Avid Technology Inc. subsidiary M-Audio has introduced its new Keystation 88es, an 88-key MIDI controller designed for computer users looking for a full-range keyboard. It features a built-in USB MIDI ...

So my girlfriend just got a new M-Audio Keystation 88es, and she's having problems getting it to work. The drivers for it installed just fine, but none of the midi software recognize that it's there.