Installing System Components 151Installing the Control-Panel Module–LED (Twelve–Hard-Drive System)1 Connect the control-panel cable to the control-panel module.2 Tighten the single screw to secure the bracket to the back of the module.3 Align the module with the holes on the left side of the system chassis andsecure with the three Torx screws. See Figure 3-31.4 Close the system. See "Closing the System" on page 89.5 Reconnect the system to the power source and turn on the system andattached peripherals.6 If applicable, replace the front bezel. See "Installing the Front Bezel" onpage 87.Control Panel Assembly—LCD (Optional)NOTE: This section is applicable only to the eight–hard-drive systems.NOTE: The control panel assembly consists of two separate modules—the displaymodule and the control panel circuit board. Use the following instructions toremove and install either module.Removing the Control Panel Display ModuleCAUTION: 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 Turn off the system and attached peripherals, and disconnect the systemfrom the electrical outlet and peripherals.2 Open the system. See "Opening the System" on page 87.3 Disconnect the display module cable from the control panel board.See Figure 3-32.4 Using a knife or a small flat-blade screwdriver, insert the blade beneath thefront panel of the display and slide the blade across the bottom to lift thepanel outward. See Figure 3-32.
