Removing 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 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.
NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can reconnect
the cables correctly after you replace the system board.
Topics:
• Prerequisites
• Procedure
Prerequisites
1. Remove the base cover.
2. Remove the wireless card.
3. Remove the solid-state drive.
4. Remove the
memory modules.
5. Remove the rear-I/O cover.
6. Remove the computer base.
7. Remove the coin-cell battery.
8. Remove the
battery.
9. Remove the heat-sink assembly.
Procedure
CAUTION: Place the computer on a clean, flat surface.
1. Turn the computer over.
2. Disconnect the logo-board cable from the system board.
3. Using the pull-tab, disconnect the power-button board cable from the system board.
4. Open the latch and disconnect the display cable from the system board.
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