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Removing 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 dell.com/regulatory_compliance.
NOTE: Your computer’s Service Tag is stored in the system board. You
must enter the Service Tag in the system setup after you replace the
system board.
NOTE: Replacing the system board removes any changes you have
made to the BIOS using System Setup. Enter the Service Tag of your
computer in the BIOS and make the desired 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 them correctly
after you replace the system board.
Prerequisites
1 Remove the stand assembly.
2 Remove the back cover.
3 Remove the memory module(s).
4 Remove the system-board shield.
5 Remove the VESA-mount bracket.
6 Remove the power-supply diagnostic board.
7 Remove the I/O bracket.
8 Remove the processor heat-sink.
9 Remove the processor fan.
10 Remove the processor.
11 Remove the hard drive.
12 Remove the wireless card.
13 Remove the coin-cell battery.
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