5 Ways to Fix CPU Usage 100 Percent Windows 10

By Achilles Hill | Last Updated January 03, 2024

Windows 10 will run slow when you open it for a long time. No matter what application will crash under such case. You will find that CPU usage 100 percent Windows 10 if you open the Task Manager. Therefore we found some solutions to reduce CPU usage in the following tutorial.

Fix CPU usage 100 percent Windows 10

Here are five ways provided for you：

• Way 1: Reduce usage Windows 10 by optimizing computer's drives
• Way 2: Fix Windows 10 CPU usage by Registry
• Way 3: Disable Cortana when high CPU utilization
• Way 4: Reduce CPU usage 100 percent through Services
• Way 5: Turn off notification to repair CPU usage 100 percent

Way 1: Reduce usage Windows 10 by optimizing computer's drives

If you hardly optimize your computer's drives, there will be cash take up disk space. To reduce usage Windows 10, do the steps below.

Step 1: Press Windows + E key to open File Explorer. Right-click on Disk C and select Properties.

Step 2: Switch to Tools tab, click on Optimize.

Step 3: In the Optimize Drives window, select a drive and click on Optimize.

Way 2: Fix Windows 10 CPU usage by Registry

Step 1: Hit Windows + R combination to invoke Run dialog.

Step 2: Input "regedit" then press Enter.

Step 3: In the Registry Editor window, expand the following keys: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TimeBroker

Step 4: Click on TimeBroker then find Start option in the left pane.

Step 5: Double-click on it and change the value data to 4. Restart your computer to save changes.

Way 3: Disable Cortana when high CPU utilization

Step 1: Click on Windows + R then type gpedit.msc in the box.

Step 2: Locate to Computer Configuration Administrative Templates Windows Components Search.

Step 3: Go to the right panel, find out the following items.

• Allow Cortana
• Allow Cortana above lock screen
• Allow search and Cortana to use location

Step 4: Double-click on them and select Disable in the popup window. Tap on Apply then OK to make changes affect.

Way 4: Reduce CPU usage 100 percent through Services

Step 1: Press Windows + R and type "services.msc" to run Services.

Step 2: Locate to Connected User Experiences and Telemetry option, right-click and Stop it.

Way 5: Turn off notification to repair CPU usage 100 percent Windows 10

Step 1: Click on Windows icon then click on Settings.

Step 2: Click on Notifications & Actions tab, choose what you need to close.

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