Computer Hardware

Microsoft Edge High CPU Usage

Microsoft Edge High CPU Usage is a common issue that many users have faced while using the browser. It can be frustrating to experience slow performance and overheating due to excessive CPU usage. This problem can impact the overall productivity and user experience, making it important to find effective solutions.

One significant aspect of Microsoft Edge High CPU Usage is its impact on system resources. When the browser consumes a large portion of the CPU, it leaves limited resources for other tasks, resulting in sluggish performance. According to statistics, high CPU usage by Edge can lead to a slower response time and frequent crashes. To address this issue, users can try clearing their browsing data, disabling unnecessary extensions, and keeping the browser updated to improve performance.




Identifying the Causes of High CPU Usage in Microsoft Edge

Microsoft Edge is a popular web browser used by many individuals and organizations. However, users may sometimes encounter high CPU usage when using the browser, which can lead to slow performance and reduced productivity. To address this issue effectively, it is important to understand the possible causes of high CPU usage in Microsoft Edge. This article aims to provide detailed information on the factors that contribute to this problem and potential solutions. By following these guidelines, users can optimize their browsing experience and ensure that Microsoft Edge operates smoothly.

1. Extensions and Add-ons

One common cause of high CPU usage in Microsoft Edge is the presence of excessive extensions and add-ons. While these tools can enhance the browsing experience by adding functionality, they can also consume significant CPU resources, especially if poorly coded or incompatible. Users are advised to review their installed extensions and remove any that are unnecessary or causing performance issues. To do this, follow these steps:

  • Open Microsoft Edge and click on the menu button (three horizontal dots) located in the top-right corner.
  • Select "Extensions" from the drop-down menu.
  • Review the list of installed extensions and disable or remove any that are not essential or causing high CPU usage.

After removing unnecessary extensions, restart Microsoft Edge for the changes to take effect. This should help alleviate high CPU usage caused by extensions and improve overall browser performance.

a. Keeping Extensions up to Date

In addition to removing unnecessary extensions, it is crucial to keep the remaining ones up to date. Developers often release updates to address bugs and optimize performance. To ensure that extensions do not contribute to high CPU usage, follow these steps:

  • Open Microsoft Edge and click on the menu button (three horizontal dots) in the top-right corner.
  • Select "Extensions" from the drop-down menu.
  • Toggle on the "Allow extensions from other stores" option if you have extensions from sources other than the Microsoft Store.
  • Click on "Get extensions from Microsoft Store" and update each extension individually or click on "Update all" to update all installed extensions.

By keeping extensions up to date, users can ensure that they have the latest bug fixes and performance optimizations, reducing the chances of high CPU usage.

b. Enable or Disable Extensions on Demand

Microsoft Edge provides an option to enable or disable extensions on demand. This can be particularly useful in reducing CPU usage when certain extensions are only needed for specific tasks. To enable or disable extensions on demand, follow these steps:

  • Open Microsoft Edge and click on the menu button (three horizontal dots) in the top-right corner.
  • Select "Extensions" from the drop-down menu.
  • Toggle on the "Allow extensions from other stores" option if you have extensions from sources other than the Microsoft Store.
  • Click on the extension you want to enable or disable and toggle on or off the "Allow on this site" option.

By enabling or disabling extensions on demand, users can conserve CPU resources and improve browser performance when specific extensions are not required.

2. Outdated or Corrupted Browser Cache

The browser cache stores temporary files, such as images and scripts, to optimize webpage loading times. However, an outdated or corrupted browser cache can contribute to high CPU usage in Microsoft Edge. To address this issue, users can clear the browser cache by following these steps:

Note: Clearing the browser cache will sign users out of websites they are currently logged into.

  • Open Microsoft Edge and click on the menu button (three horizontal dots) in the top-right corner.
  • Select "Settings" from the drop-down menu.
  • Scroll down and click on "Privacy, search, and services."
  • Under the "Clear browsing data" section, click on "Choose what to clear."
  • Select the desired checkboxes (e.g., "Cached images and files") and click on the "Clear" button.

After clearing the browser cache, restart Microsoft Edge for the changes to take effect. This should help resolve any high CPU usage caused by outdated or corrupted cache files.

a. Clear Cache Automatically

Users can also configure Microsoft Edge to clear the browser cache automatically at regular intervals. This ensures that the cache remains optimized and does not contribute to high CPU usage. To enable automatic cache clearing, follow these steps:

  • Open Microsoft Edge and click on the menu button (three horizontal dots) in the top-right corner.
  • Select "Settings" from the drop-down menu.
  • Scroll down and click on "Privacy, search, and services."
  • Under the "Clear browsing data" section, toggle on the "Always clear this when I close the browser" option.
  • Click on "Choose what to clear" to customize the data that gets cleared automatically.

