Dell Inspiron 15 5557 Service Manual - Page 74
Replacing the system board, Procedure
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Replacing the system board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your 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 program after 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 must make the desired changes again after you replace the system board. Procedure CAUTION: Make sure that no cables are placed under the system board. 1 Slide the ports into the slots on the palm-rest assembly and align the screw holes on the system board with the screw holes on the palm-rest assembly. 2 Replace the screws that secure the system board to the palm-rest assembly. 74