Installing The Optional Ethernet Port Card; Removing The Power Supply Unit (Psu) - Dell OptiPlex 5040 Series Owner's Manual

• bezel
3. Open the front bezel
4. To remove the Ethernet port card:
a. Pull the release latch to open it [1].
b. Hold the Ethernet port card and pull it to disengage it from the slot on the system board.
c. Lift the Ethernet port card from the computer [2].

Installing the optional Ethernet port card

1. Pull the release latch to open it.
2. Align the Ethernet port card with the slot on the back on the computer and the card connector with
the connector on the system board.
3. Insert the Ethernet port card into the connector on the system board until it clicks into place.
4. Close the release latch.
5. Install the:
a. bezel
b. cover
6. Close the front bezel door.
7. Follow the procedure in

Removing the power supply unit (PSU)

1. Follow the procedure in
2. Remove the:
• cover
• bezel
3. Open the front bezel
4. To remove the PSU:
a. Remove the screws that secure the PSU to the computer [1].
b. Disconnect the PSU cables from the connectors on the system board [2, 3].
c. Unroute the PSU cables from the retention clips.
d. Press the metal release tab [4], slide the PSU toward the back and lift it out of the computer [5].
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After Working Inside Your
Before Working Inside Your
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