Mac only: To find out if a plug-in in the HAL folder prevents the keyboard from being recognized, follow the instructions in this article.If you have to use a USB hub, make sure to choose a powered hub. Connect the cable directly to the computer. If still available, make sure to use the original USB cable that came with the keyboard.If the inputs are not checked, click the square next to the respective entry to activate the input: Windows: Make sure the inputs are activated.Mac: Make sure the inputs are activated.Open the KOMPLETE KONTROL Preferences and choose Input in the MIDI tab.Activate the MIDI input ports of the keyboard:.If not, right click the respective entry and choose Start from the context menu:.Search the list and check if the Status of the services NIHostIntegrationAgent and NIHardwareService is Running:.Note: If the Services tab is not directly available, expand the view by clicking 'More details' in the lower left corner of the window. Open the Windows Task Manager and choose the Services tab.Note: You can choose both entries by holding the SHIFT key on your computer keyboard and clicking both entries. Select the missing service and click Add:.Mac HD > Library > Application Support > Native Instruments > Hardware If the files NIHardwareAgent and/or NIHostIntegrationAgent are missing in the list, add them by clicking the ' +' icon and navigating to the following location:.Open your Mac's System Preferences and choose Users & Groups > Login Items.Make sure that the services NIHardwareAgent and NIHostIntegrationAgent are running on your computer.Windows only: The keyboard driver is not correctly installed.įollow these steps in order to solve the issue:.Mac only: A plug-in in the HAL folder prevents the keyboard from being recognized.The keyboard is not correctly connected.The MIDI input ports of the keyboard are turned off.The services NIHardwareAgent and/or NIHostIntegrationAgent are not running.This issue can be caused by the following: You cannot hear any sound when playing the keys of your KOMPLETE KONTROL S-Series keyboard and it is not available as a MIDI device in the KOMPLETE KONTROL Preferences.

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