Weird System FPS/Audio Lag at Random Times

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  1. Chris2005's Avatar
    Posts : 172
    Windows 10 Pro x64
       #1

    Weird System FPS/Audio Lag at Random Times


    So, about middle of last month I started having this issue, and I don't know what is causing it... at random intervals, everything will "slow down" for 1-2 seconds like someone reduced the playback speed on a video, aside from that, I have no other problems, no other system instability, nothing. I can be playing games and it happens and it's no worse than if I was just watching something online when it occurs. So I'm not sure where to even begin.
      My Computer

  2. AndreTen's Avatar
    Posts : 25,180
    Windows 10 (Pro and Insider Pro)
       #2

    A week and no answers...

    try with Latency monitor Maybe something will come up
      My Computers

  3. Chris2005's Avatar
    Posts : 172
    Windows 10 Pro x64
    Thread Starter
       #3

    AndreTen said:
    A week and no answers...
    try with Latency monitor Maybe something will come up
    How does it work?

    Update:
    Well, the program won't even launch for me.
      My Computer

  4. AndreTen's Avatar
    Posts : 25,180
    Windows 10 (Pro and Insider Pro)
       #4

    It analyzes the system and shows if any program, service... cause system to hold.

    try it, it's free, and safe
      My Computers

  5. Chris2005's Avatar
    Posts : 172
    Windows 10 Pro x64
    Thread Starter
       #5

    Just got it running. I don't even know what to take note of. lol
      My Computer

  6. AndreTen's Avatar
    Posts : 25,180
    Windows 10 (Pro and Insider Pro)
       #6

    Keep it running until your problem occurs. Then check which driver, service could cause it (longest response time)
      My Computers


  7. Chris2005's Avatar
    Posts : 172
    Windows 10 Pro x64
    Thread Starter
       #7

    Dxgkrnl.sys seems currently has highest reported ISR routine execution time right now, followed by CLASSPNP.SYS for the highest reported DPC routine execution time.
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  8. AndreTen's Avatar
    Posts : 25,180
    Windows 10 (Pro and Insider Pro)
       #8

    And latencies are in green, or red?


    Culprits are usually:
    -anti-vir software (Bitdefender is known for that),
    -graphic drivers (Nvidia - reinstall newest),
    -system (run sfc /scannow)
      My Computers

  9. Chris2005's Avatar
    Posts : 172
    Windows 10 Pro x64
    Thread Starter
       #9

    AndreTen said:
    And latencies are in green, or red?


    Culprits are usually:
    -anti-vir software (Bitdefender is known for that),
    -graphic drivers (Nvidia - reinstall newest),
    -system (run sfc /scannow)
    The ISR which has dxgkrnl.sys was approaching red it was in the maroon-orange color, but the DPC which was CLASSPNP.SYS was still in dark green.

    I don't use any third part AV software, I do need to install the newest drivers, but despite doing that over the past month, the issue has remained. Only thing I haven't done is the system scan.
      My Computer

  10. AndreTen's Avatar
    Posts : 25,180
    Windows 10 (Pro and Insider Pro)
       #10

    Chris2005 said:
    The ISR which has dxgkrnl.sys was approaching red it was in the maroon-orange color, but the DPC which was CLASSPNP.SYS was still in dark green.
    Probably Nvidia drivers. try reinstalling it with DDU. (Display driver uninstaller).

    i see you have older system there. Maybe check thermal solution on your CPU
      My Computers


 
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