Upgrading Your System 4-3Preparing Your System for UpgradeDepending on the upgrade, you will need one or more of the following tools:! Phillips screwdriver (#1 bit and #2 bit)! Flat-head screwdriver! Small needle nose pliers! Pen or pencil! ESD workstation or antistatic wrist strap (recommended)Equipment LogUse the equipment log form located at the end of this manual to record themodel and serial number of your system, all installed options, and any otherpertinent information specific to your system. You will need this informationwhen configuring your system.Removing the Side PanelsTo install options in your system, you must remove the side panel on the leftside of the system (as viewed from the front). The side panel on the right side ofthe system (as viewed from the front) only has to be removed when adding 5.25-inch removable media devices to the system.! CAUTIONFor proper cooling and airflow, do not operate the systemwith the side panels removed. Always replace the panelsbefore powering on the system.! WARNINGIf you are removing the side panel after the system is set up,you must first power off the system and all external devicesand then Unplug the system power cordTo remove the left side panel:1. Power off the system and ensure it is disconnected from the ac wall outlet.2. The side panel is secured to the chassis with three screws. Remove thescrews securing the left side panel. Save the screws for reattaching the sidepanel. See Figure 4-1.3. Slide the side panel toward the rear of the chassis. This unlocks the lockingfingers behind the side panel.