Windows 8 and 8.1 Forums

Windows task manager showing high system usage

  1. #11

    Posts : 6
    Windows 8.1 (Update 1)

    Quote Originally Posted by TairikuOkami View Post
    Not sure, if it is related, but my PC jumped to constant 30% CPU usage when I have updated to the new AMD SATA driver. I use Process Hacker, but the process is called "Interrupts" and it is under "System", so it probably affects System as well. Try to uninstall and also remove the SATA driver. The previous version or Windows default SATA driver should take over after restart. Or you can try System Restore.
    My laptop uses an intel processor and I'm already using the stock windows driver it seems :/ I haven't updated any of my drivers in recent times, but it seems this problem could be driver related. As I said I booted my system into safe mode and it still showed the same usage, so I don't have a clue which driver it could be, if it is a driver.

      My System SpecsSystem Spec

  2. #12

    Posts : 103
    Microsoft Windows 8.1 64 Bit
    Has 5 ways to fix in windows 7.

    More searching may find other solutions.

    Let us know if any work. The disabling of the root USB is harmless to try. In the past, problems with a flash card reader was fixed by deleting the driver, which was reinstalled by plugging the reader back in.
      My System SpecsSystem Spec

  3. #13

    Posts : 103
    Microsoft Windows 8.1 64 Bit

    Windows Performance Analyzer

    How to get the cause of high CPU usage by DPC / Interrupt - Windows Tips 'n' Tweaks - MSFN Forum

    At first glance, the previous link has the best way to find the source of an error.

    After studying the previous link and WPA How-to Topics , the following

    Windows Performance Analyzer screen shot was made.
    Click image for larger version
    Unfortunately, the dynamic link library (DLL) could not be made to come up. As the DLL name would pinpoint the driver. Perhaps the symbol table is not loaded correctly.
    Last edited by JHough; 12 Jun 2014 at 16:44. Reason: Add new information.
      My System SpecsSystem Spec

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Windows task manager showing high system usage
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