By enabling automatic cache clearing, users ensure that the browser cache remains optimized, reducing the likelihood of high CPU usage caused by cached files.

b. Increase Disk Space Allocated for Cache

Microsoft Edge allows users to increase the amount of disk space allocated for the browser cache. By default, the browser allocates a certain amount of disk space for cached files, but increasing this limit can improve performance and reduce the chances of high CPU usage. To increase the disk space allocated for the cache, follow these steps:

  • Open Microsoft Edge and click on the menu button (three horizontal dots) in the top-right corner.
  • Select "Settings" from the drop-down menu.
  • Scroll down and click on "Privacy, search, and services."
  • Under the "Clear browsing data" section, click on "Choose what to clear."
  • Scroll down and click on "More options."
  • Adjust the "Amount of disk space to use" slider to increase the allocated disk space for the cache.

By allocating more disk space for the cache, users ensure that it can store a larger amount of temporary files, reducing the need for frequent caching and potential high CPU usage.

3. Outdated Browser Version

Using an outdated version of Microsoft Edge can also contribute to high CPU usage. Developers often release updates that address performance issues and introduce optimizations. To update Microsoft Edge to the latest version, follow these steps:

  • Open Microsoft Edge and click on the menu button (three horizontal dots) in the top-right corner.
  • Select "Settings" from the drop-down menu.
  • Scroll down and click on "About Microsoft Edge."
  • If an update is available, Microsoft Edge will automatically download and install it.
  • Restart the browser to apply the updates.

By keeping Microsoft Edge up to date, users can benefit from the latest improvements and optimizations, reducing the chances of high CPU usage.

a. Enable Automatic Updates

To ensure that Microsoft Edge stays updated without manual intervention, users can enable automatic updates. By doing this, the browser will automatically download and install updates in the background. To enable automatic updates, follow these steps:

  • Open Microsoft Edge and click on the menu button (three horizontal dots) in the top-right corner.
  • Select "Settings" from the drop-down menu.
  • Scroll down and click on "About Microsoft Edge."
  • Toggle on the "Update Microsoft Edge" option.

Enabling automatic updates ensures that Microsoft Edge remains updated with the latest bug fixes and performance optimizations.

b. Enable Experimental Features

Microsoft Edge provides users with the option to enable experimental features that are still under development. While these features may offer additional functionality, they can also contribute to high CPU usage if not optimized. Users are advised to proceed with caution when enabling experimental features and consider disabling them if they experience performance issues. To enable or disable experimental features, follow these steps:

  • Open Microsoft Edge and type "edge://flags" in the address bar without quotes.
  • Press Enter to access the Experimental Features page.
  • Review the available features and use the search bar to find specific ones.
  • Toggle on or off the options based on personal preferences and performance requirements.
  • Restart Microsoft Edge for the changes to take effect.

By enabling or disabling experimental features, users can optimize their browsing experience and minimize the risk of high CPU usage.

4. Insufficient System Resources

High CPU usage in Microsoft Edge can occur when the system does not have sufficient resources to handle the browser's demands. In such cases, it is essential to ensure that the computer meets the minimum system requirements recommended by Microsoft for running Edge smoothly. If the system falls short of the requirements, users can consider upgrading the hardware components, such as the CPU, RAM, or hard drive, to improve performance and eliminate high CPU usage.

It is also important to close any unnecessary programs or processes running in the background that may consume CPU resources. This can be done by accessing the Task Manager and terminating any non-essential tasks. To access the Task Manager, follow these steps:

  • Right-click on the taskbar and select "Task Manager" from the context menu.
  • Click on the "Processes" or "Details" tab depending on your Windows version.
  • Review the list of processes and identify any that are using a significant amount of CPU resources.
  • Right-click on the process and select "End Task" to terminate it.

By ensuring that the system meets the minimum requirements and closing unnecessary programs, users can optimize system resource allocation and reduce the chances of high CPU usage in Microsoft Edge.

Exploring Further Solutions to Microsoft Edge High CPU Usage

While the previous section discussed the most common causes of high CPU usage in Microsoft Edge, there may be other factors contributing to this issue. This section explores some additional solutions that can help address high CPU usage and improve browser performance.

1. Reset Microsoft Edge

If all else fails, users can consider resetting Microsoft Edge to its default settings. This can resolve any software-related issues that may contribute to high CPU usage. However, it is important to note that resetting the browser will remove all installed extensions, browsing history, and saved passwords. To reset Microsoft Edge, follow these steps:

  • Open Microsoft Edge and click on the menu button (three horizontal dots) in the top-right corner.
  • Select "Settings" from the drop-down menu.
  • Scroll down and click on "Reset settings" under the "Reset and cleanup" section.
  • Click on the "Restore settings to their default values" button.
  • Confirm the action by clicking on the "Reset" button.

After resetting Microsoft Edge, users can reconfigure their preferred settings, reinstall necessary extensions, and monitor CPU usage to ensure optimal performance.

