What impact does the CPU run 100% for a long time?

How to Fix 100% CPU Usage on Windows

If you experience abnormal 100% CPU usage, you can try the following solutions to resolve this issue:

1] Disabling Apps in MSConfig

You can disable unnecessary applications that run in the background or at startup by using the MSConfig. The method is:

  1. Click Start, then type “MSConfig” and open the app.
  2. Go to the Services tab, and then check Hide All Microsoft Services. Then uncheck the apps you don’t need. Click Apply and OK.
  3. Go to the Startup tab, and then click Open Task Manager. Then disable unnecessary apps by right-clicking and selecting Disable. Close Task Manager and click OK.
  4. Restart your computer and check if 100% CPU usage is still happening or not.

2] Reduce Visual Effects on Windows

You can reduce visual effects in Windows to save your processor resources. The method is:

  1. Right-click on This PC or My Computer, and then select Properties.
  2. Select Advanced System Settings, and then click Settings under Performance.
  3. Select Adjust for best performance, or select Custom and uncheck unnecessary visual effects. Click Apply and OK.
  4. Restart your computer and check if 100% CPU usage is still happening or not.

3] Disable Background Apps

You can disable background apps running in the background and using your processor resources. The method is:

  1. Click Start, and then select Settings.
  2. Select Privacy, and then select Background apps on the left.
  3. Disable unnecessary background apps by sliding the switch to the Off position. Close Settings.
  4. Restart your computer and check if 100% CPU usage is still happening or not.

4] Disable WMI Provider

WMI Provider is a service used by Windows to collect information about the system and applications. However, this service can cause 100% CPU usage if errors or conflicts occur. You can disable this service by:

  1. Click Start, then type “Services“ and open the app.
  2. Locate and right-click on Windows Management Instrumentation, and then select Stop.
  3. Restart your computer and check if 100% CPU usage is still happening or not.
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5] Scan with Antivirus

You can perform an antivirus scan to check for and remove any malware or viruses that may be causing 100% CPU usage. You can use Windows’ built-in antivirus, Windows Defender, or any other antivirus you trust. The method is:

  1. Open Windows Defender, and then select Virus & threat protection.
  2. Select Scan options, and then select Full scan. Click Scan now and wait for the scanning process to complete.
  3. If any threats are found, follow the instructions to remove them. Restart your computer and check if 100% CPU usage is still happening or not.

6] Reinstall Windows

If the above solutions do not work, you can try to reinstall Windows. It can restore your system settings to their original state and remove any apps or files that might be causing the problem. However, before you reinstall Windows, make sure you have backed up your important data first. The method is:

  1. Click Start, and then select Settings.
  2. Select Update & Security, and then select Recovery on the left.
  3. Select Reset this PC, and then select Get started.
  4. Choose Keep my files or Remove everything, depending on your choice. Follow the rest of the instructions to reinstall Windows.
  5. After the process is complete, check whether 100% CPU usage is still happening or not.

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