Windows 10: ntoskrnl.exe high cpu usage when using apps

Discus and support ntoskrnl.exe high cpu usage when using apps in Windows 10 Gaming to solve the problem; Whenever I use a heavy app, ntoskrln.exe spikes up to 30-40% which causes stutters. Ran a defender scan and found no malware.Can anyone tell whats... Discussion in 'Windows 10 Gaming' started by AATMIKSOLANKI, Jul 1, 2022.

  1. AATMIKSOLANKI
    AATMIKSOLANKI Win User

    ntoskrnl.exe high cpu usage when using apps


    Whenever I use a heavy app, ntoskrln.exe spikes up to 30-40% which causes stutters. Ran a defender scan and found no malware.Can anyone tell whats causing the issue?

    :)
     
    AATMIKSOLANKI, Jul 1, 2022
    #1
  2. GREG CARMACK - WINDOWS MVP 2010-2020
    Greg Carmack - Windows MVP 2010-2020 Win User

    high cpu usage of ntoskrnl.exe HvilsHypervisor

    Hi Sangmin. I'm Greg, 10 years awarded Windows MVP, here to help you.

    1) Try these fixes for known issue of high CPU usage due to ntoskrnl.exe:

    https://www.makeuseof.com/tag/fix-high-cpu-usag...

    https://helpdeskgeek.com/help-desk/why-ntoskrnl...

    https://appuals.com/high-cpu-or-disk-usage-by-n...

    (Avoid ad links which intrude into editorial copy, especially avoid Restoro, PC Repair Tool and Reimage ads)

    https://techcult.com/fix-ntoskrnl-exe-high-cpu-...

    https://windowsreport.com/ntoskrnl-exe-high-cpu...

    (Avoid ad links which intrude into editorial copy, especially avoid Restoro, PC Repair Tool and Reimage ads)

    2) Go over Windows using this checklist to make sure the install is set up correctly, optimized for best performance, and any needed repairs get done: http://answers.microsoft.com/en-us/windows/wiki...

    Start with Step 4 to turn off Startup freeloaders which can conflict and cause issues, then Step 7 to check for infection the most thorough way, then step 10 to check for damaged System Files, and also Step 16 to test a new Local Admin account to replace yours which may be corrupted. Then if necessary continue with the other steps to go over your install most thoroughly.

    3) Update your drivers and BIOS/UEFI firmware from the PC or motherboard maker's Support Downloads web page, using the full model number, Serial Number or Dell Service Tag on sticker. Compare the latest drivers available for download with the ones presently installed in Device Manager reached by right clicking the Start button. Make sure you have the latest BIOS or UEFI firmware, Chipset, Display (Video), Sound, USB3, Bluetooth, Network and all other drivers, or else download and install the latest now.

    Updating drivers from the Device Manager or Windows Update is rarely enough. The most basic thing we need to learn to maintain a PC is keep the latest manufacturer's drivers installed from their Support Downloads web page. Everything else depends on this.

    4) If nothing else works then do a Repair Install, by installing Media Creation Tool, open tool and choose to Upgrade Now. This reinstalls Windows while keeping files, programs and most settings in place, is the most stable method to advance to the latest version, and solves most problems. Tutorial here: https://www.tomshardware.com/how-to/fix-windows...

    Feel free to ask back any questions. Based on the results you post back I may have other suggestions if necessary.

    ______________________________________________

    Standard Disclaimer: There are links to non-Microsoft websites. The pages appear to be providing accurate, safe information. Watch out for ads on the sites that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the sites before you decide to download and install it.
     
    Greg Carmack - Windows MVP 2010-2020, Jul 1, 2022
    #2
  3. NICONPL
    niconpl Win User
    ntoskrnl High CPU usage


    Hello Guys , im strugling for few days with this and no luck.

    ntoskrnl is constantly using 1 of cores as shown below.



    ntoskrnl.exe high cpu usage when using apps [​IMG]


    Process name is System and compressed memory, and is pointing to ntoskrnl



    ntoskrnl.exe high cpu usage when using apps [​IMG]


    Im using laptop Samsung np350v5c-s0dpl
    i7 3630qm
    8gm ram
    Intel Hd graphics 4000
    Amd Radeon 7600M
    -----------------------------------

    What's more interesting , this started after i swaped my DVD drive with HDD.. when i run only with SSD in mail slot it;s normal.
    Already try clean install but still the same.
    I can share WPT on PM
     
    niconpl, Jul 1, 2022
    #3
  4. GREG CARMACK - WINDOWS MVP 2010-20
    Greg Carmack - Windows MVP 2010-20 Win User

    ntoskrnl.exe high cpu usage when using apps

    CPU high (process: -ACPI.sys!<symbol disabled>) in Windows 10

    Hi Devang. I'm Greg, an installation specialist, 10 year Windows MVP, and Volunteer Moderator here to help you.

    See fixes for high Ntoskrnl.exe CPU usage:

    https://fossbytes.com/how-to-fix-high-ram-and-c...

    https://www.thewindowsclub.com/ntoskrnl-exe-hig...

    https://appuals.com/high-cpu-or-disk-usage-by-n... (avoid ad links)

    https://blog.pcrisk.com/windows/12536-ntoskrnle...

    Other fixes for high CPU usage:

    https://www.kapilarya.com/fix-windows-10-high-c...

    https://www.makeuseof.com/tag/fix-high-cpu-usag...

    I hope this helps. Feel free to ask back any questions and keep me posted. If you will wait to choose if I solved your problem, I will keep working with you until it's resolved.

    ________________________________________________________

    Standard Disclaimer: There are links to non-Microsoft websites. The pages appear to be providing accurate, safe information. Watch out for ads on the sites that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly
    research any product advertised on the sites before you decide to download and install it.
     
    Greg Carmack - Windows MVP 2010-20, Jul 1, 2022
    #4
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ntoskrnl.exe high cpu usage when using apps

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