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  1. #1
    Uranium Lounger
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    Disabling a Kernel Driver - How?

    OK, here's the scoop. I had an ATI video card and swapped it out for something a little nicer....meaning something that didn't blow up my PC. Long story short, I have two kernel mode drivers that are trying to load and failing and I want them GONE. Details:

    ati2mtaa
    d:winntsystem32driversati2mtaa.sys
    ATI WDM Rage Theater Video
    d:winntsystem32driversatinrvxx.sys

    The ATI WDM Specialized MVD Codec service failed to start due to the following error:
    The system cannot find the file specified.

    Long ago I manually deleted the ATI files. But they're still trying to load....from where? At some point I will re-install Windows, but I like to go for at least three months between installs (no I'm not kidding here).

    Any ideas anyone?
    -Mark

  2. #2
    Plutonium Lounger Leif's Avatar
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    Re: Disabling a Kernel Driver - How?

    Bit of a long shot, but I came across what appears to be some instructions for uninstalling from ME <A target="_blank" HREF=http://www.rage3d.com/forum/ubbhtml/Archives/Archive-000001/HTML/20010104-13-004006.html>here</A> - if nothing else, it may give you some ideas.

  3. #3
    2 Star Lounger
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    Re: Disabling a Kernel Driver - How?

    Though I've not had this exact problem, I've seen similar things happen to my machines. I've always used the same solution: search the registry for the offending file (all instances), export them, then remove them from the registry.

    If there's nothing telling it to load, it won't!

    As always use appropriate caution when editing the registry blah blah blah.

  4. #4
    Uranium Lounger
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    Re: Disabling a Kernel Driver - How?

    Sounds like a plan to me. More of an annoyance than anything else, I suppose - but farting around with kernel mode devices is dicey. Just my kind of thing! <img src=/S/cool.gif border=0 alt=cool width=15 height=15>
    -Mark

  5. #5
    Silver Lounger
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    Re: Disabling a Kernel Driver - How?

    Did you try to uninstall unwanted driver? Boot to Safe Mode (pressing F8 during boot process) and from Control Panel | Add New Hardware delete the driver you don't need. By the way, Windows keeps copies of critical files in System32dllcache folder.
    It is always recommended when you want to remove a piece of hardware, uninstall the driver first, and only then shut down the system and physically remove the device.

  6. #6
    Uranium Lounger
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    Re: Disabling a Kernel Driver - How?

    Silly me, I forgot about my own discovery in the Add/Remove hardware wizard....where you tell Windows to display hidden devices.

    I had removed the registry entries referring to the drivers prior to this, and all the associated files (it was an ATI video card that didn't like my motherboard). Even with the registry entries and the physical files gone, there was still a hidden entry. Removed it, rebooted, and blammo! No more event logs generated with an inconsequential error message.

    Apparently ATI's uninstall routine isn't real expedient about cleaning up after itself. No problem now!!
    -Mark

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