Installing a storage sled on page 39Installing a compute sled on page 36Related informationRemoving the bottom interposer module on page 61Removing the top interposer modulePrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered byyour warranty. Read and follow the safety instructions that came with the product.NOTE: This is a field replaceable unit (FRU). Removal and installation procedures must be performed only by Dell certifiedservice technicians.NOTE: You must remove the top interposer module to replace a faulty module, install half-width or full-width sleds, orservice other components inside the system.NOTE: You must remove the bottom interposer module before removing the top interposer module.1. Ensure that you read the Safety instructions on page 33.2. Follow the procedure listed in Before working inside your system on page 33.3. Remove the following:● sleds● power supplies● CMC module● I/O module(s)● PCIe modules, if applicable● system cover● cooling fans● cooling-fan cage● bottom interposer moduleSteps1. Turn the system over with the bottom side of the system facing up.2. From the bottom of the system:a. Remove the three screws that secure the top partition to the middle plate.Installing and removing PowerEdge FX2/FX2s enclosure components 65