Removing the system boardWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps inBefore working inside your computer. After working inside yourcomputer, follow the instructions in After working inside yourcomputer. For more safety best practices, see the RegulatoryCompliance 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 replacethe system board.NOTE: Replacing the system board removes any changes you havemade to the BIOS using the BIOS setup program. You must make thedesired changes 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 cablescorrectly after you replace the system board.Prerequisites1 Remove the computer cover.2 Remove the wireless card.3 Remove the memory modules.4 Remove the graphics-card bracket.5 Remove the graphics card.6 Remove the processor fan and heat sink assembly.7 Remove the processor.8 Disconnect all cables connected to the system board.For more information, see “System-board components”.ProcedureNOTE: Your computer’s Service Tag is stored in the system board. Youmust enter the Service Tag in the BIOS setup program after you replacethe system board.97
