Dell WHL Owner's Manual page 119

9 Reinstall the second retention module clip.
10 Lower the airflow shroud over the heat sink.
11 Reconnect the two cooling fan power cables to
the CPU FAN1 and CPU FAN2 connectors
(see "System Board Components" on page 78)
on the system board.
12 Reconnect the power cable to the POWER12V
connector (see "System Board Components" on
page 78) on the system board.
13 Close the computer cover (see "Closing the
Computer Cover" on page 125).
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 your computer and devices to
electrical outlets, and turn them on.
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Removing and Installing Parts
119