Dell D15S Service Manual page 47

Steps
1. Align and place the power-supply unit into the slot on the chassis.
2. Slide the power-supply unit into the slot until it clicks in place.
3. Replace the three screws (M6x32) to secure the power-supply unit to the chassis.
4. Insert the power-supply cables through retention clips and connect it to the connectors on the system board.
5. Place the support bracket into the slot and secure it with the two screws (M6x32).
6. Insert the SATA cables through the retention clip on the support bracket.
Disassembly and reassembly 47