Control panelThe control panel contains the power button, the diagnostic indicators, and the front USB ports.Removing the control panel boardPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simplerepairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damagedue to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that areshipped with your product.CAUTION: The display module connector is a ZIF (zero insertion force) connector. Ensure that the locking tab on the connectoris released before removal and insertion. The locking tab must be engaged after insertion.NOTE: To prevent damage to the LCD display module cable, do not bend the control panel flex cable after it is inserted into theconnector.1 Follow the safety guidelines listed in the Safety instructions section.2 Follow the procedure listed in the Before working inside your system section.Steps1 Disconnect the USB cable, control panel cable, and the LCD display module cable from the control panel board.2 Using a Phillips #2 screwdriver, remove the two screws that secure the control panel board to the chassis.3 Slide the control panel board toward the back and lift it out of the system.Figure 81. Removing the control panel board1 control panel board 2 screws (2)Installing and removing system components 149