2. Disable Hardware Acceleration

Another potential solution to high CPU usage in Microsoft Edge is disabling hardware acceleration. Hardware acceleration offloads certain tasks to the computer's GPU (Graphics Processing Unit), but in some cases, this feature may cause compatibility issues or contribute to high CPU usage. To disable hardware acceleration, follow these steps:

  • Open Microsoft Edge and click on the menu button (three horizontal dots) in the top-right corner.
  • Select "Settings" from the drop-down menu.
  • Scroll down and click on "System."
  • Toggle off the "Use hardware acceleration when available" option.

Disabling hardware acceleration may help alleviate high CPU usage caused by GPU-related issues. However, it is important to note that this may impact certain graphics-intensive tasks, such as video playback or gaming.

3. Consider Alternative Web Browsers

If high CPU usage in Microsoft Edge persists despite
Microsoft Edge High CPU Usage

High CPU Usage in Microsoft Edge

Microsoft Edge is a popular web browser developed by Microsoft. However, some users have experienced high CPU usage when using Edge, which can lead to slow performance and system overheating.

There are several possible causes for high CPU usage in Microsoft Edge:

  • Multiple open tabs: Having too many tabs open in Edge can consume a significant amount of CPU resources. It is advisable to close unnecessary tabs or use tab management extensions to reduce CPU usage.
  • Extensions and add-ons: Certain extensions and add-ons in Edge may be poorly optimized, causing high CPU usage. Consider disabling or removing unnecessary extensions to improve performance.
  • Outdated version: Using an outdated version of Microsoft Edge can result in performance issues and high CPU usage. Make sure to regularly update Edge to the latest version available.
  • Malware or adware: Sometimes, malicious software or adware can cause high CPU usage in Edge. Perform a thorough scan with reliable antivirus software to detect and remove any potential threats.

If you continue to experience high CPU usage in Microsoft Edge, you may need to consider using an alternative web browser or seeking further technical support.


Key Takeaways for "Microsoft Edge High CPU Usage"

  • High CPU usage in Microsoft Edge can be caused by extensions or tabs running in the background.
  • Updating Microsoft Edge to the latest version can help resolve high CPU usage issues.
  • Disabling unnecessary extensions can reduce CPU usage in Microsoft Edge.
  • Closing unused tabs or using a tab suspender extension can help lower CPU usage in Microsoft Edge.
  • Clearing browsing history and cache can also help optimize CPU usage in Microsoft Edge.

Frequently Asked Questions

Are you experiencing high CPU usage while using Microsoft Edge? Here are some frequently asked questions to help you understand and resolve the issue.

1. What causes high CPU usage in Microsoft Edge?

Several factors can contribute to high CPU usage in Microsoft Edge. Some common reasons include:

  • Multiple open tabs or windows consuming resources
  • Extensions or add-ons using excessive CPU power
  • Outdated browser version with compatibility issues
  • Malware or virus affecting browser performance

To pinpoint the exact cause, you can use the Windows Task Manager to identify processes and extensions that are utilizing excessive CPU resources.

2. How can I reduce high CPU usage in Microsoft Edge?

To reduce high CPU usage in Microsoft Edge, you can try the following solutions:

  • Close any unnecessary tabs or windows
  • Update Microsoft Edge to the latest version
  • Disable or remove extensions that are causing high CPU usage
  • Scan your computer for malware or viruses
  • Clear cache and browsing history to optimize performance

If the issue persists, you may need to reset Microsoft Edge settings or reinstall the browser.

3. Can certain websites cause high CPU usage in Microsoft Edge?

Yes, certain websites with heavy multimedia content or poorly optimized scripts can cause high CPU usage in Microsoft Edge. These websites may include video streaming platforms, online gaming sites, or websites with excessive advertisements. Closing these websites or using an ad-blocker can help reduce CPU usage.

4. Does hardware affect CPU usage in Microsoft Edge?

Hardware specifications such as the processor (CPU), amount of RAM, and graphic card can affect the overall performance and CPU usage of Microsoft Edge. If you have an older or less powerful hardware configuration, it may struggle to handle resource-intensive tasks, resulting in high CPU usage. Upgrading your hardware can potentially improve the performance and reduce CPU usage.

5. Are there any known issues related to high CPU usage in Microsoft Edge?

Yes, Microsoft Edge has had some reported issues related to high CPU usage. These issues are often addressed in browser updates, so keeping your Edge browser up to date is crucial. It's recommended to periodically check for updates and install them to ensure optimal performance and bug fixes.



To sum up, high CPU usage in Microsoft Edge can be caused by various factors, including extensions, excessive background processes, or compatibility issues. It is important to regularly update the browser and disable unnecessary extensions to optimize performance. Additionally, clearing the cache and history can help resolve any temporary performance issues.

If the problem persists, it is advisable to check for any available updates for both Microsoft Edge and your operating system. If all else fails, reaching out to Microsoft support or seeking assistance from technical forums can provide further guidance and solutions to address high CPU usage in Microsoft Edge.


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