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MIDI device drivers appear in Windows Device Manager but the device isn't recognized in any software
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Q: My MIDI device drivers are listed in the Device Manager and are said to be working, but the keyboard is not recognized in any software.

A:  Windows XP has a limitation for how many MIDI device drivers you can have installed at any one time.  However, the operating system will not give you any indication that you are using the maximum number of drivers—the drivers will install as if there is not a problem.  To fix this problem download the Windows MIDI utility to clean out the Windows Operating system of previously installed MIDI devices for PCI and USB interfaces.  There is a text file included that includes a few simple steps on how to use this file.