Dell Precision T5500 (Early 2009) - Manual (Page 69)

System Board
Dell Precision™ T5500 Service Manual
Removing the System Board
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the computer cover .
3. Lift the hard drive tray .
4. Remove the memory shroud .
5. Remove the front fan assembly .
6. Remove any expansion or video cards and raise the expansion card retention arm .
7. Remove the heat sink and processor .
8. Remove any memory modules .
9. Disconnect the front panel audio 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.