Dell Latitude 5300 Service Manual page 54

Steps
1. Place the heatsink on the system board and align the screw holes on the heatsink with the screw holes on the system board
[1].
2. In sequential order (as indicated on the heatsink), tighten the four captive screws that secure the heatsink to the system
board [2].
54 Disassembly and reassembly