Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs 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 instructions that are shipped with your product.
Replacing The Power Distribution Board:
Remove the power interposer board and the power distribution board together from the system.
Slide out the power distribution board from the power interposer board and replace with the new power distribution board.
Install the power interposer board and the power distribution board together in the system.