Removing the system boardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow thesteps in Before working inside your computer. After working inside your computer, follow the instructions in After working insideyour computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup programafter you replace the system board.NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You mustmake the appropriate changes again after you replace the system board.NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can reconnectthe cables correctly after you replace the system board.Topics:• Prerequisites• ProcedurePrerequisites1 Remove the base cover.2 Remove the battery.3 Remove the solid-state drive.4 Disconnect the wireless card.Procedure1 Remove the two screws (M1.6x2.5) that secure the display-cable bracket to the system board.2 Lift the display-cable bracket off the display cable.3 Using the pull tab, disconnect the display cable from the system board.4 Disconnect the camera cable from the system board.5 Disconnect the touch-screen cable from the system board.6 Move the display cable to the side to facilitate system board removal.1930 Removing the system board