Windows 10: missing multimedia class scheduler

Discus and support missing multimedia class scheduler in Windows 10 Drivers and Hardware to solve the problem; its gone how do i reinstall https://answers.microsoft.com/en-us/windows/forum/all/missing-multimedia-class-scheduler/7c96ad11-05a1-4fbd-bd26-ed62ca45a1e5 Discussion in 'Windows 10 Drivers and Hardware' started by lopp, Aug 25, 2019.

  1. lopp Win User

    missing multimedia class scheduler


    its gone how do i reinstall

    :)
     

  2. Windows 10 missing Multimedia Class Scheduler

    My PC crashed and I had to reinstall my Windows 10 Home OS. After this fresh install, audio would no longer come out on my TV when I hook my laptop up via HDMI.

    I looked around a few forums and found one here on the official site that suggested this step for the same problem:

    =====
    c. Scroll down through the list and find the following services.
    Plug and Play

    Multimedia Class Scheduler

    Windows Audio Endpoint Builder

    =====



    The problem is, Multimedia Class Scheduler is not among the list of services.

    The .sys file exists in my System32/drivers folder, at least.

    Would downloading the mmcss.dll file solve my problem? All my audio and video drivers are updated, I'd been updating them repeatedly in the hopes that it would fix my problem.

    LAPTOP: Asus X455LA

    OS: Windows 10 Home
     
    RegineCarandang, Aug 25, 2019
    #2
  3. Multimedia class scheduler missing from service

    Turned on my computer the other day and the audio does not work. I get an error that the service in not running. When I try to start the service, I get an error:

    Windows count not start Windows Audio service on Local Computer. Error 0x80070005: Access is denied.

    I opened the properties of the service and noticed one of the dependencies appears to be missing. Multimedia Class Scheduler is not listed and it is not included in my list of services. I checked my registry and mmcss entry is there is there in the following
    location:

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\MMCSS

    I completed the following scans, per linked instructions, with no errors generated:

    SFC /SCANNOW

    I have lost 'The multimedia class scheduler' from my computer, causing my audio on the computer not to work.

    DISM.exe /Online /Cleanup-image /Scanhealth

    DISM.exe /Online /Cleanup-image /Restorehealth

    Missing mmcss service after rebooting pc

    I tried to reinstall the service per these instructions:

    Multimedia Class Scheduler - Windows 10 Service - batcmd.com

    I have tried to uninstall audio drivers and reinstall without any luck.

    Finally, I tried to restore windows. However, for some reason the USB drives don't work at the "Select Keyboard" screen and I can't do a system restore.
     
    Randy78910, Aug 25, 2019
    #3
  4. robertd50 Win User

    missing multimedia class scheduler

    system restore

    Tried all you suggested. Did not solve problem.

    Multimedia Class Scheduler wasn't listed in service. I doubt if it's critical since it's not listed on my end.

    Thanks for input.
     
    robertd50, Aug 25, 2019
    #4
Thema:

missing multimedia class scheduler

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