As the core component of the computer system, the CPU occupies an important position in the computer system and affects the operating speed of the computer system. The types of CPU faults can be roughly divided into CPU cooling faults, CPU fan installation faults, improper CPU settings, and CPU physical damage faults. The following is a detailed introduction to these types of faults, so that they can be dealt with in time after a fault occurs.
CPU cooling failure
Its main manifestations are black screen, restart or crash, and even burn the CPU in serious cases. This kind of failure is mainly due to the fact that the CPU will generate a lot of heat during work, which will cause the temperature of the CPU itself to rise. If there is no good heat dissipation device at this time Or the cooling fan is not working properly, which may cause the CPU to work unstable and easily damage the CPU.
CPU fan installation failure
There are two main types of CPU fans: ordinary fans and turbo fans. Some CPU fans are unreasonably designed. It takes a lot of force to tighten the fan buckle. If the operation is not done properly, it is easy to crush the core of the CPU, resulting in damage to the CPU. Such CPU failures cannot be repaired and can only be replaced with new ones. the CPU. In addition, poor removal of the CPU and the slot can also cause the failure of the computer to start, so the user must be careful when installing the CPU fan.
Improper CPU settings
This mainly refers to the fact that the user does not correctly set the voltage or frequency of the CPU, which causes the CPU to malfunction. This type of failure usually manifests as incorrect CPU brand and model voltage settings, resulting in high or low CPU voltage, which greatly affects the stability and service life of the CPU.
CPU physical damage failure
CPU physical damage failures generally refer to failures caused by external factors, such as oxidation, dust accumulation, corrosion, and broken pins. For example, the toughness of the CPU pins is very strong and it is not easy to fall off. Inserting it forcibly through the jack on the socket will easily cause the CPU pins to bend or be damaged, and if you are not careful when disassembling the CPU, the pins will also fall off, thus damaging the CPU.
Motherboard does not recognize CPU fan
I removed the CPU fan and oiled it, and when I put it back in, it prompts "CPU Fan Error" and I need to press the F1 key to enter the system, but the CPU fan is running normally and there is no problem. One of the power cables of the CPU fan is used to detect information about the CPU fan. If the CPU fan is not plugged in properly, and the motherboard does not detect the correct CPU fan information when starting up, it will prompt "CPU Fan Error". In addition, the power plug of the north bridge chip fan of many mainboards is the same as the power plug of the CPU fan. If the user's CPU fan power is plugged into the wrong place, it will also cause the above problems. To the corresponding location (generally called CPU_FAN or C_FAN, near the CPU socket), the above problems can be solved.
Cannot display CPU fan speed
READ TIME found that the CPU fan was very noisy, so I replaced it with a loose CPU fan and checked the BIOS information, and found that the system could not detect the speed of the CPU fan. The power cord of the boxed CPU fan is three wires. In addition to transmitting power, it can also transmit the speed of the CPU fan to the motherboard through the sensor, so the motherboard can display the speed of the CPU fan. However, the power cords of some bulk fans on the market are Two wires, some even have three wires but do not have a sensing function, so the motherboard BIOS cannot display the fan speed. To solve this problem, you need to replace a CPU fan with a sensor.
The CPU frequency display is not fixed
When I started the computer, I found that the CPU frequency displayed at each startup was not fixed, and it was high and low. This kind of problem is usually caused by the aging or no power of the CMOS battery on the motherboard. Just replace the same type of battery and reset the parameters in the BIOS, and the CPU frequency display will return to normal. When taking out the CMOS battery, you only need to press the spring next to the battery, and the battery will pop out automatically.
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