5Remove the front panel plate until it separates from the display module to allow access to the mounting screws.
6Remove the two screws that secures the display module to the system chassis.
7Remove the display module from the chassis cutout.
Installing the Control Panel Display Module
1Insert the display module into the chassis cutout and secure with the Torx screw. See Figure
2Attach the replacement panel to the front of the display module.
3Connect the display module cable to the control panel board.
4Close the system. See "Closing the System" on page 89.
5Reconnect the system to the power source and turn on the system and attached peripherals.
Removing the Control Panel Assembly
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.
1If installed, remove the front bezel. See "Removing the Front Bezel" on page 86.
2Turn off the system and attached peripherals, and disconnect the system from the electrical outlet and peripherals.
3Open the system. See "Opening the System" on page 87.
4Disconnect the control panel cable at the back of the control panel board by pressing the metal tabs on the ends of the cable connector and gently working the connector out of the socket.
CAUTION: Do not pull on the cable to unseat the connector. Doing so can damage the cable.
5Disconnect the USB cable at the back of the control panel board. See Figure
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