As soon as the computer is turned on, it makes a buzzing sound. At first, I didn't care. I thought it was normal to start the sound, but I found that it couldn't start, and even the sound was getting louder and louder. I was worried about whether it would explode. How to solve it? The following is the solution that I sorted out for you. I hope it can help you!
The solution of computer host buzzing and unable to start
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
First listen to the sound made by the hardware with your ears, and then try which parts overheat with your hands.
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 none of the components are overheated, go to the chassis by hand to see which components have strong vibration, such as power supply and hard disk
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;
Related reading:
Solution 1 to the problem that the monitor does not light up until it is turned on for a long time:
The display is on for a long time after startup, which proves that the hardware of the display is faulty. Check its circuits and components specifically:
1) check whether the filter capacitor at the output end of the power supply is damaged. If it is bulging, replace the capacitor.
2) use a multimeter to measure the 12V ground resistance on the display motherboard and confirm its value.
3) check whether the filter capacitor at the 12V output end is bulging or burst. If not, disconnect the 12V power supply of the high-voltage board and measure it again. If the resistance to ground is still 0, replace the 12V output filter capacitor. If it is normal, check the high-voltage strip to see where the short circuit is caused.
Second:
1. Your graphics card driver may be broken. Update the graphics card driver
2 pull out the memory, wipe it with a rubber, and then press it.
3 reinstall the system. (I met this once, and it's OK after reinstallation)
If you can't do it, find the after-sales service
Solution 2 to the problem that the monitor does not light up until it is turned on for a long time:
This is caused by the leakage of the imaging tube socket. The tube socket must be replaced. After removing the back cover, you can see a small circuit board at the end of the display tube, and the tube base is welded on the circuit board. Carefully pull out the circuit board, then solder the socket, buy the same socket from the electronics store, and then solder the socket back to the circuit board.
At this time, do not rush to install the circuit board back. First find a small piece of sandpaper and carefully wipe the protruding pin at the end of the display tube with sandpaper. In particular, pay attention to the oxide layer on the pin. If it is not cleaned, it will soon relapse. Put the circuit board back and it's done.