Windows 8 and 8.1 Forums


SM Bus controller driver Missing

  1. #1


    Posts : 29
    windows 8.1

    SM Bus controller driver Missing


    Greetings to all,

    I have yet again some driver missing. This time it is the 'SM Bus Controller' driver missing.
    I have tried to use the sfc /scannow but no dice. Its telling me that all is good.
    I have tried to disable and uninstall completely then reboot my rig but still no dice.
    I strolled the internet for a solution but there is nothing definite.
    I did look at ASUS web site for drivers for my rig (G750JH) but there is nothing.
    The symptom is no USB 3 enable: ie, I have a USB 3 thumb drive that is not recognized. That same key works well under OS X etc...
    I think the beginning of it was just after some update.

    Any help is of course much appreciated as I am stumped like a tree. Why is Windows missing drivers ? Most of all, how can I fix the issue ?

    Rig: ASUS G750JH
    OS: Win 8.1 64 bit
    Attached Thumbnails Attached Thumbnails SM Bus controller.PNG  

      My System SpecsSystem Spec

  2. #2


    Florida, USA
    Posts : 141
    Windows 8.1 Pro x64 with Media Center, Windows 10 Pro x64, Windows 7 x64 Ultimate SP1


    Go to the ASUS support site and download and install the chipset drivers for your PC. It is under the Windows 8.0 drivers.

    Notebooks & Ultrabooks - ASUS ROG G750JH
      My System SpecsSystem Spec

  3. #3


    Posts : 29
    windows 8.1


    pbcopter: Thank you for your help and actually fixing my issue. I did have a look at Asus web site for drivers before posting but since I have windows 8.1, it never entered my mind to have a look at drivers under Windows 8 I think this is the most useless post I have ever made: I am still as blond as they come Again, thank you Sir.
      My System SpecsSystem Spec

  4. #4


    Florida, USA
    Posts : 141
    Windows 8.1 Pro x64 with Media Center, Windows 10 Pro x64, Windows 7 x64 Ultimate SP1


    Not useless. It's not obvious to look at the Windows 8.0 drivers when you have Windows 8.1. Don't be too hard on yourself.
    I'm glad it worked out.
      My System SpecsSystem Spec

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