The computer case buzzes when it is turned on. I believe many users have encountered this problem. The most likely cause of the buzzing sound is the fan. The solution is also very simple, just add oil to the fan. Now I will introduce to you how to refuel the computer fan. You are welcome to refer to and learn from it.

The desktop case was buzzing loudly. After checking for a long time, I found out that the fan on the graphics card was out of oil. After searching on Baidu, I found that the methods for refueling the fans on both desktop and notebook computers are basically the same. similar. If you use grease, it is recommended to add oil once every six months or a year.

Note: The pictures are not complete, so please focus on the text. In addition, I used the tools at hand, which is not ideal, but more suitable alternative tools are marked next to each step. Please try to use alternative tools.

1. The picture below is the old CPU fan that was replaced on my desktop computer at home. This time I will use it as an example to teach you how to refuel the fan.

2. There is a trademark on the front or back of the fan, but as long as you apply a little force to the middle of the trademark, you will find that the middle of a certain side will be concave. Gently lift the trademark on the concave side. , until you see the small hole in the middle.

3. Use a cotton swab to dip into the oil. It is best to use a dropper or other tool to carefully put the oil/grease into the small hole opened on the fan in the previous step.

Note: Put the oil or grease into the small hole as accurately as possible, and do not touch the position next to the small hole, so as to prevent the trademark from sticking in the end.

4. Replace the trademark in the small hole and glue it well.

5. Wait for a moment and reinstall the fan to the machine.

Notes:

Whether on a desktop or a laptop, the methods for refueling various fans are basically similar. The method I used is relatively simple, so please try to use more professional tools. In addition, the above experience was re-edited by me later, and the writing may not be ideal. Please forgive me.

If you use grease, it is recommended to add oil once every six months or a year. I didn't pay attention to my desktop computer at first, which caused the chassis to buzz wildly. After checking for a long time, I found out that the fan on the graphics card was out of oil. Thank you for reading, I hope this helps you all.