122 Installing System ComponentsInstalling the Control Panel Assembly1 Push the control panel gently into the chassis2 Connect the control panel cable to the control panel board.3 Using a Phillips screwdriver, replace the screw that secures the controlpanel assembly to the chassis.4 Connect the control panel assembly cable to the system board.See Figure 3-22.5 Close the system. See "Closing the System" on page 80.6 Place the system upright on a flat surface.7 Replace the front bezel. See "Installing the Front Bezel" on page 76.8 Reattach any peripherals and connect the system to an electrical outlet.9 Turn on the system and attached peripherals.SATA BackplaneRemoving the SATA BackplaneCAUTION: Many repairs may only be done by a certified service technician.You should only perform troubleshooting and simple repairs as authorized inyour product documentation, or as directed by the online or telephone serviceand support team. Damage due to servicing that is not authorized by Dell is notcovered by your warranty. Read and follow the safety instructions that camewith the product.1 Remove the front bezel. See "Removing the Front Bezel" on page 75.2 Turn off the system and attached peripherals, and disconnect thesystem from the electrical outlet.3 Open the system. See "Opening the System" on page 79.CAUTION: To prevent damage to the drives and backplane, you must removethe hard drives from the system before removing the backplane.CAUTION: You must note the number of each hard drive and temporarilylabel them before removal so that you can replace them in the same locations.4 Remove all hard drives. See "Hard Drives" on page 84.
