How to Run System Diagnostics on Windows 11: A Step-by-Step Guide

Running system diagnostics on Windows 11 is an essential task for maintaining the health of your computer. By following a few simple steps, you can identify and troubleshoot any potential issues. This guide will walk you through the process, ensuring your system runs smoothly and efficiently.

How to Run System Diagnostics on Windows 11

Running system diagnostics on Windows 11 allows you to check the health of your system and identify any problems that might be affecting its performance. Here’s how to do it:

Step 1: Open the Start Menu

Click the Start button in the bottom-left corner of your screen.

Your Start Menu is the gateway to all the applications and settings on your computer. You’ll find a lot of useful tools here, including the ones needed for system diagnostics.

Step 2: Search for "Windows Security"

In the search bar, type “Windows Security” and press Enter.

Windows Security is where you can find various tools to check your system’s health and security status. It’s a powerful feature that’s built right into Windows 11.

Step 3: Open the Device Performance & Health Tab

Click on the "Device performance & health" tab in the left sidebar.

This section provides an overview of your device’s performance and health status. It’s like a quick health check-up for your computer.

Step 4: Check for Potential Issues

Look for any warnings or issues highlighted in the Device performance & health section.

Windows Security will notify you if there are any potential problems with your device, such as storage, battery life, or software issues. It’s crucial to address these warnings promptly.

Step 5: Run a Full Scan

Click on the “Virus & threat protection” tab, then click “Quick scan” or “Full scan.”

Running a full scan will help you detect and remove any malware or viruses that might be lurking in your system. This step is essential for keeping your computer safe and secure.

Step 6: Utilize the Troubleshooter

Navigate to Settings > Update & Security > Troubleshoot.

Windows 11 includes a variety of troubleshooters that can automatically fix common issues. This can save you a lot of time and hassle.

Step 7: Review the Results

Once the diagnostics and scans are complete, review the results and take any recommended actions.

After running the diagnostics, Windows will provide recommendations based on its findings. Following these suggestions can help improve your system’s performance and stability.

After completing these steps, your system should be in better shape. You’ll have a clearer understanding of any issues and how to address them.

Tips for Running System Diagnostics on Windows 11

  • Regular Checks: Run system diagnostics regularly to catch issues early.
  • Update Software: Keep your software up to date to avoid compatibility problems.
  • Backup Data: Always backup your data before running extensive diagnostics.
  • Use Built-In Tools: Windows 11 has many built-in tools that are effective and easy to use.
  • Seek Professional Help: If you’re unsure about any step, don’t hesitate to ask a professional for help.

Frequently Asked Questions

What is Windows Security?

Windows Security is a built-in feature that helps protect your computer from viruses, malware, and other threats.

How often should I run system diagnostics?

It’s a good practice to run diagnostics at least once a month to keep your system in good shape.

Can I use third-party software for diagnostics?

Yes, but the built-in tools in Windows 11 are usually sufficient for most users.

What should I do if I find a problem?

Follow the recommended actions provided by Windows Security, or consult a professional if the issue is complex.

Is it safe to perform a full scan?

Yes, running a full scan is safe and recommended to ensure your system is free of malware.


  1. Open the Start Menu
  2. Search for "Windows Security"
  3. Open the Device Performance & Health Tab
  4. Check for Potential Issues
  5. Run a Full Scan
  6. Utilize the Troubleshooter
  7. Review the Results


Running system diagnostics on Windows 11 doesn’t have to be a daunting task. By following these simple steps, you can ensure that your computer remains in top-notch condition. Regular diagnostics can help you catch potential issues before they become major problems, saving you time and stress in the long run. Whether you’re a seasoned tech enthusiast or a casual user, these built-in tools are designed to be user-friendly and effective.

If you found this guide helpful, make sure to bookmark it for future reference. For those who want to dive deeper, there are plenty of resources available to explore more advanced diagnostic and troubleshooting techniques. Stay proactive, and your Windows 11 experience will be smooth sailing!

Get Our Free Newsletter

How-to guides and tech deals

You may opt out at any time.
Read our Privacy Policy