Another use of poor-quality heat "Mini Air Cooling Fan", in the production of this type of fan due to defects in workmanship, the center of gravity may not be in the fan axis, forming the "eccentric" and use over time, fans "eccentric" phenomenon will become more and more serious, "Mini Air Cooling Fan" will not only produce noise, serious damage may CPU. In this regard, can be removed altogether, and then thread hanging from its center position, let it sink still to see which direction to put an end to sink in light grinding wheel a few times, then test, has been be "Mini Air Cooling Fan" in a horizontal position and then later be able to install up to.