"Micro Cooling Fan" Silent change the power supply fan: You can also mute the power to consider and perhaps change the fan, there are a lot of quiet power on the market today, these power usually through rigorous testing, can effectively reduce power supply noise. There is also better able to supply change "Micro Cooling Fan", change the power supply cooling fan to the process is very simple, the key is to pay attention to the fan and power supply connected parts. Avoid large current shock if "Micro Cooling Fan" power supply noise is because the boot create an instant high current, it is possible to install a filter may be replaced with a better quality of power supply, to avoid large current impact noise.