How to remove the fan from the desktop and clean it?

1. First, we unscrew the fixing bolts at the four corners with a screwdriver.

Then we slowly pull it up and tighten it.

3. Then unplug the cable between the fan and the motherboard.

4. At this time, you can gently remove the fan by hand.

5. Look at the principle of the fan fixing bolt. It is made by opening two pieces of plastic and sticking them together with a tension bolt inserted in the middle.

6. Insert the tension bolt into the fan fixing hole of the motherboard, and then insert the tension bolt column between two tension bolts, so that the fan can be fixed and pressed on the CPU, and only need to operate in the opposite direction when disassembling.