How To Fix High Cpu Usage On Windows 10


If your computer fan often reaches its maximum speed, it shows that your CPU 100%. At the same time, your computer may be slower. This is annoying, especially if you don"t actually vị anything. Here are 8 solutions, click khổng lồ get more information.

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The CPU (central processing unit) is your computer’s brain, which is also known as the processor. If it is bombarded by too many processes, or if a task consumes too much attention, it will become overwhelming & the usage of it will become very high.

CPU 100%

If the CPU usage is about 100%, it means that your computer is trying khổng lồ perform more work than it can. Then, the speed of your computer will become slower. When computers perform computationally intensive tasks such as running games, they tend lớn use close to 100% of the CPU.

Why is CPU usage high? Here are 5 main reasons for this situation.

Reasons for High CPU Usage

1. Too Many Background Processes

A background process is a program that runs on a PC includes those not opened in the window. Since Windows itself needs some background processes khổng lồ run, many background processes will run on the computer at the same time. As you install the programs constantly, there will be more and more programs on your PC & it will cause high CPU usage.

2. Svchost.exe (netscvs) Process

When you open the Task Manager, you might have noticed that the svchost.exe (netscvs) process causes high memory or CPU usage. Sometimes this process is associated with malware, but it is a legal system-critical Windows process.

3. WMI Provider Host (WmiPrvSE.EXE)

The WMI Provider Host process is part of Windows, which helps organize monitor & troubleshoot large numbers of systems on the network. However, sometimes it will go out of control.

4. There Is an Annoying Antivirus or a Virus

On the one hand, an annoying antivirus will cause high CPU usage. On the other hand, a vi khuẩn also can cause high CPU usage.

5. System Idle Process

In fact, the system idle process is just a thread that consumes CPU cycles, and it will not be used. Thus, it’s a reason for high CPU usage.

Solutions to lớn Fix the High CPU Usage

In general, you can stay away from demanding applications khổng lồ avoid high CPU usage. But sometimes it will go out of control since there is a bug in the process like the notorious WmiPrvSE.exe. You don’t need to worry about that because then I will introduce 8 solutions to lớn help you lower the high CPU usage.

Solution 1: Restart the WMI Provider Host

If the CPU usage is very high, and you’re not running any program that would impact it, it’s not normal. You can open Task Manager to kiểm tra it.

Recently Microsoft has pulled its official fix, the only thing you can vày is lớn restart the service manually. Here is how to fix CPU 100%:

Step 1: search for Services and mở cửa it.

Step 2: In the window, find Application Management and right-click it. Then select Restart.


After you do this operation, the high CPU usage will become lower. If not, you can try the next solution.

Solution 2: Use the sự kiện Viewer to lớn Identify the Issues

If the issue with WmiPrvSE.exe still exists, you can identify its cause by using the Windows event Viewer. Maybe there is another system process that makes WMI provider host keep busy, resulting in high CPU usage. Here is how khổng lồ fix CPU 100%.

Step 1: Right-click the Start button và select Event Viewer to xuất hiện it.

Step 2: Choose Applications và Service Logs in the left và choose Microsoft. Then click Windows, WMI-Activity, and Operational successively to open them.

Step 3: Now you should find recent Error entries by scrolling through the danh mục of operational events. For each Error, identify the ClientProcessId.


Note: Every time you restart the process, the ClientProcessId will change, so checking for older errors makes no sense.

If you suspect that one of these processes is causing the high CPU usage, you can use its ID to lớn find it in the Task Manager và identify the faulty process khổng lồ fix the high CPU usage.

Solution 3: end the Processes that Cause High CPU Usage

When you notice that the PC is getting slower than usual and the CPU 100%, you can try the Task Manager lớn find which processes are causing high CPU usage. Here is how to fix the 100% CPU usage issue.

Step 1: search for Task Manager and open it.

Step 2: Click the CPU column header to lớn sort the processes by CPU usage and kiểm tra which processes cause your CPU becoming higher.

Step 3: Right-click the process that consumes lots of your CPU và then you should click over task to lớn finish this process.


Tip: You should Google the process name to check whether it is safe to kết thúc or not before you over the processes.

Now, see if the CPU usage is still at 100% after you bởi the above operations. If not, this issue has been resolved. If the issue persists, try the next solution.

Solution 4: Disable Third-Party Antivirus Software or Run an Antivirus Scan

Windows Defender is enough for you to use in your daily life. So please uninstall the third-party antivirus software if it does harm to lớn your CPU.


Additionally, the viruses on your PC can cause the 100% CPU usage issue. So you can try to lớn run an antivirus scan to check if there are viruses, spywares or Trojans on your computer. If you find viruses after scanning your PC, you need khổng lồ delete them immediately.

