If necessary, use a piece of capping tape to secure the cable to the side of the disk cage assembly.
Slightly push the disk cage assembly into the server chassis to ensure that the disk cage screw holes are correctly aligned with the server chassis.
See the procedures for your storage drive configuration in Servicing the Storage Drive Backplanes.
See Install a Fan Module.
See Reconnect Power and Data Cables and Power On the Server. Verify that the power supply AC OK LED is lit.