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System Board
Dell™OptiPlex™380ServiceManual—Desktop
Removing the System Board
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the riser assembly.
3. Remove the heat sink and processor.
4. Remove the expansion card(s).
5. Remove the memory.
6. Disconnect the fan power cable from the system board.
7. Disconnect the main power cable from the system board.
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.