I have a USB 634, I am running XP pro on a Dell 8100. I have a USB to serial connection but the end is male, so I have a female to female serial cable attached to the LCD module to allow it to connect to USB. The OS recognizes that the module but does not allow me to select which drivers are installed... It shows up in device manger as HID-compliant and USB Human Interface Device. I've read that it is supposed to create a virtual com port but this is not happening. The test is indicating that it is working but I get no display at all. Thanks,
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