Dell G5 15, Service Manual

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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 appropriate changes again after you replace the system board.
Topics:
• Procedure
• Post-requisites
• Entering the Service Tag in the BIOS setup program
Procedure
1 Replace the heat-sink assembly .
2 Turn the system board over.
3 Slide the ports on the system board into the slots on the computer base and align the screw holes on the system board with the screw
holes on the computer base.
4 Replace the four screws (M2x3) that secure the fans to the system board.
5 Replace the three screws (M2.5x5) that secure the system board to the computer base.
6 Connect the speaker cable to the system board.
7 Align and place the USB Type-C port bracket on the system board.
8 Replace the two screws (M2.5x5) that secure the USB Type-C port bracket to the computer base.
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50 Replacing the system board