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Thread: Help solving my GPS / Win7 / D945GCLF2 Problem - RESOLVED

  1. #21
    What can I say? I like serial. Curiosity's Avatar
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    Quote Originally Posted by wmpwi View Post
    "unrecognized device"
    Ok, now we have something informative. It doesn't matter what driver you install, Windows will not be able to match any driver with that device so it's installing a sort of place holder driver for it. Sorry to say this but the GPS is not working.

  2. #22
    Low Bitrate wmpwi's Avatar
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    While this hasn't helped yet, I found the following to be very interesting and may be useful in the future. (Seems to work for Win 7 too)

    (From here: http://www.vistaforums.com/Forum/FindPost13820.aspx)

    In Vista, every device driver you install is copied into the "driver store". This "store" is not somewhere you go to purchase drivers; instead, it's an area on the drive where Vista squirrels away device drivers for safe keeping. This is done so that, if you need to reinstall that device later, Vista already has the driver available.

    Problem is, you may want to remove this driver so Vista doesn't use it anymore -- especially in the situation where the driver doesn't work, and after you remove the entry from Device Manager, upon reboot, before you can install a different driver, Vista automatically reinstalls the driver from the "store".

    What you will need to do is locate the actual device "package" you need to remove and delete it from the driver store.

    To locate the device "package", open an elevated command prompt window (enter"cmd" in the start area, then press ctrl-shift-enter) and enter "pnputil.exe -e". This will provide a list of all the third-party drivers installed.

    Search the list for the driver version you want removed. It will be oem##.inf. (where ## is the actual two-digit number of the inf file)

    To remove that driver, using the same elevated command window, enter "pnputil.exe -d oem##.inf" to be safe, find all the driver files and remove them all.

    Then, you need to clean out the INF directory:
    1) open %windir%\inf\setupapi.dev.log in Wordpad
    2) search for ", this will be found on a DevDesc line
    3) look a few lines up for the "inf:" line. It will say Openeded INF: and at the end of the line, you will see the actual name of the inf file.
    4) remove that file from the INF directory.
    5) look for ServiceBinary=c:\Windows\system32\DRIVERS containing a reference to the same inf file. That's the driver file to delete.
    6) continue this process, search for all the inf sequences and DRIVERS references, removing the files from the INF and DRIVERS directories as needed.

    Also, be sure to remove the device from Device Manager before you reboot.
    A computer lets you make more mistakes faster than any invention in human history
    - with the possible exceptions of handguns and tequila.

  3. #23
    Mod - iPad Forums RipplingHurst's Avatar
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    Quote Originally Posted by Curiosity View Post
    Ok, now we have something informative. It doesn't matter what driver you install, Windows will not be able to match any driver with that device so it's installing a sort of place holder driver for it. Sorry to say this but the GPS is not working.

    That's what is looks like to me too.

    You can try sometimes another (never used before by this device) usb port. Sometimes it works. Or plug the GPS in another computer with the drivers ready. If necessary, bring a notebook to the car. If the same unrecognize device msg appears, then something is wrong with the hardware.

  4. #24
    Low Bitrate wmpwi's Avatar
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    Thumbs up

    Just to have some closure on this thread, the problem has been solved. Not the way I would have preferred, but in retrospect, I'm very happy how it turned out. A couple of days ago, Globstat placed an updated driver on it's website for Win 7, but it didn't work with my BU-353 so I ordered the BR-355 serial version and the requite cable and it works fine. Very fast acquisition and much faster than the BU-353 when it was working under XP. Anyway, thanks to everyone that offered assistance. I felt like you helped me eliminate everything I could have done differently and got me were I needed to be.
    A computer lets you make more mistakes faster than any invention in human history
    - with the possible exceptions of handguns and tequila.

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