Dell 745N manual Power Distribution Board, Installing the Fan Assembly

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Installing the Fan Assembly

1Align the holes in the fan assembly with the three fan assembly securing posts.

2Lower the fan assembly until the release levers snap onto the securing posts.

3Re-engage the three forward-facing snaps.

4Install the power distribution board. See "Installing the Power Distribution Board."

5Reconnect data and power connector cable to the hard drives.

6Reconnect the fan assembly power cable to the connector on the system board. See Figure 6-4.

7Install the cooling shroud. See "Installing the Cooling Shroud."

8Close the system. See "Closing the System" in "Troubleshooting Your System."

Power Distribution Board

The system supports a power distribution board, which distributes power from the power supply to the hard drives.

Removing the Power Distribution Board

CAUTION: See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

1Open the system. See "Opening the System" in Troubleshooting Your System."

2Disconnect the hard drive connectors and power supply connectors from the power distribution board. See Figure 6-5.

3Using a #2 Phillips screwdriver, remove the four screws that secure the power distribution board.

4Lift the power distribution board out of the system.

Installing the Power Distribution Board

1Align the four holes in the power distribution board with four mounting posts near the cooling fan.

2Using a #2 Phillips screwdriver, install the four screws that secure the power distribution board.

3Reconnect the connectors from the hard drives and the power supply to the power distribution board.

4Close the system. See "Closing the System" in "Troubleshooting Your System."

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Installing System Components