9. If applicable, install the front bezel.Control Panel AssemblyRemoving The Control-Panel BoardCAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.1. If installed, remove the front bezel.2. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet andperipherals.3. Open the system.CAUTION: The display module connector is a ZIF (zero insertion force) connector. Ensure that the locking tabon the connector is released before removal and insertion. The locking tab must be engaged after insertion.4. Disconnect the USB cable, control panel cable, and the display module cable from the control-panel board.5. Using a #2 Phillips screwdriver, remove the two screws that secure the control-panel board to the chassis.6. Slide the control-panel board toward the back and lift it out of the system.Figure 54. Removing and Installing the Control-Panel Board1. control-panel board2. screws (2)3. control-panel data cable95
