Dell D18M - Power Supply Unit (PSU) Removal and Installation

• bezel
3 Open the front bezel door.
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 After Working Inside Your Computer.
Removing the power supply unit (PSU)
1 Follow the procedure in Before Working Inside Your Computer.
2 Remove the:
• cover
• bezel
3 Open the front bezel door.
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].
Removing and installing components 14