38 CHAPTER 5: INSTALLING ADDITIONAL OR REPLACEMENT COMPONENTSRemoving and Replacing the Side PanelCAUTION: Before removing the side panel, disconnect the power cablefrom your desktop.To remove the side panel:Follow the instructions in “Before You Begin” on page1. 36.NOTE: Ensure that you remove the security cable from the security cableslot (if applicable).Slide the latch to the right to unlock the release panel.2.Lift the release panel to open the side panel.3.Place the side panel in a secure location.4.NOTE: Theater lighting (available only on Alienware Aurora ALX) turns onautomatically when the side panel is removed. Theater lighting is poweredby internal batteries.To replace the side panel, push the side panel against the side of the computeruntil it locks into place.13241 release panel 2 security cable slot3 latch 4 side panel