Chapter 2: Installation
of diagonal fasteners (#1 & #2, and #3 & #4) into the mounting holes until you hear a click. Also, make sure to orient each fastener so that the narrow end of the groove is pointing outward.
8. Repeat Step 7 to insert all four heatsink fasteners into the mounting holes.
9.Once all four fasteners are securely inserted into the mounting holes, and the heat- sink is properly installed on the motherboard, connect the heatsink fan wires to a Fan connector.