Dell XPS 630i Service Manual page 81

4 Tighten the four captive screws.
5 Connect the fan cable to the FAN_CPU connector on the system board
(see "System Board Components" on page 16).
6 Close the computer cover (see "Replacing the Computer Cover" on
page 119).
NOTICE:
To connect a network cable, first plug the cable into the network port or
device and then plug it into the computer.
7 Connect your computer and devices to electrical outlets, and then turn
them on.
Processor Heatsink
81