Forum Discussion

Xollom's avatar
Xollom
Iron Contributor
Aug 22, 2025

ntoskrnl.exe is using 100% of the CPU.

The system process ntoskrnl.exe continuously occupies 100% of the CPU, causing the system to freeze and overheat, seriously affecting normal use. What should I do?

2 Replies

  • MiloShepherd's avatar
    MiloShepherd
    Iron Contributor

    High CPU usage by ntoskrnl.exe is typically caused by driver conflicts or hardware failures. Use verifier.exe to troubleshoot problematic drivers and update your motherboard/graphics card drivers to the latest versions.

  • Enzoip's avatar
    Enzoip
    Iron Contributor

    The ntoskrnl.exe (Windows NT Operating System Kernel) process consuming 100% CPU is a common issue that can cause system freezes and overheating.

Resources