Dell Precision 7920 Tower Owner's Manual

Removing the power distribution and fan control board

1. Follow the procedure in Before working inside the computer.
2. Remove the:
   1. PSU
   2. right side cover
3. To remove the power distribution and fan control board:
   1. Press the tab on both sides of the connector and disconnect the power cable on the control board [1].
   2. Disconnect the fan cables from the connectors on the control board [2].
   3. Disconnect the power, PDB, and power VGA cables from the connectors on the control board [3].
   
4. Remove the three screws that secure the control board to the chassis [1, 2]. Lift the control board away from the chassis.