Computer Cover" on
page 145).
NOTICE: To connect a network cable, first plug the cable into the network port or
device and then plug it into the computer.
11 Connect the computer and devices to electrical outlets, and turn them on.
1 sliding-plate lever 2 optical drive
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