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You are here: Home / Guides / How to Check Power Supply on PC Windows 11: A Step-by-Step Guide

How to Check Power Supply on PC Windows 11: A Step-by-Step Guide

posted on April 6, 2026

How to Check Power Supply on PC Windows 11

Checking your PC’s power supply on Windows 11 can help you troubleshoot power-related issues or plan an upgrade. To do this, you can use the built-in tools to understand your current power usage and settings. You’ll need to access the PowerShell or Command Prompt, run specific commands, and interpret the results to gain insight into your power supply and system performance.

How to Check Power Supply on PC Windows 11

In this section, we will walk through the steps you need to take to check your power supply on a Windows 11 PC. By the end, you’ll have a clear picture of your current power usage and setup.

Step 1: Open PowerShell

To begin, open PowerShell by searching for it in the Start menu.

PowerShell is a command-line tool that lets you access various system settings and information. By typing "PowerShell" into the search bar and selecting "Run as administrator," you’ll have the permissions needed to access power settings.

Step 2: Run Power Efficiency Report

Type the command powercfg /energy and press Enter.

This command generates a report that analyzes your computer’s energy efficiency. It will take about 60 seconds to complete and will produce an HTML report you can review.

Step 3: Locate the Energy Report

Find the report by navigating to the directory path displayed after the command runs.

The report is usually saved in the system32 folder. The path will be shown in the PowerShell window, and you can copy-paste it into your File Explorer to access the file.

Step 4: Open and Review the Report

Open the generated HTML file in a web browser to review its contents.

This report provides a detailed look at your system’s power consumption, potential issues, and areas for improvement. Look for sections related to power supply and battery usage.

Step 5: Assess Power Supply Details

Review the report for information about your power supply efficiency and any warnings.

Focus on items like battery capacity, power usage, and any warnings that can indicate problems with your power supply. These insights can guide you in optimizing performance or planning an upgrade.

After completing these steps, you’ll have a detailed view of your PC’s power supply performance and efficiency. The report will highlight potential issues that might affect your system’s power management, such as inefficient hardware or settings that can be adjusted for better performance.

Tips for Checking Power Supply on PC Windows 11

  • Regularly check the power efficiency report to catch issues early.
  • Use the report to identify apps or processes that consume too much power.
  • Consider upgrading hardware if efficiency is consistently low.
  • Customize power settings in Windows 11 for optimal performance.
  • Keep your system updated to ensure accurate power management diagnostics.

Frequently Asked Questions

How often should I check my power supply?

It’s a good idea to check your power supply every few months or if you notice performance issues.

Can I use other tools to check my power supply?

Yes, third-party apps like HWMonitor can provide additional insights.

What if I find issues in the report?

Consider updating drivers, adjusting power settings, or consulting a professional.

Does this method work on laptops and desktops?

Yes, this method works for both, though laptops may show battery-specific information.

Are there risks to running these commands?

No, running the commands to generate reports is safe and won’t alter your system settings.

Summary

  1. Open PowerShell.
  2. Run powercfg /energy.
  3. Locate the report.
  4. Open the HTML file.
  5. Assess power supply details.

Conclusion

Understanding how to check your power supply on Windows 11 is crucial for maintaining a healthy and efficient PC. By regularly reviewing your power efficiency report, you can catch potential problems before they escalate. This proactive approach not only helps keep your system running smoothly but also ensures that you make informed decisions about hardware upgrades and settings adjustments.

If you’re experiencing power-related issues, or just curious about your system’s performance, these steps provide a simple yet powerful way to gain insights. Don’t forget to apply the tips shared here to maximize your PC’s efficiency. For further reading, consider exploring additional resources on power management and hardware upgrades. Keep your system well-tuned, and it will serve you faithfully for years to come.

Matthew Burleigh
Matthew Burleigh

Matthew Burleigh has been a freelance writer since the early 2000s. You can find his writing all over the Web, where his content has collectively been read millions of times.

Matthew received his Master’s degree in Computer Science, then spent over a decade as an IT consultant for small businesses before focusing on writing and website creation.

The topics he covers for MasterYourTech.com include iPhones, Microsoft Office, and Google Apps.

You can read his full bio here.

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