System inactivity loads the processor. Why does the idle process load the processor and what to do in this case? Hide high CPU usage

Svchost.exe is the generic name for processor hosts that are dynamically launched from plug-in libraries. Many users are faced with the fact that this process loads the system by 50, and sometimes even by 100 percent! Of course, someone will say that the problem is a malicious file that is located on your computer, but in reality this is not always the case. In addition, the Windows operating system often throws up problems literally out of nowhere...

Solutions

• There are several ways. The first one you should use is to check the system for the presence malicious files, because if the problem really lies in the virus, then after it is removed you may not read our article. Oh, by the way, don't forget to check the process through the task manager (CTRL + ALT + DEL). If it is run as a user and not as SYSTEM, then it is 99% a virus.

• Try simply restarting your computer. This could be a glitch in your OS.

• Launch Task Manager. In front of you you will see a whole tree of processes from svchost.exe. Hover your mouse arrow over one of them, click on the left button and select “Go to services”. Now you will see a large number of services that use this process. It remains to find among them exactly the service that loads . How to do this? It is necessary to disable each service and look at the result. However, we would not advise you to do this on your own; it is better to enlist the help of a friend or colleague who knows exactly how services can be suspended and which ones should not be suspended (this may affect the performance of your PC). To do this, you can use the svchost process analyzer, which is distributed free of charge. After the service is found, it must be disabled through “Computer Management” so that it does not load after a reboot. And one more thing - this method is only suitable for Windows 7, although some users claim that it works similarly for Vista and XP.

• Alternatively, some users suggest rolling back the system to a few days ago, when there were no problems. The method is very controversial, although we do not exclude the possibility that it can help.

• In the vastness of the RuNet, we managed to find another interesting method, but you can use it only at your own peril and risk! Find the Prefetch folder (located in the *:\WINDOWS\ section) and delete it. Then find the Tasks folder (*:\WINDOWS\system32\), open it and delete all files from it. Now launch the task manager, delete the entire svchost.exe task tree, and then restart the computer.

You can tell us your decisions and opinions through the comment block.

Good day!

I think almost every user, with at least a little experience, has encountered a similar problem: you work and work on a computer, and then you begin to notice that it somehow reacts slowly to pressing the mouse or keyboard buttons, it slows down...

Very often the reason slow work and brakes - is the processor load, sometimes it reaches 100%!

Solving this problem is not always easy, especially since the CPU can be loaded for no apparent reason (i.e., you may not have run any resource-intensive programs: games, video editors, etc.).

In this article, I will look at the sequence of actions that can be taken to remove CPU load and return the computer to normal performance.

The first thing to try is to identify the process or program that is using the CPU. As happens in most cases: some program (or game) was launched, then the user exited it, but the process with the game remained, which loads the processor...

What process or program is the processor loaded

Most quick way to determine which program is consuming the CPU is to call task manager(buttons: Ctrl+Shift+Esc ).

In Task Manager, open the Processes tab and sort applications by CPU load. The screenshot below shows that the lion's share of the CPU (~84%) is consumed by Firefox browser(although I don’t even have it running...). If you have such a “hidden” program, then you can close it right away from the task manager (just right-click on it...).

Note

Windows has its own resource monitoring, which can also be used to view CPU, memory, disk and network load. To call it, press the buttons Win+R, then enter into the line "Open" team resmon and press Enter .

Important!

In some cases, the task manager does not allow you to calculate the reason for the processor load. By the way, the processor may not be loaded at 100%, but, say, at 20-50%...

If the task manager does not give you any food for thought, I recommend using one utility - Process Explorer(by the way, located on the Microsoft website...).

Process Explorer (search for the "invisible" cause of the brakes)

An excellent program that has helped me out more than once! Her main area of ​​work is to show you ALL the processes and programs running on the computer (probably no one will escape her...). This way, you can determine for sure which process is consuming the CPU.

The screenshot below is very indicative:

• System idle process- this is an indicator in % of system inactivity. Those. in the first half of the screen below - the processor is almost 95% idle (this is exactly how it should be if a couple of programs are open on it: a browser, a player);
• and on the second part of the screen System idle process is 65%, but hardware interrupts and DPCs as much as 20% (and sometimes reaching 70-80%! This shouldn't happen. In general, interrupts (these are system interrupts) during normal operation rarely go beyond a few percent! This is the reason why your computer slows down and loads!
• By the way, very often the system is loaded by the svchosts.exe process. Actually, this system process, but there are a number of viruses that masquerade as it and pretend to be it. Below we will consider the question of how to catch them...

