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Macbook Pro won't recognize Alesis Q49 USB MIDI keyboard

I use the Alesis Q49 with Logic Pro X on a mid 2012 10.12.4 Macbook pro. I have been able to work the keyboard just fine but it recently has stopped being recognized by my Mac. I didn't update the computer between uses, rather, all I did was unplug it for a moment and when I returned and tried plugging it back in to use in the same session, an interval of about 5-10 minutes, it wouldn't connect. When I plug in the USB the lights actually turn on from the octave and midi select buttons when I press them. I don't know why my mac won't pick it up despite it being able to power the keyboard. It definitely isn't the usb ports or the cables I'm using because I can connect a casio keyboard and steinberg audio interface just fine with the same ports and cables. Please help!
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  • Hi Jacob,

    Thanks for posting. Sorry to hear you're having issues. 

    When did you start experiencing this problem with your keyboard? Had you upgraded from a previous OS or anything like that prior to this occurring? 

    Have you tried a new configuration in your MIDI Studio setup? A new configuration for the MIDI Setup may help if:
    • You have just updated your OS and your MIDI device is no longer recognized
    • Software cannot find your MIDI device
    • MIDI device is recognized by the software but has limited or no response
    • MIDI device was connected or disconnected repeatedly
    • MIDI device configuration has changed, i.e. USB keyboard is no longer a part of the setup and a new keyboard has been connected
     

    Before getting started, disconnect all USB or Firewire MIDI devices or keyboards. This will eliminate any potential conflicts upon creating a new configuration.

    1. Open the Audio/MIDI Setup by going to Applications > Utilities > Audio/MIDI Setup.

    2. If the MIDI Studio window does not appear automatically, go to the menu bar at the top of the screen and select Window > Show MIDI Window.

    3. The MIDI Studio window will pop and display all of your current MIDI devices. 

      MIDIStudio Config1

      You may see icons for all of your MIDI devices that have been "greyed out." This just means that the devices are not currently connected. If a device is not connected to the computer but still appears connected in your MIDI Studio, that may be a part of the problem and a sign that the MIDI Studio needs to be reset.

      Please Note: The IAC Driver and Network will always appear in the MIDI Studio.

    4. To create a new configuration, click on the Configuration drop-down menu and select New Configuration...

      MIDIStudio Config2

    5. Name the new configuration in the window that appears.

      MIDIstudio config3

    6. Click OK and the MIDI Studio will rescan your devices. If nothing is connected, only the IAC Driver and Network should appear again.

    7. Starting with the device in question, re-connect each device one by one. Wait for the device to show up in the MIDI Studio before connecting the next one. Hint: you can also use the Rescan MIDI button at the top if a device is still not showing up while connected.

      MIDIStudio config4

    8. And that's it! Test your keyboard or MIDI device in your DAW again or refer back to this USB Troubleshooting Guide for more troubleshooting tips.

    I hope this helps! Let me know if you have any additional questions.
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    • I followed the steps provided but the Alesis still isn't recognized at all. The Audio Midi Setup window isn't registering it being connected in any way, but the Casio shows up just fine. I honestly had this problem when I first bought the keyboard but I had just started my interest in DAWs and Midi controllers so I brushed it off as lack of knowledge of knowing how to properly connect it. That was back in 2013, so my mac has been through many updates. That being said, it still isn't being recognized either way despite showing power on the keyboard itself. Is there anything else you'd suggest?
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    • Thanks for posting back. 

      If you're still having issues after this, please get in touch with your nearest Support Office for further assistance by logging on to www.alesis.com/support.
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