Restore the USB connection after a system update

It may happen that your instrument is no longer recognized by your PC or Mac after a system update or due to other reasons. Please follow these steps to restore the connection.
1. Disconnect the intrument form the Mac. 2. Open the utility **Audio MIDI Setup** included in your Mac. ![](bigsur_icon.png) 3. Click Window > **Show MIDI Studio**. ![](bigsur_audio.jpg) 4. Select the instrument and remove it. ![](bigsur_midi.png) 5. Connect again the instrument to the Mac.
1. Connect the instrument to your computer and power it on. 2. Open **Windows Settings**, click **Devices** section, the click **Bluetooth & other devices**. 3. Localize your instrument in the list, select it and click **Remove device**. ![](windows_settings.png) 4. Disconnect and reconnect the instrument to the computer; wait until Windows recognizes and installs the instrument.