Windows 10: high cpu usage

  1.    12 Jan 2016 #1

    high cpu usage


    Since upgrading from windows 7 to 10 my pc has been slowed down to a crawl by periods of very high cpu usage. A major culprit, but not the only one, is local security authority process.
    This makes the laptop overheat , reduces battery life and slows work to a crawl.
    I have run sfcscannow and dism as administrator and no fault has been found..

    Help please
    David H
      My ComputerSystem Spec

  2.    12 Jan 2016 #2

    Best to do a clean install in-place upgrade Windows 10 - Clean Install
    When prompted, choose to keep all settings and apps.
    Have you made sure all your drivers are up to date?
      My ComputerSystem Spec


  3. Posts : 5
    Windows xp windows 7 windows 10
       16 Jan 2016 #3

    i had this problem but my system performance had become very bad.. i just typed verifier in run and than deleted existing settings and restarted...That solved my windows slow down and high cpu usage problem.
      My ComputerSystem Spec

  4.    24 Jan 2016 #4

    Nothing to indicate driver problem--no update required according to slim drivers and no exclamation marks against any driver in device manager.
    Verifier sounds a little worrying for a intermediate pc user - any less dangerous routine..
    Problem lasts for 5 to 10 minutes and then goes away which suggests it is not a driver problem.
    Have run Kaspersky antivirus scan, malwarebytes scan, Spybot, and ADW(?) scan with no fault foun


    cecil9 said: View Post
    Since upgrading from windows 7 to 10 my pc has been slowed down to a crawl by periods of very high cpu usage. A major culprit, but not the only one, is local security authority process.
    This makes the laptop overheat , reduces battery life and slows work to a crawl.
    I have run sfcscannow and dism as administrator and no fault has been found..
    Any thoughts please.

    Help please
    David H
      My ComputerSystem Spec

  5.    24 Jan 2016 #5

    AnEdge said: View Post
    Best to do a clean install in-place upgrade Windows 10 - Clean Install
    When prompted, choose to keep all settings and apps.
    Have you made sure all your drivers are up to date?

    Choosing to keep all settings and apps isn't a clean install and keeping the settings may not help in this situation.


    @cecil9 could you post a screenshot showing full taskmanager when the load is high.
      My ComputersSystem Spec


 

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