Dell Precision T3400 (Late 2007) - Manual (Page 230)

230
Adding and Replacing Parts
8 Replace the desktop drive retainer insert and fold the handle down.
9 Check all cable connections, and fold cables out of the way to provide
airflow for the fan and cooling vents.
10 Replace the front panel (see "Replacing the Front Panel" on page 261).
11 Replace the computer cover (see "Replacing the Computer Cover" on
page 262).
NOTICE:
To connect a network cable, first plug the cable in to the network port or
device and then plug it in to the computer.
1 power cable 2 floppy drive cable
3 floppy drive connector (FLOPPY)
1
2
3