1. First determine the "front and back" of the fan. The side blocked by four edges is the back of the chassis fan, the air outlet side. This side faces the outside of the chassis

2. This side is the front face of the chassis fan, the suction side, which can also be called the "trademark side". This side faces into the chassis

3. The box on the left in the picture is the chassis at the rear of the chassis. Fan installation position, the right side is the CPU cooling fan, be careful not to make a mistake when installing it

4. Determine the front and back of the fan, place it at the corresponding position at the back of the chassis, and tighten the corresponding screws That’s it

Solutions to the loud computer host noise:

1. If it’s just a buzzing sound. Most of the sound is caused by the fan. Due to the fan being used for a long time and the interior being dry, there will naturally be some small buzzing noises. These are normal phenomena. If you need to solve this problem, you can remove the CPU fan, clean the dust completely, and apply some fan lubricant to see the effect immediately.

2. There is an obvious clicking noise, which is often caused by the power cord or the CPU fan power cord and the hard disk fan cord touching the CPU fan or graphics card cooling fan. You can turn off the computer first and take a closer look to see that no wires are touching the fan. You can determine the approximate location just by listening to the problem. Rearranging the wires can usually solve the problem.

3. When the internal disk of the hard disk is damaged, it is easy to produce noise, mainly caused by the friction between the magnetic head and the avoidance. When this happens, the noise is usually very obvious. If you touch the hard disk with your hand, you will feel a strong vibration. . This situation indicates that the hard disk is already at a point where it is about to be damaged. At this time, it is recommended that you backup your data and replace the hard drive to solve the problem of noise and data security.

4. Computer power supply is also an accessory that is more likely to produce noise. Generally, the noise sources come from the power supply cooling fan and the internal circuit of the computer. The most common source of noise is the power supply cooling fan. We can easily identify this part by observing and listening. Solution: If the power supply is under warranty, it is recommended to take it for warranty. In addition, if the warranty has expired for the old power supply, you can try to clean the dust yourself. . In addition, small problems in the internal circuit of the power supply can also produce various weird noises. For example, internal transformer failure can easily produce harsh and indescribable noises. It is recommended to replace the power supply or repair it.