Windows 10: Audio cutting out and mouse lag while hard disk on 30%

  1.    15 Oct 2015 #1

    Audio cutting out and mouse lag while hard disk on 30%

    I saw threads about people complaining that their audio and mouse is lagging, but in my case, it happens when I download something with bittorrent or when I'm installing something.
    on Win 8.1 and Win 7 I have no problems playing games while something is downloading in the background, now on Win 10 64bit I can't even normally play music either on youtube or on windows media player.

    Hard disk usage is hardly 40% and starts cutting, and cpu is not more than 60%.. But when I download something from Bittorrent or when i'm installing, a process named "System Interrupted" pops up in Task Manager and consumes CPU(10%-20%).

    My audio is realtek, and it is updated (22-09-2015) and so is my graphic card and everything else.
    I saw that process "System Interrupted" is usually visible when there is a driver problem.

    Click image for larger version. 

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    Here's my specifications.
      My ComputerSystem Spec

  2.    15 Oct 2015 #2

    Hi, can you please post screenshots of your taskmanager, starting with Processes view, organised
    1. highest CPU use first
    2. Highest disk use first
    and Details view, highest CPU use first?

    How did you install Win 10... upgrade or clean install?
    What AV do you use?
      My ComputerSystem Spec

  3.    15 Oct 2015 #3

    Should have said 'Welcome to Ten Forums' :) .. and the screenshots should be when your PC is supposed to be idle.
      My ComputerSystem Spec

  4.    15 Oct 2015 #4

    Click image for larger version. 

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    This is the task manager when the computer is idle.
    Everything is smooth, no problems at all.

    Thanks for the welcome :)

    down here it's when I turn on bittorrent, and it's checking files, and everything starts to go slow. It took me time to screenshot it.
    Attached Thumbnails Attached Thumbnails Capture3.PNG   Capture4.PNG  
      My ComputerSystem Spec

  5.    15 Oct 2015 #5

    Click image for larger version. 

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    And this is the CPU with bittorrent on, "System Interrupts" process is here.

    This isn't only bittorrent, this happens with anything that is using HDD.
      My ComputerSystem Spec

  6.    15 Oct 2015 #6

    Hi, thanks, that makes it clear your idle state looks good, and gives anyone reading this a clearer idea.

    Background reading:
    What is the “System Interrupts” process in Windows? - Super User

    You may be looking at hardware incompatibility. See:
    "Solution Found, A pci card for a parallel port was the culprit, once removed the Task manager idled at 0%.
    The port was working fine but must have aggravated windows 7 somehow."

    OR (and I'm guessing this is more likely) a driver issue - the sort of driver installed by 3rd party programs that are not actually hardware-related.
    Getting System Interrupts Solved - Windows 7 Help Forums

    There are some good hints as to what to try here:
    5 Tricks To Fix System Interrupts Causing High CPU In Windows 7 (DPC)

    (Ok, it's Win 7- there may be sthg later somewhere- so the detail may not quite match. But if you know your way around, you should be able to make use of it).
      My ComputerSystem Spec

  7.    21 Oct 2015 #7

    Sorry for the delay..
    I was disabling the drivers, but I couldn't determine which driver is the one..
    And I downloaded "Process Explorer" and I'm not sure what to do with it exactly Click image for larger version. 

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    the upper picture is between enabling and disabling the download on bittorrent and the down one is process explorer
      My ComputerSystem Spec


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