Process Explorer: in the first part of the screenshot - everything is fine, in the second - the processor is ~20% loaded with system interrupts (hardware interrupts and DPCs).

If the CPU loads interrupts...

If the problem is related hardware interrupts and DPCs- then most likely the problems are related to the drivers. More precisely, with their conflict with each other, and even more likely, incompatibility with your Windows OS. Moreover, even if the driver description says your Windows version- this is not a 100% guarantee of compatibility.

Pay special attention to the drivers: video cards, chipset mat. boards, network card, Wi-Fi, sound card. I recommend downloading several versions of them at once and trying them one by one.

Less commonly, the problem is associated with viruses, and even less often with peripheral equipment: printer, scanner, network cards etc.

Checking and updating drivers

Sometimes choosing the right drivers for a computer/laptop is not as easy as it seems at first glance... In general, usually new version The driver works better than the old one (but sometimes it’s exactly the opposite). If your CPU usage is related to hardware interrupts and DPCs- I recommend:

1. try installing drivers from the official website of your equipment manufacturer. Usually, this requires identifying the manufacturer - for this you can use a special one. utilities for determining PC characteristics -;
2. If you didn’t find the site or couldn’t identify the manufacturer, you can try using some special one. driver update utility:
3. If during installation you have problems removing the old driver from the system, I recommend this instruction:

To find out if you have devices on your system for which there are no drivers, open device Manager . To do this, call the "Run" menu - buttons Win+R, enter devmgmt.msc(example in the screenshot below).

Virus scan

Viruses can be the cause of anything... Usually, when the processor is loaded due to viruses, you can find some process that is loading the system. Most often, this process is systemic: for example, viruses disguise themselves as a process svchost.exe- even an experienced user cannot immediately find and identify a virus among real processes (but this file will be discussed below)...

1. In Windows Xp, 7 - you can press the F8 key several times during boot - a “black” window should appear with a choice of boot options;
2. in Windows 8, 10 - click Win+R, enter the command msconfig. Further in the section select Windows OS and check the box next to the item "Safe Mode" . Save the settings and restart your PC (screenshot below).

And it is advisable to run a virus scan from safe mode. To do this, it is not necessary to have an antivirus installed on your computer - there are special utilities that do not need to be installed.

Peripherals

If the problem has not yet been found, I recommend trying to disconnect everything unnecessary from the laptop (computer): printer, scanner, mouse, etc.

I will also once again draw attention to device manager (more precisely on the drivers). Perhaps drivers for some peripheral equipment are not installed in the system and the exclamation mark is on...

Pay special attention to old devices that may work in the new Windows OS, but you installed drivers for them “forcibly” (for example, Windows could warn that there is no signature, and you continued the installation)...

In general, it is quite difficult to find the true culprit in this case. If in safe mode the processor is not loaded - I recommend trying to remove drivers for peripheral equipment one by one and see how the load behaves.

How to remove old or unnecessary “firewood” -

Svchost.exe is loading the processor - what is it?

The file loads the processor very often svchost.exe- at least that's what he says task manager. The point is that this is the main process for loading services - i.e. roughly speaking, a necessary system process that cannot be avoided...

There are two possible cases here:

• Viruses are often disguised as this process, and it is difficult to distinguish real svchost from masquerading - even experienced users are not always able to do so;
• real svchost may load the system in certain cases.

How to determine which svchost.exe file is system and which is not?

When you launch it, you need to go to the menu Service/Process Manager (see screenshot below). Next you will see ALL processes in the system - they need to be sorted by name (this is more convenient, it seems to me).

The point is: all system processes that AVZ knows about are marked green color. Those. if you have on the list svchost black colors - look at them very carefully, they are most likely viral.

By the way, with the help of this AVZ you can analyze all other suspicious processes.

Disabling automatic Windows updates

Quite often svchost loads the processor due to automatic Windows updates being enabled. I suggest turning it off (there’s nothing wrong with that - you’ll just manually check for updates a couple of times a month - click the mouse 1-2 times...).

First you need to open the tab services. The fastest way to do this is to press the button WIN+R, enter services.msc and press Enter(as in the screenshot below).

1. startup type set "Disabled";
2. and click the "Stop" button.

Save the settings and restart your computer.

