My computer shut down for no reason and turned off the power directly, what s the problem

My computer is also like this, reinstallation doesn't work, antivirus doesn't work, and finally figured it out, the voltage is too low, when the voltage is lower than 220, the computer will automatically shut down, and the general hot voltage will be low, at this time try not to open the computer, easy to burn out.

How long has your computer been useful?

If it's too long, you'll have to change it.

Of course, it could also be that your computer's power supply is not working.

You find a new power supply and try it.

Also look at the cup fan to see if it is rotating.

The difference in Internet access time before and after installing the network: large, indicating the temperature.

It's not big, it means that the system is infected with a virus.

Cleaning and maintenance are recommended.

See if you set up software such as Wid Optimizer One item is to shut down or restart by yourself when you encounter an error, I have encountered a similar problem, it turns out to be like this!

It's possible that it's a virus.

It's also possible that there is a problem with the program, and I have had similar problems with the computer I bought. After powering off, it will automatically turn on when you touch any key of the keyboard. I asked a lot of friends, and they said that they had never encountered this situation. Later, I got to the place where I assembled the computer. It was only after a re-examination that the problem was discovered.

It's OK to check it out.

Check for viruses or the temperature in the case is too high or the memory slot is dirty!

Problems with network cards, mismatch.

The solution to the automatic shutdown of the computer while it is running:

After automatic shutdown.

If it can be turned on normally, then this situation belongs to the self-protection function of the system.

Because there is an automatic power-off protection function in the motherboard BIOS settings, that is, when the computer is overloaded or encounters other situations that damage the CPU or system, this information will be fed back to the motherboard chip in time and react, because the BIOS is set up with this protection function, so in order to protect the CPU from damage, the system will automatically power off.

Your computer should be cleaned of dust or the fan is not running well, which usually occurs when the CPU is overheated or the CPU is overloaded due to the computer running for a long time. Excessive dust and improper fan operation will lead to poor heat dissipation and overheating of the CPU, which will trigger the automatic power-off protection function. If that's the case, just fix the heat dissipation problem!

1.Take out the battery of the motherboard, buckle it back, and discharge it. Purpose: To restore the default values of the BIOS settings and eliminate the automatic reboot or shutdown of the BIOS cooling presets.

2.Sweep the dust inside the chassis to eliminate short circuits or poor heat dissipation caused by excessive dust.

3.See if the CPU thermal grease is dry, silicone grease is used to improve heat dissipation capacity, if there is no silicone grease, the heat may not be dissipated, and the machine will automatically shut down. Note:

If there is too much thermal grease and it is too thick, it will form a film in the middle of the contact surface, which will hinder the direct contact of the metal, which is worse than not applying thermal grease.

4.Think about it, is the fan size or fan power enough for a high-end computer? First consider the size of the fan (the bigger the better), then the power (the bigger the better), and the manufacturer.

5.Other objective reasons, such as high indoor temperature, running large programs (games) for a long time when booting up, poor heat dissipation of the case, poisoning, CPU usage often 100, etc. You can install Windows Optimizer, in addition to the software can comprehensively clean and optimize the system, it can also detect all hardware and software information of the system, you can detect it at any time, and compare it with the previous information, from which you can find problems.

There are several possible causes of a sudden power outage shutdown, it may be that your console configuration is too low, you are playing games or opening too many web add-ons, beyond the tolerance of the hardware, the computer will suddenly want to shut down like a power failure.

Or you are playing a game or running some professional software, the CPU and memory are too high, causing the hardware temperature to rise too quickly and also lead to sudden shutdown.

In addition, if the machine is not cleaned for a long time, it will lead to serious dust accumulation, bad fan heating, and sudden shutdown.

There should be three reasons for this problem:1It may be a power supply problem, the voltage is not enough, change to a high voltage!

2.It may be the static electricity phenomenon of the motherboard, take out the battery on the motherboard and discharge it for 15 minutes, and then install it and try it! 3.

In addition, if it doesn't work, check the hard disk cable interface! 4.It's not just the system!

Reinstall the system @@@