Windows 10: After System restore high cpu usage

Discus and support After System restore high cpu usage in Windows 10 BSOD Crashes and Debugging to solve the problem; So I recently used the "Reset this pc" option to give my pc a clean start, and to wipe the hard drives, however now whenever I try to use Microsoft... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by Aekola, Jun 5, 2019.

  1. AEKOLA
    Aekola Win User

    After System restore high cpu usage


    So I recently used the "Reset this pc" option to give my pc a clean start, and to wipe the hard drives, however now whenever I try to use Microsoft edge or play games, the cpu usage is constantly at 99-100%. However I didn't have this issue prior to the reset.

    :)
     
    Aekola, Jun 5, 2019
    #1
  2. RB89
    Rb89 Win User

    High CPU usage with 'system interupts'

    High CPU usage with 'system interrupts'. However, the usage decreases when the task manager is opened. On opening the task manager, the system interrupt is visible for a few seconds and then the CPU usage goes down.
     
    Rb89, Jun 5, 2019
    #2
  3. DEADALOS
    deadalos Win User
    "System" process with high CPU usage

    I have exactly the same issue (high CPU usage) on a brand new HP ProBook 440 G5 (i7-8550U, pre-installed Win 10 Pro).

    I am pretty sure that there is a problem with audio drivers when the computer wakes up from a sleep mode. I first observed that process flow.exe (audio bloatware provided by HP/Conexant) was consuming (after waking up) ~10–15 % CPU. Here's what I did:

    • I have updated Windows to 1709, build 16229.251 and installed all updates --> Nothing has changed.
    • I have updated BIOS to the latest version provided by HP. --> Nothing has changed.
    • I have run Windows troubleshooting and HP Support Assistant checks --> No problems found, nothing has changed
    • I have manually updated Conexant ISST Audio Drivers (via Device Manager -> Update drivers). Windows installed a newer version. -->
      CPU usage by flow.exe has disappeared, but process called System in thread ACPI.sys+0x21cb0 started consuming ~20 % CPU.
    • I have uninstalled all Conexant software&drivers and manually installed generic High Definition Audio Device drivers provided by Microsoft (Driver Date: 21.02.2018). --> ACPI.sys+0x21cb0 still consumes ~20 % CPU.

    Same issues are discussed in these threads on HP site:


    The result is I cannot use sleep mode (as advised by this post:
    https://h30434.www3.hp.com/t5/Business-Notebooks/ProBook-450-with-high-CPU-usage/m-p/6611446/highlight/true#M149605    ).
     
    deadalos, Jun 5, 2019
    #3
  4. DENETTEBOYD-KING
    DenetteBoyd-King Win User

    After System restore high cpu usage

    DenetteBoyd-King, Jun 5, 2019
    #4
Thema:

After System restore high cpu usage

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