Carefully remove the thermal paste residue using lint free cloth or MX-cleaner.
As the cooler mounting holes are square in shape, the cooler can be mounted in any of the four orientations.
* For Motherboard(s) with 2 set of mounting holes as shown in the above picture, please mount the cooler on the outter holes.
Please ensure that the pushpins are in the locked position as shown in the above picture.
To get the best out of your cooler, it is recommended to adjust the fan speed control in the BIOS, follow this guide to adjust your PWM Settings.