What is a function driver?

Discussion in 'Computer Hardware' started by Martin Magnusson, May 2, 2005.

  1. I'm having some USB problems. I can't use my USB memory/MP3 player
    because Windows says that the USB device drivers aren't correctly
    installed, and when I try to reinstall them (from C:\Win\inf\usb.inf) I
    get an error message saying that "The installation failed because a
    function driver was not specified for this device instance".

    What does that mean?

    I'm running Windows 2000 SP4.

    I read the a discussion about this at
    http://www.computing.net/drivers/wwwboard/forum/4123.html, and tried the
    fix posted at
    http://www.isp.net.au/~merrick/Function_Driver/Function_Driver.htm, but
    I still get the same error message about the function driver.

    The MP3 player works fine on other computers. Gah...
     
    Martin Magnusson, May 2, 2005
    #1
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  2. Martin Magnusson

    Pen Guest

    A function driver is the main driver for a device.
    I would suggest that you remove ALL USB devices in
    Device Manager, and then reboot and let Windows
    reinstall everything.

    "Martin Magnusson" <> wrote in message
    news:1115036910.7bc82a42d78b04e2f1ea5a80eb98ede9@teranews...
    > I'm having some USB problems. I can't use my USB memory/MP3 player
    > because Windows says that the USB device drivers aren't correctly
    > installed, and when I try to reinstall them (from C:\Win\inf\usb.inf)
    > I
    > get an error message saying that "The installation failed because a
    > function driver was not specified for this device instance".
    >
    > What does that mean?
    >
    > I'm running Windows 2000 SP4.
    >
    > I read the a discussion about this at
    > http://www.computing.net/drivers/wwwboard/forum/4123.html, and tried
    > the
    > fix posted at
    > http://www.isp.net.au/~merrick/Function_Driver/Function_Driver.htm,
    > but
    > I still get the same error message about the function driver.
    >
    > The MP3 player works fine on other computers. Gah...
     
    Pen, May 2, 2005
    #2
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