Dell Precision 7920 Tower Owner's Manual

Removing system board

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. side cover
   2. front bezel
   3. air shroud
   4. PCIe card holder
   5. front system fan
   6. memory module
   7. processor heat sink module
   8. rear system fan
3. Disconnect the following cables from the system board:
   • Front panel audio cable [1]
   • Power cable
   • Power control cable
   • Internal chassis speaker cable
   • Intrusion module cable
   • System fan 3 cable [2]
   
4. Disconnect the front panel cables [1], power cable [2], front panel USB 2 cable and DD cable [3]
   
5. Remove the right side cover, to disconnect the SATA 0 cable from system board.
   NOTE:Depending on the system configuration, additional cables might need to be disconnected.
   
6. Remove the twelve screws securing the system board to the chassis.
   
7. Lift the system board away from the chassis.