8. Disconnect the power cables from the system board and the hard-drive backplane.9. Remove the system board. For more information, see the Removing the system board section.10. Remove the power interposer board.Steps1. Disconnect the power cables from the power distribution board (PDB).2. Remove the six screws that secure the PDB to the chassis.3. Lift the PDB up and out of the chassis.Figure 114. Removing the power distribution board1. screws (6) 2. power distribution boardRelated LinksSafety instructionsInstalling the power distribution boardBefore working inside your systemInstalling the power distribution boardPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat are shipped with your product.1. Follow the safety guidelines listed in the Safety instructions section.2. Keep the Phillips #2 screwdriver ready.Steps1. Align the screw holes on the power distribution board (PDB) with the holes on the chassis.2. Secure the PDB on to the chassis by using the six screws.3. Connect the power cables to the PDB.198
