Computer Hardware

How To Fix High CPU Usage Windows 10

High CPU usage on Windows 10 can be a frustrating experience, causing slow performance and system instability. But fear not, there are effective methods to address this issue. Let's dive into some practical solutions to fix high CPU usage and optimize your Windows 10 performance.

One of the key factors contributing to high CPU usage on Windows 10 is background processes and unnecessary programs running in the background. Over time, these processes can accumulate and consume a significant portion of your CPU's resources. By identifying and terminating these processes, you can free up valuable CPU power. Additionally, make sure your system is up to date with the latest Windows updates and device drivers, as these updates often include bug fixes and performance improvements that can help reduce CPU usage.



How To Fix High CPU Usage Windows 10

Understanding High CPU Usage in Windows 10

High CPU usage in Windows 10 can be frustrating as it slows down the performance of your computer and affects your overall productivity. CPU (Central Processing Unit) is responsible for executing instructions and processing data on your system. When the CPU usage is high, it means that your processor is working harder than usual, causing increased power consumption and system heat. High CPU usage can be caused by various factors such as background processes, malware infections, driver issues, or software conflicts.

In this article, we will explore effective methods to fix high CPU usage in Windows 10. Whether you are a computer expert or a novice user, these solutions will help you optimize your system's performance and reduce CPU usage. Let's dive in!

1. Identify Processes Causing High CPU Usage

The first step in fixing high CPU usage in Windows 10 is to identify the processes that are consuming the most CPU resources. To do this, you can use the Task Manager utility. Right-click on the taskbar and select "Task Manager" from the context menu. In the Task Manager window, go to the "Processes" tab and click on the "CPU" column to sort the processes by CPU usage in descending order.

Look for processes that are using a significant amount of CPU resources. If you notice any processes that are consistently using a high percentage of CPU, they are likely the culprit behind the high CPU usage. Note down the names of these processes for further troubleshooting.

In addition, keep an eye on the "System Idle Process." This process should normally have a high CPU usage percentage (close to 100%) as it represents the unused CPU capacity. Any other process consuming a high CPU percentage is worth investigating.

  • How to Fix High CPU Usage in Windows 10
  • Windows 10 High CPU Usage Solutions
  • Reduce CPU Usage in Windows 10

1.1 End or Restart Suspicious Processes

If you have identified any suspicious processes causing high CPU usage, you can try ending or restarting them to see if it resolves the issue. Right-click on the process name in the Task Manager and select "End Task" or "Restart." Keep in mind that ending essential system processes can result in system instability, so only terminate processes that are not critical to the functioning of your system.

After ending or restarting the suspicious processes, monitor your system's CPU usage to check if it has decreased. If the high CPU usage persists, proceed to the next troubleshooting step.

  • How to Fix High CPU Usage in Windows 10
  • Windows 10 High CPU Usage Solutions
  • Reduce CPU Usage in Windows 10

1.2 Update Drivers

Outdated or faulty drivers can also lead to high CPU usage in Windows 10. It is crucial to keep your system drivers up to date to ensure optimal performance and compatibility. You can manually update your drivers by following these steps:

  • Open the "Device Manager" by right-clicking on the Start button and selecting it from the menu.
  • In the Device Manager window, expand the categories and locate the devices with a yellow exclamation mark or a red "X" symbol.
  • Right-click on the device and select "Update driver" from the context menu.
  • Choose the option to search for updated drivers automatically. If Windows finds any updates, it will install them.
  • Repeat the process for all devices with outdated or faulty drivers.

If updating the drivers manually seems overwhelming, you can use driver update software that automates the process and ensures you have the latest drivers installed.

  • How to Fix High CPU Usage in Windows 10
  • Windows 10 High CPU Usage Solutions
  • Reduce CPU Usage in Windows 10

1.3 Perform Virus and Malware Scan

Malware infections can significantly impact your computer's performance, leading to high CPU usage. Run a full system scan using a reliable antivirus or antimalware software to detect and remove any malicious programs. Make sure your antivirus software is up to date, and perform regular scans to ensure the security of your system.

If your current antivirus software does not detect any malware but you suspect an infection, you can use reputable online malware scanners or specialized malware removal tools to perform a more thorough scan.

  • How to Fix High CPU Usage in Windows 10
  • Windows 10 High CPU Usage Solutions
  • Reduce CPU Usage in Windows 10

1.4 Disable Unnecessary Startup Programs

Many programs automatically start when you boot up your computer, consuming CPU resources and contributing to high CPU usage. Disabling unnecessary startup programs can help reduce the burden on your CPU and improve overall system performance. To disable startup programs:

  • Right-click on the taskbar and select "Task Manager."
  • Go to the "Startup" tab in the Task Manager.
  • Identify the programs that you want to disable from starting up with your computer.
  • Select the program and click "Disable." Repeat this for all unnecessary programs.

Disabling unnecessary startup programs will prevent them from launching when you start your computer, reducing CPU usage and freeing up system resources.

