Removing the system boardWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps in Beforeworking inside your computer. After working inside your computer, followthe instructions in After working inside your computer. For more safety bestpractices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.NOTE: Your computer’s Service Tag is stored in the system board. Youmust enter the Service Tag in the BIOS setup program after you replace thesystem board.NOTE: Replacing the system board removes any changes you have made tothe BIOS using the BIOS setup program. You must make the appropriatechanges again after you replace the system board.NOTE: Before disconnecting the cables from the system board, note thelocation of the connectors so that you can reconnect the cables correctlyafter you replace the system board.Prerequisites1 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 thesystem 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.38