3Installing System ComponentsRecommended ToolsYou may need the following items to perform the procedures in this section:• #1 and #2 Phillips screwdrivers• Wrist grounding strap connected to groundOpening And Closing The SystemWARNING: Whenever you need to lift the system, get others to assist you. To avoid injury, do notattempt to lift the system by yourself.WARNING: Opening or removing the system cover when the system is on may expose you to arisk of electric shock.NOTE: It is recommended that you always use a static mat and static strap while working oncomponents in the interior of the system.CAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.CAUTION: Do not operate the system without the cover for a duration exceeding five minutes.Opening The System1. Turn off the system, including any attached peripherals, and disconnect the system from theelectrical outlet and peripherals.2. Lay the system on its side, on a flat and stable surface.3. Lift the cover release latch and remove the cover away from the system.25