154 Installing System ComponentsRemoving the Control Panel BoardCAUTION: 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 84.3 Disconnect the cables connected to the control panel board. SeeFigure 3-30.4 If applicable, remove the USB memory key. See "Internal USB MemoryKey" on page 112.5 Using a T10 Torx driver, remove the three screws that secure the controlpanel board to the front-chassis assembly. See Figure 3-30.6 Using a T8 Torx driver, remove the screw that secures the control panelboard on the front of the system. See Figure 3-30.7 Slide the control panel assembly toward the back of the system and take itout.Installing the Control Panel Board1 Align the screw holes on the control panel board with the holes on thefront-chassis assembly.2 Using a T10 Torx driver, replace the three screws that secure the controlpanel board to the front-chassis assembly. See Figure 3-30.3 Using a T8 Torx driver, replace the screw that secures the control panelboard on the front of the system. See Figure 3-30.4 If applicable, install the USB memory key. See "Internal USB Memory Key"on page 112.5 Connect all the cables to the control panel board.6 If required, route the power/data cables along the chassis wall. See step 2and step 3 of "Sliding the Front-Chassis Assembly" on page 98.7 Close the system. See "Closing the System" on page 85.
