126 Installing System ComponentsInstalling the Control Panel Board Assembly and the Control PanelDisplay ModuleCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.1 Affix the replacement panel to the front of the display module.2 Align the slot in the control panel board with the standoff on the systemchassis and secure with the two screws. See Figure 3-21.3 Connect the display module cable to the control panel board.4 Connect the USB and control panel cables to the control panel board.5 Close the system. See "Closing the System" on page 77.6 If applicable, replace the front bezel. See "Installing the Front Bezel" onpage 75.7 Reconnect the system to the power source and turn on the system andattached peripherals.SAS BackplaneRemoving the SAS BackplaneCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.1 Turn off the system and attached peripherals, and disconnect the systemfrom the electrical outlet.2 Open the system. See "Opening the System" on page 76.CAUTION: To prevent damage to the drives and backplane, you must remove thehard drives from the system before removing the backplane.
