"Micro Cooling Fan" primary problems are: fan noise, the fan does not turn or speed is not normal and so on. The primary cause of the occurrence of noise cooling fan are: fan dust, normal wear, electrical damage. Cooling fan in the job is a normal wind, but when you find a significant increase in "Micro Cooling Fan" relatively sound purchase or when normal operations and announced the wind obviously not the same, now needs repair or dust finishing fans ??? Please stand service station engineers to help organize fan dust. Usually pay attention to the use of the environment, do not use a laptop at a dirty, high temperature, the temperature of the environment is too large, improve the use of the environment, extending "Micro Cooling Fan" the use of life expectancy