Prolific USB-To-Serial Driver  

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  1. Posts : 2,913
    Windows 7 Ultimate x64 SP1
       #11

    Which one did you install? Did you install the PL-2303 Vista Driver Installer? I'm wondering if you have the same hardware that I have - my device shows up as Prolific USB-to-Serial Comm Port.
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  2. Posts : 2,913
    Windows 7 Ultimate x64 SP1
       #12

    I guess you could uninstall again, reboot, and install in XP SP3 compatibility mode. It's worth a shot. I did so much installing/uninstalling that I honestly don't remember exactly how I got it working. But I do know that it was the driver I gave you and not one I downloaded.
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  3. Posts : 15
    Windows 7 Ultimate 64-Bit
    Thread Starter
       #13

    What is your hardware id?
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  4. Posts : 2,913
    Windows 7 Ultimate x64 SP1
       #14

    The same as yours.
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  5. Posts : 15
    Windows 7 Ultimate 64-Bit
    Thread Starter
       #15

    Here is what I have...

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  6. Posts : 2,913
    Windows 7 Ultimate x64 SP1
       #16

    Looks the same to me. Maybe your virtual serial ports are preventing the USB-DB9 driver from functioning. But first - uninstall and try it in XP SP3 compatibility mode. If that doesn't work, can you uninstall the virtual serial ports to see if that helps?

    Also - update your system specs (lower left corner of your post).

    https://www.sevenforums.com/general-d...tem-specs.html
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  7. Posts : 15
    Windows 7 Ultimate 64-Bit
    Thread Starter
       #17

    Ok I tried to do the XP Sp3 compatibility thing, but the driver itself stopped me from doing that. It said it was only vista compatible. One driver that I tried to install with this device gave me the Prolific usb-to-serial name, but I don't know which driver that was. Seems like this isn't going to work :-(
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  8. Posts : 2,913
    Windows 7 Ultimate x64 SP1
       #18

    Do you want to uninstall your virtual serial ports and then try installing in Vista mode?
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  9. Posts : 15
    Windows 7 Ultimate 64-Bit
    Thread Starter
       #19

    Yea, I tried that as well.. I removed both the RIM virtual serial ports for my blackberry and still nothing. I don't want to give up on this because I need it working before Tuesday.
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  10. Posts : 2,913
    Windows 7 Ultimate x64 SP1
       #20

    If you uninstall the driver, reboot, and then plug in the adapter, does it install or does it report missing drivers?
      My Computer


 
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