1. When the DC cooling fan is not installed when the friend is loose, it will also cause the fan to slow down, so it is recommended to be careful when installing and removing.
2. The reason for the slow speed of the DC cooling fan is to first check whether it has been used for a long time, and the dust has not been removed and cleaned, resulting in excessive dust accumulation, causing the fan to rotate more difficultly, and the speed will slow down.
3. The slow speed of the DC cooling fan may also be caused by a problem with the power supply, so users can also consider changing to a silent power supply or a DC fan. There are many silent power supplies on the market. These power supplies are usually strictly tested and can effectively reduce power supply noise.
