Dell 3800 owner manual Installing The Power Supply Unit PSU, Removing The Heatsink

Installing The Power Supply Unit (PSU)

1.Place the power supply unit into the computer.

2.Slide the power supply unit towards the back of the computer till it snaps into place.

3.Replace the screws to secure the power supply unit to the computer.

4.Thread the power cables through the metal clips.

5.Connect the power cables to the system board.

6.Install the:

•optical drive

•hard drive

•bezel

•cover

7.Follow the procedures in After Working Inside Your Computer.

Removing The Heatsink

1.Follow the procedures in Before Working Inside Your Computer.

2.Remove the:

•cover

•bezel

•optical drive

•hard drive

3.Follow the steps below to remove the processor heat sink:

a.Disconnect the heat sink and fan assembly cable from the system board.

b.Loosen the captive-screws that secure the heat sink and fan assembly to the system board.

c.Lift the heat sink and fan assembly upward and remove it from the computer.

15