  • How to Fix High CPU Usage in Windows 10
  • Windows 10 High CPU Usage Solutions
  • Reduce CPU Usage in Windows 10

2. Optimize Windows Performance Settings

Windows provides several performance settings that can be adjusted to optimize CPU usage and overall system performance. Here are some settings you can adjust:

  • Power Plan: Choose a power plan that focuses on performance rather than power savings. You can modify the power plan by going to the Control Panel and selecting "Hardware and Sound" > "Power Options."
  • Visual Effects: Adjusting visual effects can improve CPU performance. Go to "System" > "Advanced system settings" > "Settings" under the "Performance" section. Select the "Adjust for best performance" option or manually disable specific effects that you don't need.
  • Background Applications: Limit the number of background applications running. Go to "System" > "Background apps" and toggle off the apps that you don't require running in the background.
  • System Maintenance: Schedule regular system maintenance tasks, such as disk cleanup and defragmentation, to optimize performance. You can access these options by searching for "Maintenance" in the Control Panel.

Applying these performance settings can help alleviate high CPU usage in Windows 10 and improve overall system responsiveness.

2.1 Disable Windows Search Indexing

Windows Search Indexing is a process that continuously indexes files on your computer to improve search functionality. However, it can consume CPU resources and cause high CPU usage. Disabling Windows Search Indexing can help reduce CPU usage. Here's how:

  • Open the "Services" window by pressing Windows key + R, typing "services.msc," and hitting Enter.
  • In the Services window, locate "Windows Search" from the list of services.
  • Right-click on "Windows Search" and select "Properties."
  • In the Properties window, change the startup type to "Disabled." Click "Apply" and "OK" to save the changes.

Disabling Windows Search Indexing may result in slower file searches, but it can help reduce high CPU usage.

  • How to Fix High CPU Usage in Windows 10
  • Windows 10 High CPU Usage Solutions
  • Reduce CPU Usage in Windows 10

2.2 Adjust Virtual Memory Settings

If your system experiences high CPU usage due to excessive memory usage, adjusting virtual memory settings can help. Virtual memory, also known as the page file, is a reserved portion of your hard drive used as additional RAM when your physical RAM is fully utilized. Here's how to adjust virtual memory settings:

  • Right-click on "This PC" or "My Computer" and select "Properties."
  • In the System Properties window, go to the "Advanced" tab and click on "Settings" under the "Performance" section.
  • In the Performance Options window, go to the "Advanced" tab and click on "Change" under the "Virtual memory" section.
  • Uncheck the "Automatically manage paging file size for all drives" option.
  • Select the drive where Windows is installed and choose the "Custom size" option.
  • Set the initial size and maximum size values according to the recommended values based on your system's RAM. You can find these values online or consult your system's manufacturer.
  • Click "Set" and then "OK" to save the changes.

Note: Changing virtual memory settings requires administrative privileges, and modifying these settings incorrectly can cause system instability. Ensure that you follow the recommended values and consult experts if needed.

2.3 Adjust System Performance Options

You can further optimize your system's performance by adjusting specific performance options. Here's how:

  • Go to the Control Panel and select "System."
  • In the System window, click on "Advanced system settings" in the left-hand panel.
  • Click on the "Settings" button under the "Performance" section.
  • In the Performance Options window, you can choose between "Adjust for best performance" to disable all visual effects or manually customize specific visual effects by selecting the "Custom" option.
  • Click "Apply" and then "OK" to save the changes.

Adjusting these performance options can help reduce CPU usage by prioritizing system performance over visual effects.

3. Manage Background Processes and Applications

Background processes and applications running on your system can contribute to high CPU usage. Here are some steps to manage these processes and reduce CPU usage:

  • Uninstall Unnecessary Applications: Remove any unnecessary programs that you don't use regularly. Go to the Control Panel and select "Uninstall a program" to remove unwanted applications.
  • Disable Automatic Startup: Some applications start automatically with your computer, even if you don't use them frequently. To disable automatic startup, open the Task Manager, go to the "Startup" tab, and disable the applications you don't need.
  • Limit Browser Extensions: Browser extensions consume system resources, including CPU usage. Disable or remove any unnecessary extensions from your web browser.
  • Close Unused Programs and Tabs: Make sure to close any unused programs and browser tabs to reduce CPU usage.

By managing background processes and applications, you can free up CPU resources and reduce overall CPU usage.

3.1 Utilize Task Manager and Resource Monitor

The Task Manager and Resource Monitor are powerful built-in tools in Windows 10 that provide detailed information about processes and resource consumption. You can utilize these tools to identify resource-intensive processes and terminate them if necessary.

To open the Resource Monitor, right-click on the taskbar and select "Task Manager." In the Task Manager window, go to the "Performance" tab and click on "Open Resource Monitor" at the bottom. In the Resource Monitor, navigate to the "CPU," "Disk," and "Memory" tabs to analyze utilization and identify resource-heavy processes.

