4. Lock the bezel by using the key.Figure 7. Installing the optional front bezel1. release latch 2. lock3. front bezelRemoving the optional front bezel1. Unlock the keylock at the left end of the bezel.2. Lift the release latch next to the keylock.3. Rotate the left end of the bezel away from the front panel.4. Unhook the right end of the bezel and pull the bezel away from the system.System coverThe system cover protects the components inside the system and helps in maintaining air flow inside thesystem. Removing the system cover actuates the intrusion switch which aids in maintaining systemsecurity.Removing the system coverPrerequisites1. Follow the safety guidelines listed in the Safety instructions section.2. Turn off the system, including any attached peripherals.3. Disconnect the system from the electrical outlet and disconnect the peripherals.4. If installed, remove the optional bezel. For more information, see the Removing the optional frontbezel section.5. If installed, remove the front bezel.51