Chapter 4 - Installing Optional Components 4-33. Replace any expansion boards or peripherals that you removed earlier.4. Replace the system cover.5. Connect the necessary cables and turn on the system.4.2 Removing and Replacing the HousingCoverBefore you proceed, make sure that youhave turned off the system and allperipherals connected to it. Read section4.1.2 for pre-installation instructions.This section tells you how to open the housing cover when you need to installadditional components inside the system unit.4.2.1 Removing the Housing Cover1. Turn off power to the system unit and unplug all cables.2. Place the system unit on a flat, steady surface.3. Remove the four screws from the rear panel. Set the screws aside. You willneed them when replacing the housing cover.