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If you don’t find viruses, you can try the next solution.

Solution 5: Reset Your power nguồn Plan

Power Options has a significant impact on your PC"s performance. If your computer is on power nguồn saver, especially you have changed its’ plan settings, it will cause your CPU becoming higher. The steps to lớn fix high CPU usage are as follows.

Step 1: Choose Hardware và Sound after you launch Control Panel, & click Power Options.

Step 2: Then choose Balanced if your computer is on Power saver.


Step 3: Then click Change plan settings that is next to the Balanced.

Step 4: Now, you just need to lớn click Restore defaults settings for this plan & click OK to make the changes.


Solution 6: Modify Settings in Registry Editor

This issue may be caused by Cortana in Windows 10. Thus, if you enabled Cortana, you may encounter the situation that CPU 100%. If you seldom use Cortana, try modifying settings in Registry Editor lớn see if you can fix this issue. Here is how to lower the high CPU usage:

Tip: Faulty modifying settings in Registry Editor could cause irretrievable errors khổng lồ your system. So please make sure that you have backed up your Registry first before you make any changes.

Step 1: Press the Windows logo key và the R key at the same time to open the Run dialog.

Step 2: Type regedit and then press Enter to open Registry Editor. You’ll be prompted for permission & please click Yes to mở cửa it.>

Step 3: Follow the path lớn locate the correct system files: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTokenBroker.


Step 4: Right-click the Start entry on the right side of the pane & select Modify…..

Step 5: Then change the Value data khổng lồ 4 & click OK to lớn save the change.

After the change, some features of your Cortana will be affected. If you often use it, this option might not be suitable for you.

Then you can kiểm tra if this annoying issue remains. If not, you have resolved this issue successfully. If this problem still remains, there is the last solution for you, you can try it.

Solution 7: Turn Windows Notification Settings Off

Windows notification settings on Windows 10 PCs may trigger CPU 100%. You can follow the steps below to modify the Windows notification settings khổng lồ fix the issue:

Step 1: You should click the Start button và click Settings to xuất hiện the Windows Setting.

Step 2: Then choose System và click Notifications và actions on the left side of the pane.

Step 3: At last, you just need lớn turn off the feature Get notifications from apps and other senders.


Solution 8: Reset Your Computer

If all of these solutions are not working, you can only reset your computer. But resetting your computer may cause your important files and data loss. Thus, you had better back up your important files in advance. Next I will introduce software for you lớn back up files.


Use ShadowMaker to Back Up Your Data

The không lấy phí backup software - ShadowMaker is an all-in-one data protection & disaster recovery solution for PCs. It allows you khổng lồ back up your systems, important files, folders, partitions, and even the whole disk. Once a disaster occurs, you are able to restore data with a copy of the backup. ShadowMaker also lets you create bootable truyền thông to restore your system to lớn a normal state when your computer fails khổng lồ boot. It’s easy to use truyền thông Builder and PXE Boot Tool to maintain hard drives. & it is compatible with Windows 7/8/8.1/10 and Windows Servers.

You can download ShadowMaker Trial to lớn back up files and keep them safe. It can be used for free within 30 days or you can choose khổng lồ purchase an advanced one.

Free Download

Here is how lớn back up files:

Step 1: Decide a Backup Mode

Launch ShadowMaker.Continue khổng lồ use the trial edition by pressing Keep Trial.Then choose the local computer lớn manage by clicking the Connect.


Step 2: Choose Backup Source

Go to the Backup page.Choose Folders & Files lớn continue & choose the files you want to lớn back up, then click OK.



Step 3: Choose a Destination Path to Store Your Files.

Go to lớn the following interface và choose one partition khổng lồ store your files based on your needs và click OK.


Step 4: Start to lớn Back Up

Go back to lớn the following interface & click Back up Now to start the process immediately or you can click Back up Later khổng lồ delay the process.


When the process is finished, you have successfully backed up files so as khổng lồ have provided protection for the data.

You will feel annoyed when you use the computer but find the CPU is running at 100%. This post provides 8 solutions for you. Tóm tắt it on Twitter to let more people know.Click khổng lồ tweet

Bottom Line

Although the exact reasons for high CPU usage are difficult to find, there are listing the most commons & the corresponding solutions. In addition, there is a backup software – ShadowMaker for you khổng lồ back up files. If you have any questions & suggestions, please liên hệ us via or leave a comment.



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Position: Columnist

She was graduated from the major in English. She has been the editor since she was graduated from university. She specializes in writing articles about backing up data và systems, cloning disks, and syncing files, etc. She is also good at writing articles about computer knowledge & computer issues. In daily life, she likes running và going lớn the amusement park with friends to play some exciting items.