Dell Precision T5400 (Late 2007) - Manual (Page 200)

200 Adding and Replacing Parts
a Pull up to free the card retention mechanism from the hard-drive
carrier.
b Find the removable card-retention device (if installed) located at the
base of the card retention mechanism, beside the hard-drive carrier.
c Grasp the removable card retention device between your thumb and
forefinger and press the tip in as you pull to slide the removable device
from the card-retention mechanism.
15 Rotate the hard-drive carrier back into the computer (see "Rotating the
Hard Drive Carrier Out of the Computer" on page 156).
16 Ensure that all connectors are properly cabled and firmly seated.
NOTICE: To connect a network cable, first plug the cable into the network device
and then plug the cable into the computer.
17 Replace the computer cover (see "Replacing the Computer Cover" on
page 161), reconnect the computer and devices to electrical outlets, and
then turn them on.
18 If you installed a sound card:
1 removable card-retention device 2 card-retention mechanism
2
1