Some friends who often use computers may encounter such a problem, that is, the computer host is buzzing and can't be started. How to solve it at this time? The following is the solution that I sorted out for you. I hope it can help you!
It is caused by poor heat dissipation of some hardware of the host. In this case, open the host and try to see which parts are overheated. First, prepare some tools to open the host, as shown in the figure;
First listen to the sound made by the hardware with your ears, and then try which parts are overheated by hand. The hardware analysis is shown in the figure below;
If it is caused by overheating of CPU, it may be considered to replace the fan; If the memory card makes a sound, there may be a problem in contacting the card slot. If there is too much dust on the card, brush off the dust with a brush; If it is the problem of the graphics card, see if the fan of the graphics card does not work, you may have to replace the graphics card and the fan passes the graphics card; Clean the dust of the main board and all parts with a brush, leather tiger or hair dryer;
If you can't hear it, or all parts are not overheated, go to the chassis by hand to see which parts have strong vibration, such as power supply and hard disk, as shown in the figure;
If you can't find it all the time, it may be that there is a problem with the computer BIOS, or the hardware information in the BIOS has been changed by poisoning. If so, you have to find a professional to check and solve it;