Is there overheating? Checking the CPU temperature!

A possible reason for the processor loading may be overheating. Moreover, if everything was fine with you before, this does not mean at all that now it cannot start to overheat.

Most often, the cause of overheating is:

• dust(especially if the system unit has not been cleaned from it for a long time). Dust forgets the ventilation holes, air begins to circulate poorly in the device case - and the hot air from the processor remains in place, and the temperature begins to rise. The easiest way to get rid of dust is to open the lid system unit and blow out the dust using a vacuum cleaner, turning on the reverse mode. With laptops everything is more complicated - if you have never taken it apart before, I recommend giving it to specialists...
• high room temperature . This usually happens in hot weather in the summer, when the temperature outside the window can rise significantly. In this case, you can open the side cover of the system unit and direct a regular fan towards it. There are special cooling pads for sale for laptops.
• broken cooler (or it could also become clogged with dust). The advice here is simple - replace it or clean it.

Signs that may indicate overheating:

To find out the processor temperature- I recommend using some utility to determine the characteristics of your PC. For example, I like Speccy and Aida 64. You can see a screenshot of the processor temperature from Speccy below (t=49 °C, degrees Celsius).

Utilities for viewing computer characteristics -

What should the processor temperature be?

A very popular question that cannot be answered definitively. The fact is that different manufacturers have different critical temperatures.

For personal computer

In general, the ideal option is to look at the model of your processor and open the manufacturer’s website: critical temperatures are always indicated on it.

Generally speaking, if the temperature of your processor is up to 40 °C (degrees Celsius), then everything is fine with it, the cooling system can handle it. Temperatures above 50 °C may indicate problems with the cooling system (or a large amount of dust). Anything above 60 degrees must be carefully examined and action taken: clean it from dust, install additional coolers (or replace the old one).

For laptop

As for laptops, the bar is somewhat different. Since space in a laptop is limited, the processors here heat up higher. For example, it is not uncommon for many processors to have an operating temperature under load of about 70 °C. When idle, this level is usually about 40-50 °C. In general, you start to worry (for most modern laptops) if the processor temperature rises above 75-80 °C (at least check if this is normal for your device.

Most often, such a high temperature is reached when running editors, games, and other heavy applications.

By the way, many experienced users (and some specialists) echo the critical temperature of 105 °C for modern laptops. I will say this, the laptop can and will work at 90-95 °C, and even, possibly, at 100 °C - but the main question is: how much? In general, the question is debatable for many...

PS

Last tip. Sometimes finding and eliminating the causes of high processor load and computer brakes is quite a tedious and not easy task. In such cases, I recommend trying some with different OSes, or replacing your Windows 7, say, with a more new Windows 8/10 - the problem can be solved with just a 10-minute reinstallation of the OS...

Well, that's all for me. Good luck!

The Windows operating system performs a large number of background tasks that can negatively impact performance low-power computers. One of the processes that loads RAM, disk or CPU, is System.exe. In the “Task Manager” you can see that the System file loads Windows, and if more precisely, it loads the computer’s hardware. Decide this problem the computer owner can do it on his own if he follows a number of simple steps.

Table of contents:

The System process loads the hard drive and memory to 100%

System is an operating system process Windows systems, which is not a virus, contrary to popular belief. It is responsible for running applications in the “background” mode, that is, without active control by the user. This process is not hidden, and can be easily found in the Task Manager.

The main problem with the System.exe process is that it cannot be stopped. Thus, if System loads RAM or hard drive computer, turn off simple methods it won't succeed. Lowering process priority using standard Windows tools also does not lead to success.

The System process is notable for the fact that it takes up RAM little by little and eventually loads it completely. At the same time, in the “Task Manager” it may be noted that System loads no more than 200-400 MB of RAM, but it will be completely filled, and the computer will begin to freeze severely when performing any tasks. Similarly, the System process can load the hard drive.

To prevent the System file from loading your computer, using up excessive resources, you should disable some “background” tasks in the Windows operating system:

If any computer owner can turn off and remove DrWeb without any further prompts, the other two tasks are more difficult to cope with, and we will tell you about them in a little more detail.

How to disable Windows 10 automatic updates and system services

Microsoft in the Windows 10 operating system and earlier versions has provided the ability to automatically update software. Unfortunately, this function on some computers causes when checking for available updates on Microsoft services, the System file loads the RAM or hard drive. In this case, the only solution is to disable automatic Windows 10 updates. Attention: If you have disabled automatic update Windows 10, we recommend that you check for new builds yourself every few months (or weeks) operating system.

