How to Fix the 'Ntoskrnl.exe High CPU” Issue on Windows 11/10? - MiniTool

Guide to solve the problem of high CPU usage of Ntoskrnl.exe

Ntoskrnl.exe is a core component of the Windows NT operating system kernel and is responsible for managing system key services such as process management, memory management, and hardware virtualization. If you find that Ntoskrnl.exe takes up a lot of CPU resources, this article provides several solutions.

Reasons for high CPU occupancy of Ntoskrnl.exe

Ntoskrnl.exe's high CPU occupancy is usually caused by other processes, Windows services, installed applications, system file corruption or external devices. These factors will increase the system load of Ntoskrnl.exe, resulting in excessive CPU occupancy.

Methods to solve the problem of high CPU occupancy of Ntoskrnl.exe

Method 1: Run the System File Checker (SFC)

Corrupt or missing system files may cause Ntoskrnl.exe to have high CPU usage. These issues can be fixed using the System File Checker (SFC).

Step 1: Click the "Start" menu and enter "cmd" in the search box. Right-click on "Command Prompt" and select "Run as Administrator".

Step 2: Enter sfc /scannow in the command prompt window and press Enter.

Step 3: Wait for the system file scanning process to complete (100%). When finished, close the command prompt and restart the computer.

Method 2: Check for viruses and malware

Viruses and malware can also cause Ntoskrnl.exe to have high CPU usage. Use Windows Defender for a full scan.

Step 1: Press the Windows key I key at the same time to open "Settings".

Step 2: Go to "Update and Security" > "Windows Security" > "Open Windows Security".

Step 3: Click "Run new advanced scan".

Step 4: Select "Full Scan" and click "Scan Now".

Method 3: Perform Windows Update

Installing the latest Windows update can fix many system issues and vulnerabilities, including Ntoskrnl.exe's high CPU occupancy issue.

Step 1: Right-click the "Start" menu and select "Settings".

Step 2: Select "Update and Security" in the "Settings" window.

Step 3: In the "Windows Update" section, click the "Check for Updates" button. Follow the on-screen instructions to complete the update process.

Method 4: Disable Windows Search Service

Disabling the Windows Search service sometimes resolves this issue (for Windows 10 and Windows 11).

Step 1: Click the search icon on the taskbar to search for "Service".

Step 2: Select the first result to open the "Service" window.

Step 3: Scroll down to find "Windows Search" and double-click to open the properties interface.

Step 4: Set "Startup Type" to "Disabled". Click the "Stop" button under "Service Status".

Step 5: Click "Apply" and "OK".

Summarize

The above are several ways to solve the problem of Ntoskrnl.exe's high CPU occupancy. If you encounter this problem, you can try these methods one by one. Hopefully one of these methods will help you solve your problem.

The above is the detailed content of How to Fix the 'Ntoskrnl.exe High CPU” Issue on Windows 11/10? - MiniTool. For more information, please follow other related articles on the PHP Chinese website!