Service Manual

Replacing the System Board
NOTE: 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 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
1. Align the system-board assembly with the slots on the chassis and place the system-board assembly in position.
2. Slide the system-board assembly towards the back of the chassis and engage the latches that secure it to the chassis.
3. Replace the screws that secure the system-board assembly to the chassis.
4. Route and connect the cables that you disconnected from the system-board assembly.
NOTE: For information on system board connectors, see “System-Board Components”.
Post-requisites
1. Replace the processor.
2. Replace the processor liquid-cooling assembly fan.
3. Replace the
memory module.
4. Replace the coin-cell battery.
5. Replace the graphics card.
6. Replace the multiple graphics cards.
7. Replace the memory fan.
8. Replace the
wireless card.
9. Replace both the left and right side-panels. See “Replacing the Side Panels”.
10.Replace the stability foot.
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