Figure 84. Removing the power distribution board1 screw (3) 2 PDB3 left PSU bay 4 right PSU bayNext steps1 Install the PDB.2 Install the following:a Expansion card risers, if installedb Storage controller cardc AC power supply unit (PSU) or PSU blank, if installedd PSU bay3 Follow the procedure listed in the After working inside your system section.Related linksSafety instructionsRemoving the left or right expansion card riserRemoving the integrated storage controller cardRemoving an AC power supply unitRemoving the power supply unit blankRemoving the power supply unit bayInstalling the power distribution boardAfter working inside your systemInstalling the power distribution boardPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simplerepairs as authorized in your product documentation, or as directed by the online or telephone service and support team.Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.1 Follow the safety guidelines listed in the Safety instructions section.152 Installing and removing system components
