Dell Inspiron 5676 Service Manual page 51

3 Press the securing clip and disconnect the power-supply unit cable from the processor-power cable.
4 Press the securing clip and disconnect the power-supply unit cable from the system board cable.
5 Disconnect the power cable from the hard-disk cable.
6 Disconnect the power cable from the optical-drive cable.
7 Remove the four screws (6-32UNCx6.3) that secure the power-supply unit to the chassis.
8 Press the clamp and slide the power-supply unit towards the front of the chassis and lift the power-supply unit, along with the cables,
off the chassis.
Removing the power-supply unit 51