Before "Cooling Fan" split U-frame, put two screws removed; when the demolition of the U-shaped frame, the two sides should first lift force, and then pull back, because the bottom slot, behind Photo more clearly, I read on to understand. U-frame relieved to five fixed cooling brass screws can be removed out of the fan. Good health after cleaning up inside the upper right corner with a fan fixed antenna tape, tear, you can change the new time sheets back together. Are removed after the fan can be lifted, and with the point force, because the grease on the CPU may be done relatively sticky prison, the fan side of the power cable Do not forget to pull down.