Disabling automatic updates in Windows 10 is quite simple; to do this you need to:

By following the above instructions, the operating system will disable the service that automatically checks, in the background, whether the version of Windows running on the computer is up to date.

In addition to automatically updating Windows 10, so that the System process does not load the system, you need to disable some services. In the “Services” menu, which is opened with the command services.msc, you also need to stop and then disable the following local services:

Please note: depending on the version of the Windows operating system, as well as the number installed drivers and codecs, some services listed above may not be available.

After disabling DrWeb antivirus, automatic Windows 10 updates and some services, you should restart your computer. By disabling a number of tasks that took up a lot of computer resources, system performance should generally increase, and the problem with loading in the “Task Manager” will disappear hard drive and RAM.

Video instructions

When the system process loads the processor, it causes a lot of problems for the owner of a PC or laptop running Windows OS.

This most often results in non-critical crashes such as freezing, slow loading, and poor performance.

At the same time, the greatest difficulty for the user may be that a PC that was working properly yesterday suddenly refuses to work properly today.

What's going on and how to find out

It is not difficult to make sure that it is the system process that is loading the processor. But this task can be completed by a user with knowledge that slightly exceeds the basic ones.

In order to check the processor load, you will need to launch Task Manager.

There are several ways to launch it, but the easiest one is to left-click on the taskbar to bring up the menu.

The taskbar is a rectangular area, traditionally [by default] located at the bottom of the screen

In the menu that appears, you will need to select the line Task Manager, after which a small window will appear in which a list of running processes will be displayed on one of the tabs.

rice. 1 – appearance task manager in Windows 7

Its appearance may differ significantly depending on the version of the operating system, for example, but the essence remains the same.

The higher the number in the CPU column, the more the process will load the hardware, which will ultimately impact performance.

In critical situations, this figure reaches 100% and it becomes impossible to fully work on a PC.

There may be several reasons for such unusual activity of processes hidden from the user, and they can all be solved in different ways.

Automatic system update

A common cause of excessive System process activity is automatic system updates, including downloading new drivers. This function, although useful, is not always convenient.

How to clean your computer so it doesn't slow down? Options with free programs and manually

Technical problems

Hardware problems that affect user interaction with the system are also a common occurrence that users encounter. There may be several reasons for this:

• Lack of appropriate drivers.
• Incorrect operation drivers.
• Incompatibility of hardware and operating system.
• Late physical maintenance.

Each of these reasons requires more detailed consideration, since the way to solve them is not always the same.

In the first case, the System process may become excessively active when the user accesses a device that was physically connected to the PC, but its operation was not configured accordingly.

Most often this happens with new components for which the manufacturer did not provide a driver disk in the packaging. In this case, you will need to install it manually.

If you have an Internet connection, this is easy to do.

The user must have administrative rights to make these changes, so if account has restrictions, it will need to be changed to Administrator.

After this, you need to use the Start menu, from which you want to launch Control Panel. You need to launch the section from it device Manager.

In the manager dialog, a device without drivers will have a [?] sign.

For it, you will need to right-click the Properties line and in the dialog that opens, on the Driver tab, use the buttons to install.

Tip: if you have problems with the wizard, download drivers manually from official sites

rice. 4 – Control Panel in Windows 7

Incorrect driver operation

In the second case, when the driver is installed, the same problems may occur only because the device driver version does not match.

In this case, you will have to update it using the Device Manager mentioned above.

To do this, you will need to select the problematic component in the Manager window and, using the right mouse button, run the command Update driver.

This operation, as in the previous option, will launch the setup wizard.

In the third case, processor overload will be due to incompatibility between software and hardware.

This situation may be caused by installing new, untested hardware or installing an operating system update.

In this case, correct operation of the equipment with the previous version of the software will be less problematic.

Accordingly, you will have to take radical measures - either return, change or remove the modules that cause the error, for example, a network or video card, which is most often the case.

But such problems can also occur when the above-mentioned hardware components are simply not properly maintained.

A temporary solution to the problem in this case is to turn off the power to the PC.

It allows you to remove static voltage from the device, but after a short period of use the problem returns.

In this case, basic cleaning of dust from the internal components will help.

rice. 5 – Device Manager window in Windows 7