Installing System Components 141Installing 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 Insert the display module into the chassis cutout and secure it with theTorx screw. See Figure 3-28.2 Attach the replacement panel to the front of the display module.3 Connect the display module cable to the control panel board.4 Close the system. See "Closing the System" on page 85.5 Reconnect the system to the power source and turn on the system andattached peripherals.6 If applicable, install the front bezel. See "Installing the Front Bezel" onpage 83.Removing the Control Panel AssemblyCAUTION: 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 and peripherals.2 Open the system. See "Opening the System" on page 83.3 Disconnect the control panel cable at the back of the control panel boardby pressing the metal tabs on the ends of the cable connector and gentlyworking the connector out of the socket.CAUTION: Do not pull on the cable to unseat the connector. Doing so can damagethe cable.4 Disconnect the USB cable at the back of the control panel board. SeeFigure 3-28.
