The cooler must be aligned to the four holes located on the motherboard.

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Figure 37: Installing the cooler.
After putting the cooler over the processor, you should “close” all the cooler locks by using a screwdriver. Observe Figure 38 to know the correct position. The arrow must face the outer side and the notch of the white part must touch the black support.

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Figure 38: Lock in the correct position.
You should press the locks two-by-two, diagonally.

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Figure 39: Locking the cooler on one side.

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Figure 40: Locking the cooler on the other side.
It’s very important to check if the cooler really is well fixed and if all the locks are in the correct position.

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Figure 41: Cooler correctly installed.