  • How to Fix High CPU Usage in Windows 10
  • Windows 10 High CPU Usage Solutions
  • Reduce CPU Usage in Windows 10

3.2 Use Third-Party System Optimization Tools

If you prefer a more automated approach to managing background processes, you can use third-party system optimization tools. These tools can help you optimize system performance, reduce CPU usage, and manage startup programs with ease. Popular system optimization
How To Fix High CPU Usage Windows 10

Ways to Resolve High CPU Usage on Windows 10

If your Windows 10 computer is experiencing high CPU usage, it can lead to sluggish performance and slow down your system. Fortunately, there are several troubleshooting steps you can take to fix this issue and improve the overall performance of your computer.

Here are some ways to resolve high CPU usage on Windows 10:

  • Check for Malware: Run a scan with your antivirus software to detect and remove any malicious programs that may be causing the high CPU usage.
  • Update Windows: Ensure that your operating system is up to date by installing the latest Windows updates. These updates often include fixes for known issues, including high CPU usage.
  • Close Unnecessary Programs: Close any unnecessary programs and background processes that are consuming CPU resources. You can use the Task Manager to identify and close these applications.
  • Adjust Power Settings: Change your power plan settings to "Balanced" or "Power Saver" to optimize CPU usage. This can help reduce the strain on your processor.
  • Disable Startup Programs: Disable any unnecessary programs from launching at startup. These programs can contribute to high CPU usage. Use the Task Manager or System Configuration tool to manage startup programs.
  • Update Device Drivers: Outdated or incompatible device drivers can cause high CPU usage. Update your drivers by visiting the manufacturer's website or using a driver update tool.
  • Upgrade Hardware: If none of the above steps resolve the issue, you may need to upgrade your hardware components, such as adding more RAM or upgrading to a faster processor.

Key Takeaways: How to Fix High CPU Usage Windows 10

  • Closing resource-heavy applications can help reduce high CPU usage.
  • Updating device drivers can resolve issues with high CPU usage.
  • Scanning your computer for malware can identify and remove any malicious software causing high CPU usage.
  • Adjusting power settings can help manage CPU usage effectively.
  • Performing a clean boot can help identify and resolve software conflicts causing high CPU usage.

Frequently Asked Questions

High CPU usage on Windows 10 can lead to performance issues and slow down your computer. To help you fix this problem, we have answered some common questions below.

1. How can I identify the process causing high CPU usage?

Identifying the process causing high CPU usage is the first step in fixing the issue. Follow these steps to identify the culprit:

- Open the Task Manager by pressing Ctrl + Shift + Esc.

- Go to the "Processes" or "Details" tab (Windows 10 1903 and earlier) or "Details" tab (Windows 10 1909 and later).

- Click on the "CPU" column to sort the processes by CPU usage from highest to lowest.

- Identify the process(es) with high CPU usage and note down their names.

Once you have identified the process causing high CPU usage, you can proceed with further troubleshooting.

2. How can I fix high CPU usage caused by a specific process?

If you have identified a specific process causing high CPU usage, you can try the following solutions:

- Update the software associated with the process to the latest version.

- Disable unnecessary startup programs that might be causing the high CPU usage.

- Perform a malware scan using reliable antivirus software to check for any malicious programs that might be causing the issue.

- If the process is related to a specific application, try reinstalling the application to resolve any conflicts or issues.

- Contact the software developer or vendor for further assistance if the problem persists.

3. How can I optimize my computer to reduce CPU usage?

To optimize your computer and reduce CPU usage, you can try the following steps:

- Disable unnecessary startup programs.

- Clean up your hard drive to free up disk space.

- Remove unnecessary browser extensions and plugins.

- Update your operating system and device drivers to the latest versions.

- Close unused applications and tabs.

- Make sure your computer is free from malware and viruses by regularly scanning with antivirus software.

- Consider upgrading your hardware, such as adding more RAM or upgrading to a faster CPU.

4. Why does my computer show high CPU usage even when idle?

If your computer shows high CPU usage even when idle, it could be due to various reasons:

- Background processes or services running in the background.

- Malware or virus infection.

- Outdated or faulty device drivers.

- Incompatible or resource-intensive applications.

To troubleshoot this issue, you can try the following:

- Perform a malware scan using reliable antivirus software.

- Update your device drivers to the latest versions.

- Check for compatibility issues with your installed applications.

- Disable unnecessary background processes or services.

5. Should I be concerned about high CPU usage?

High CPU usage is not always a cause for concern, especially if it occurs during resource-intensive tasks like gaming or video editing. However, if your computer frequently experiences high CPU usage during normal usage or when idle, it could indicate an underlying issue.

If high CPU usage is causing performance issues or slowing down your computer, it is recommended to investigate and fix the problem to ensure smooth operation.



To summarize, high CPU usage on Windows 10 can be frustrating, but there are several effective solutions you can try. First, make sure to identify the processes consuming the most CPU power using the Task Manager. Then, check for any malware or virus infections by running a full system scan with a reliable antivirus program.

If malware is not the cause, you can try adjusting power settings to prioritize performance over energy saving. Additionally, updating your device drivers and Windows operating system can help fix compatibility issues and optimize CPU usage. Disabling unnecessary startup programs and services can also lighten the CPU load.


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