Running Windows built-in power troubleshooting tools is the first choice for solving problems such as fast battery drain, inability to sleep properly or wake up, and unexpected shutdown. It can automatically detect and repair abnormalities such as power settings, sleep mode, drivers and background applications. The specific steps are: 1. Press Win I to open the settings; 2. Go to System > Troubleshooting > Other Troubleshooting Tools; 3. Find the "Power" option and click "Run"; 4. Wait for the tool to scan for problems and apply recommended repairs; 5. Complete the repairs according to the prompts and restart the computer if necessary. If access cannot be accessed through settings, you can open the administrator command prompt and enter msdt.exe -id PowerDiagnostic to start manually. In addition, keeping the system updated and checking the battery health also helps improve the power management effect. The entire process does not require professional technical knowledge and is easy to operate.

Windows has a built-in Power troubleshooter designed to automatically detect and fix common issues that may be affecting your computer's performance, battery life, or power settings. If your PC is draining battery too quickly, not sleeping or waking up properly, or showing unexpected shutdowns, running the Power troubleshooter can help identify and resolve the problem.

Here's how to use it:

Open the Power Troubleshooter

1. Go to Settings
   Press Windows I to open the Settings app.

   

2. Navigate to System > Troubleshoot
   In Windows 11 and 10 (recent updates), troubleshooting options are under System > Troubleshoot > Other troubleshooters.
   (In older versions, it might be under Update & Security > Troubleshoot.)

3. Find the Power Option
   Scroll down to find "Power" in the list of available troubleshooters. Click "Run" next to it.

   

Let the Troubleshooter Analyze the Problem

• The tool will automatically scan your system for issues related to power settings, sleep modes, battery usage, and performance plans.
• It checks things like:
  • Incorrect power plan configurations
  • Devices preventing sleep mode
  • Outdated drivers affecting power management
  • Background apps consuming excess energy

Wait a few moments while it runs. You may be prompted to apply fixes if any problems are found.

Apply Recommended Fixes

• If the troubleshooter detects an issue, it will suggest automatic fixes. Click "Apply this fix" or "Next" to let it correct the settings.
• Some fixes may require administrator permission or a restart to take effect.
• After applying fixes, the troubleshooter will confirm whether the issue was resolved.

Additional Tips

• If the Power troubleshooter doesn't appear or won't run, you can access it via Command Prompt:
  Open Command Prompt as administrator and type:
  msdt.exe -id PowerDiagnostic
• Make sure Windows is up to date — Microsoft often improves troubleshooters with updates.
• For laptops, also check battery health and consider recalibrating the battery if readings seem inaccurate.

Running the Power troubleshooter is a quick, user-friendly way to resolve many common power-related issues without manually adjusting settings or digging through Device Manager.

Basically, it's a good first step when dealing with sleep, shutdown, or battery problems — no technical knowledge needed.

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