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The CPU is the core accessory of the computer, and it is also one of the hardware that generates the most heat among the computer accessories. The heat dissipation intensity of the CPU fan is often related to the temperature of the CPU. In fact, there is no fixed answer to the CPU speed, because the motherboard chipset generally has a fixed function of adjusting the CPU speed, when the processor runs more tasks and the heat increases, the motherboard chipset will control the CPU fan to increase the number of revolutions accordingly to meet the heat dissipation needs.
Generally speaking, the number of CPU fan revolutions is around 2000-2500 rpm when the computer starts running. This data is not absolute and is also affected by the indoor temperature. In winter, it is lower, if you play games or run programs, the CPU chip temperature reaches more than 60 degrees, and the fan will reach more than 5000 revolutions or even higher!
If the fan is good, the heat dissipation effect is good, and the speed is lower! There are more than 2,000 to 3,000 CPU fans, and generally speaking, it may be around 2900 rpm. Generally speaking, the temperature of the CPU should not exceed 65 degrees, and below 65 degrees (room temperature 35 degrees) is normal.
If the CPU temperature is more than 70 degrees, then long-term use may cause harm to the CPU; If the temperature reaches 80 degrees, then the CPU is very dangerous, so you should use good cooling equipment as much as possible.
There is no definite standard for CPU fan speed, but there is a rule that fan noise cannot exceed 50dB. So generally speaking, it is enough to keep the fan speed below 4000 rpm for cm diameter. Of course, if the fan speed is faster, the better the heat dissipation, but the noise is also the largest, so we must not only ensure that the CPU dissipates heat well, but also reduce the noise, at this time we need to buy a better radiator, generally 9cm The copper-aluminum combined radiator of the fan is about 50-60 yuan.
This is Intel's CPU standard, what to do if the CPU temperature is high.
Temperature and voltage issues.
The temperature increase is due to the fact that the heat generated by the u is greater than the heat dissipated by the radiator, and once the heat generation and heat dissipation tend to be balanced, the temperature will no longer rise. The heat generation is determined by the power of the U, and the power is proportional to the voltage, so to control the temperature well, you need to control the core voltage of the CPU. But it's easy to say,If the voltage is too low, it will cause instability,This contradiction is especially obvious when the overclocking amplitude is large,Many times the CPU temperature has not reached a critical value at all, and the blue screen of the system is restarted,At this time, the culprit affecting the stability of the system is not the temperature but the voltage。
So how to set the voltage is very important when overclocking at the limit, set it high, the heatsink can't stand, set it low, the CPU can't stand it, it's easy to blue screen of death, etc.
The temperature measurement methods of various motherboards are different, and even the motherboards of the same brand and model will also cause a large difference in temperature due to the difference in the distance between the temperature probe and the CPU. Therefore, it is unscientific to say how much temperature is safe. The main computer is stable, and the temperature is not too high, so you don't have to worry too much.
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Is it a fan for cooling? AC single-phase four-stage logarithmic induction motor 1440 rpm. The computer cooling fan is more than 2000-3000 rpm.
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The synchronous speed is 1500 rpm, and the actual value will be less than this value, which is about 1400 minutes.
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There is a problem, there is a process that occupies your resources, it may be a virus, kill the virus first, and then use the 360 security guard to optimize the boot startup item, it's almost the same!
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Seeing that the temperature of your CPU is too high, but your fan speed is normal, it is estimated that your radiator has a problem or the silicone is dry, and the heat dissipation is not good.
I used the X3 445 to open the quad-core myself, the fan speed was 900 minutes, and the temperature was only about 35 degrees.
I suggest you pay attention to your radiator, I have encountered fans that will not blow out after a long time, and there are also radiators that do not dissipate heat well.
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First of all, the computer is relatively old and runs slower, but the CPU usage will not reach 100%, so the inference is as follows:
1.Too many programs are running.
2.The backgrounder is not closed.
3.The computer is poisoned, and the virus takes up the CPU, causing the computer to be very slow.
Secondly, considering the CPU heat dissipation, the above parameters, obviously the CPU temperature is too high, the following solutions:
1.Clean up the dust and add silicone grease to the connection between the fan and the CPU to make the heat dissipation better.
2.Replace the CPU fan.
Finally, the intrinsic usage rate is high, and the highest is likely to be a medium virus.
It is recommended to clean the CPU fan dust before killing the virus or reinstalling the system.
Hope it helps.
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1500--2500 is normal, it depends on the actual situation.
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It is normal for the fan to not score 1850 rpm
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Is the speed of the computer more than 800 normal?
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Ordinary table fan: 500 to 1500 rpm
Electric fans use electric motors to drive the fan blades to rotate to achieve household appliances that accelerate air circulation, mainly used for cooling and relieving heat and circulating air. It is widely used in homes, classrooms, offices, shops, hospitals and hotels.
The fan is mainly composed of a fan head, a fan blade, a net cover and a control device, and the fan head includes an electric motor, a front and rear end cover, and a moving head air supply mechanism. Its working principle is that the energized coil rotates under force in a magnetic field.
Electrical energy is converted into mechanical energy, and at the same time, due to the resistance of the coil, it is inevitable that some of the electrical energy will be converted into thermal energy.
Power Saving Law:
When purchasing, you should choose products with excellent quality. Due to the low technical threshold of the fan industry and the uneven products on the market, it is necessary to choose products from well-known brands, so as to ensure the quality.
Since the electric fan can directly convert the electrical energy into kinetic energy, the power consumption is very low, the maximum power is only 60W, which is equivalent to the electricity consumed by the table lamp of ordinary lighting, so from the perspective of energy conservation, the use of electric fans in the middle of summer is undoubtedly the best choice.
In terms of the use of the fan itself, the electric power of the fan with large blades is large, and the power consumption of the electric fan is directly proportional to the speed of the fan blades.
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You're asking this question too generally. The speed of each model of fan is different, and the speed of the fan depends on the voltage and current of the fan. Generally, the fan speed ranges from 2000 to 5000 minutes, and the intelligent control can control the fan speed according to the temperature of the chip.
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The general speed of table fan and floor fan is low gear = 850 rpm, mid gear = 1000z rpm, high grade = 1150 rpm, too high speed has an impact on the life of the motor.
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The one I just tested was also 2800-3400 rpm.
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Generally, when the computer host is working, the rotation rate of the CPU fan is about 2000-3000 rpm.
In winter, it may be lower, if you are playing games or running a certain software, then if the CPU temperature reaches more than 60 degrees, the CPU fan will reach more than 5000 revolutions, or it may be higher. If your fan cools heat better and spins at a lower speed, the optimal temperature of a normal CPU does not exceed 65 degrees, and below 65 degrees (room temperature 35 degrees) is normal.
If your CPU temperature exceeds 70 degrees, then the CPU may have caused damage; If the temperature reaches 80 degrees, I recommend that you switch to a better CPU fan (such as a copper cooling system).
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<> how normal is the speed of the computer fan: when the computer host is working, the speed of the CPU fan is about 2000-3000 rpm. In winter, it may be lower, if you are playing games or running a certain software, then the CPU temperature reaches more than 60 degrees, and the CPU fan will reach more than 5000 revolutions, which may be higher.
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