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Ok so i am trying to connect a yamaha keyboard w/ my mac book pro laptop.... but my computer doesnt recognize the MIDI usb device... i have tried pretty much everything i can think of... i used a midi installer that was virtual disk like from m audio (which is where the device came from)... and then i put the disk that came physically with the device into my computer.. it is a midisport series disk...when it opens i keep trying to install a MIDI 1x1 but when i try to do that the computer says that that file cant b opened... I have a mac os 9 folder on my computer and i found a midisport midi installation thing... but when i try to open it my computer says that classic environment is no longer supported...what do i do??? the whole time my computer has no reaction when i plug the usb in... PLS PLS PLS HELP!!!