The CPU has always been about 3600 rpm before, and it is only about 700 rpm when turned on after shu

Your CPU fan is intelligently and automatically adjusts the speed, if you don't believe it, you can disassemble your case, generally the fan with a fixed speed has only two wires, yours should have 4, in addition to the two power cables, there is also a temperature sensor line, this temperature sensor samples the temperature of your CPU in real time, if the temperature is high, the fan will accelerate.

So as soon as you turn on the 700 rpm, it's because the CPU temperature hasn't come up yet, and it will naturally accelerate when it's hot after a while. It's almost the end of the 3600 or so, and if you run other programs, if the CPU continues to heat up, it will automatically power off to protect your computer.

There are 2 possibilities if the fans and chassis are clean:

1: The thermally conductive silicone between your computer's CPU and the CPU fan has dried and failed, you can take it apart and buy some silicone to coat it yourself, about 10 yuan.

2 Or you can repair the computer in the anti-computer area, and ask him to give you some silicone, which is about a dozen yuan.

There is no reason, the CPU cooler is too bad, the CPU temperature is too high, the motherboard overtemperature protection is over, it will automatically shut down, and replace the CPU cooler better!

For example, heat pipes dissipate heat, which is not comparable to aluminum heat sinks. Pay attention to the width of your case and the direction of installation when installing it, and point a little new silicone grease in the middle of the CPU.

Check your BIOS. Is there a set temperature and speed inside?

If the fan stops when it turns down, then the computer shouldn't be able to turn on, right? If it can be turned on, it is estimated that the fan is broken.

If he can't turn it on, just check to see if there is a capacitor on the motherboard.

It is also possible that the capacitor of the power supply has burst. Try changing the power supply.

The fan is broken, so let's change the speed.

Don't you burn.

Short circuit! Look what's wrong with that hardware! It should be the hardware that is broken!

There is something wrong with the hardware, it may be that the fan is broken.

No, it's because you ran some software and then didn't turn it off properly. Some software runs automatically in the background. You can optimize it with 360. Optimize startup items, service items, etc.

Oh, isn't your fan from turning on to turning off If not, look at whether the fan wiring plug-in seat is loose, or see if the fan is broken, Some use energy-saving technology, which will stop or reduce the speed of the fan during the idle period. Achieve energy saving! Generally, if you keep turning on the phone and playing in the hole, the fan does not rotate, and it is basically broken!

Hope is the only way to accept.

There may be problems in 2 areas.

1 Motherboard issues. This phenomenon of yours often appears on the Internet motherboard. After the computer is used for a period of time, there are some problems with the motherboard, and the detection of the motherboard is stricter when the motherboard is turned on, and the situation you said often occurs.

2 Power supply problems, you said that the three good talk before the time to open may also be caused by unstable power supply and insufficient power supply.

The problem of the motherboard jumper should be repaired.

Find power and voltage problems!

Different motherboards and different brands of computer CPUs have different heat dissipation and working temperatures, which doesn't say anything. Turning off and starting again can help you close processes that you have started and have not completely exited (such as usee backend, QQ download backend, etc.). However, remind the downstairs owner, the problem of CPU overheating should still be paid attention to, if it is a notebook to be maintained regularly, send it to the manufacturer to disassemble it to remove dust (this is the main reason for CPU overheating), and regularly disinfect yourself, try not to be dangerous**.

If it is a desktop computer, you can also disassemble the case by yourself without unplugging all the power supplies, and use some high-power fans to blow off the inside of the case to blow off the dust! If the CPU is not very high-end, try not to play some games with high requirements.

Because the load of the CPU is released after the restart, so that the temperature drops.

Khan This fan of yours may be adjustable speed! But what you said about this situation, I think, there's something wrong with your machine, it's a serious problem, you go to the person who bought the computer and ask it.

If you're not running anything. Of course, the temperature is maintained at a standby temperature.

Even if you run some CPU-occupying programs. When you're not running. The temperature of the CPU will also drop back to the standby temperature.

What a phenomenon. Constant temperature...

I can't ask for it yet...

If it's a temperature fake...

Then you change to an assessment software... z** is good.