Dell Inspiron 5676 Service Manual page 38

3 In the reverse sequential order (as indicated on the processor-cooling assembly), loosen the four captive screws that secure the
processor-cooling assembly to the system board.
4 Remove the screw (6-32UNCx3.6) that secures the fan to the chassis.
5 Lift and release the fan from the chassis.
6 Lift the processor-cooling assembly along with the fan off the system board.
38 Removing the fan